Chinangwa chebasa iri ndechekugadzira otomatiki laser process process ine yakakwirira dimensional kurongeka uye kufanotemerwa mitengo yemaitiro.Iri basa rinosanganisira ongororo yehukuru uye mutengo wekufanotaura modhi yekugadzirwa kwelaser yemukati Nd:YVO4 microchannels muPMMA uye yemukati laser processing yepolycarbonate yekugadzira michina yemicrofluidic.Kuzadzisa zvinangwa zvepurojekiti izvi, ANN neDoE vakaenzanisa saizi uye mutengo weCO2 neNd:YVO4 laser masisitimu.Kuitwa kwakazara kwekutonga kwemhinduro ine submicron kurongeka kwekumisikidzwa kwemutsara nemhinduro kubva kune encoder kunoitwa.Kunyanya, otomatiki yelaser radiation uye sampuli yekumisikidza inodzorwa neFPGA.Ruzivo rwakadzama rweNd: YVO4 system yekushandisa maitiro uye software yakabvumira iyo control unit kuti itsiviwa neCompact-Rio Programmable Automation Controller (PAC), iyo yakaitwa muHigh Resolution Feedback 3D Positioning nhanho yeLabVIEW Code Control Submicron Encoders. .Yakazara otomatiki yeiyi maitiro muLabVIEW kodhi iri mukuvandudzwa.Basa razvino uye remangwana rinosanganisira kuyerwa kwedimensional kurongeka, kurongeka uye kuberekana kwemaitiro ekugadzira, uye inoenderana optimization yemicrochannel geometry yemicrofluidic uye laboratory mudziyo-on-a-chip kugadzirwa kwemakemikari/analytical maapplication uye sainzi yekuparadzanisa.
Kuwanda kwekushandisa kweakaumbwa semi-yakaoma simbi (SSM) zvikamu zvinoda yakanakisa mechaniki zvivakwa.Yakasarudzika michina zvimiro senge kupfeka kuramba, kusimba kwepamusoro uye kuomarara zvinoenderana neiyo microstructure maficha akagadzirwa neiyo Ultra-yakanaka saizi yezviyo.Iyi saizi yezviyo inowanzoenderana neiyo optimum processability yeSSM.Nekudaro, SSM castings kazhinji ine yakasara porosity, iyo inonyanya kukanganisa kuita.Mubasa iri, maitiro akakosha ekuumba semi-akaoma simbi kuti awane emhando yepamusoro zvikamu achaongororwa.Zvikamu izvi zvinofanirwa kunge zvakadzikisira porosity uye kuvandudza microstructural hunhu, zvinosanganisira Ultra-yakanaka saizi yezviyo uye yunifomu kugovera kwekuomesa precipitates uye alloying microelement kuumbwa.Kunyanya, pesvedzero yenguva-yekupisa pretreatment nzira pakuvandudzwa kweinodiwa microstructure ichaongororwa.Zvinhu zvinokonzerwa nekuvandudzwa kwehuwandu, zvakadai sekuwedzera kwesimba, kuoma uye kuoma, zvichaongororwa.
Iri basa ndere chidzidzo chelaser shanduko yepasi peH13 chishandiso simbi uchishandisa pulsed laser process mode.Chirongwa chekutanga chekuongorora chekuongorora chakaitwa chakakonzera chirongwa chakakwenenzverwa.A carbon dioxide (CO2) laser ine wavelength ye10.6 µm inoshandiswa.Muchirongwa chekuyedza chekudzidza, mavara e laser emhando nhatu dzakasiyana akashandiswa: 0.4, 0.2, uye 0.09 mm mudhayamita.Mamwe maparamita anodzoreka ari laser peak simba, pulse repetition rate uye pulse overlap.Argon gasi pakumanikidzwa kwe0.1 MPa inogara ichibatsira laser kugadzirisa.Sample H13 yakaomeswa uye yakadzikwa makemikari isati yagadziriswa kuti iwedzere kunyura kwepamusoro paCO2 laser wavelength.Laser-yakarapwa masampula akagadzirirwa zvidzidzo zvemetallographic uye yavo yemuviri uye michina zvimiro zvakaratidzwa.Zvidzidzo zvemetallographic uye ongororo yemakemikari akaitwa pachishandiswa scanning electron microscopy pamwe chete nesimba rinoparadzira X-ray spectrometry.Crystallinity uye kucherechedzwa kwechikamu chenzvimbo yakagadziridzwa yakaitwa uchishandisa XRD system ine Cu Kα radiation uye wavelength ye1.54 Å.Iyo chimiro chepamusoro chinoyerwa uchishandisa stylus profiling system.Kuomarara kwenzvimbo dzakagadziridzwa dzakayerwa neVickers diamond microindentation.Kurudziro yekukasharara kwepasi pane kuneta zvimiro zvenzvimbo dzakagadziridzwa yakadzidzwa pachishandiswa yakanyatsogadzirwa yekupisa kuneta system.Izvo zvakaonekwa kuti zvinokwanisika kuwana yakagadziridzwa pamusoro pezviyo zvine ultrafine saizi isingasviki 500 nm.Kuvandudzwa kwepamusoro kudzika muhuwandu hwe35 kusvika ku150 µm yakawanikwa pane laser yakarapwa H13 samples.Iyo crystallinity yeH13 yakagadziridzwa pamusoro yakaderedzwa zvakanyanya, iyo inosanganiswa nekusarudzika kugoverwa kwekristallite mushure mekurapa kwelaser.Iyo shoma yakagadziriswa avhareji yepasi roughness yeH13 Ra ndeye 1.9 µm.Chimwe chinhu chakakosha kuwanikwa ndechekuti kuoma kweiyo yakagadziridzwa H13 nzvimbo inotangira kubva 728 kusvika 905 HV0.1 pane akasiyana laser marongero.Hukama pakati pekupisa simulation mhedzisiro (kudziya uye kutonhora mitengo) uye kuomarara mhedzisiro yakasimbiswa kuti uwedzere kunzwisisa mhedzisiro yelaser paramita.Izvi zvigumisiro zvakakosha pakugadzirwa kwepamusoro-soro nzira dzekuvandudza kupfeka kusagadzikana uye kupisa-kudzivirira machira.
Parametric inokanganisa zvimiro zveakasimba emitambo mabhora kuitira kugadzira akajairwa macores eGAA sliotar
Chinangwa chikuru chechidzidzo ichi ndechekuratidza maitiro ane simba eiyo sliotar core pakuita.Iyo viscoelastic maitiro ebhora akaitwa kune huwandu hwekukanganisa velocities.Mazuva ano ma polymer spheres anonzwa kune strain rate, nepo echinyakare akawanda-component spheres anotsamira kune dhizaini.Mhinduro isina mutsara yeviscoelastic inotsanangurwa nemaitiro maviri ekuoma: kutanga kuoma uye kuoma kwehuwandu.Mabhora echinyakare ane 2.5 times kuoma kupfuura mabhora emazuva ano, zvichienderana nekumhanya.Kukurumidza kwekuwedzera kwekuoma kwemabhora echinyakare kunoguma nekuwedzera kusiri-mutsara COR maringe nevelocity zvichienzaniswa nemabhora emazuva ano.Mhedzisiro yekuomarara kwemhedzisiro inoratidza kushomeka kwekushandisa kwequasi-static bvunzo uye chirimo dzidziso equations.Ongororo yemaitiro ekutenderera deformation inoratidza kuti kutamiswa kwepakati pesimba regiravhiti uye diametrical compression hazvienderane kune ese marudzi emabhora.Kuburikidza nekuedza kwakawanda kweprototyping, mhedzisiro yemamiriro ekugadzira pakuita kwebhora yakaongororwa.Iwo maparamendi ekugadzira etembiricha, kudzvanywa uye kuumbwa kwezvinhu kwakasiyana-siyana kugadzira mabhora akawanda.Kuoma kwepolymer kunokanganisa kuoma asi kwete kupera kwesimba, kuwedzera kuoma kunowedzera kuoma kwebhora.Nucleating additives inokanganisa reactivity yebhora, kuwedzera kwehuwandu hwekuwedzera kunotungamira mukudzikira kweiyo reactivity yebhora, asi mhedzisiro iyi inonzwa kune polymer giredhi.Kuongororwa kwenhamba kwakaitwa pachishandiswa matatu masvomhu emhando yekuenzanisa mhinduro yebhora kuti iite.Muenzaniso wekutanga wakaratidza kuti wakakwanisa kubereka maitiro ebhora chete kusvika pamwero wakaderera, kunyange zvazvo wakamboshandiswa zvinobudirira pane mamwe marudzi emabhora.Yechipiri modhi yakaratidza kumiririrwa kunonzwisisika kwekupindura kwebhora kwaiwanzo shanda kune ese marudzi ebhora akaedzwa, asi iyo yekumanikidza-kusimuka mhinduro yekufanotaura chokwadi yakanga isina kukwirira sezvaizodiwa pakuitwa kukuru.Yechitatu modhi yakaratidza kurongeka kuri nani pakuteedzera mhinduro yebhora.Simba simba rinogadzirwa nemuenzaniso weiyi modhi i95% inowirirana nedata rekuyedza.
Basa iri rakazadzisa zvinangwa zvikuru zviviri.Imwe ndiyo dhizaini uye kugadzirwa kweyepamusoro-tembiricha capillary viscometer, uye yechipiri ndeye semi-yakasimba simbi kuyerera simulation kubatsira mukugadzira uye kupa dhata kune zvinangwa zvekuenzanisa.Iyo yakanyanya tembiricha capillary viscometer yakavakwa uye yakashandiswa kwekutanga kuyedzwa.Chishandiso ichi chichashandiswa kuyera viscosity yesimbi-yakaoma simbi pasi pemamiriro ekupisa kwakanyanya uye shear mitengo yakafanana neiyo inoshandiswa muindasitiri.Iyo capillary viscometer inzvimbo imwe chete inogona kuverenga viscosity nekuyera kuyerera uye kudonhedza kudonha kuyambuka capillary, sezvo viscosity yakanyatso kuenzana nekudonha kwekumanikidza uye inversely proportional kuyerera.Madhizaini edhizaini anosanganisira zvinodiwa zvetembiricha inodzorwa zvakanaka kusvika 800ºC, jekiseni shear mitengo iri pamusoro pe10,000 s-1, uye inodzorwa majekiseni profiles.A two-dimensional two-phase theoretical time-dependent modhi yakagadzirwa pachishandiswa FLUENT software ye computational fluid dynamics (CFD).Izvi zvakashandiswa kuongorora viscosity yesemi-solid metals sezvavanopfuura neyakagadzirwa capillary viscometer pamajekiseni velocities e0.075, 0.5 uye 1 m/s.Mhedzisiro yechikamu chesimbi yakasimba (fs) kubva ku0.25 kusvika ku0.50 yakaongororwawo.Kune iyo simba-mutemo viscosity equation inoshandiswa kugadzira iyo Fluent modhi, kuwirirana kwakasimba kwakacherechedzwa pakati peizvi paramita uye inoguma viscosity.
Iri bepa rinoferefeta mhedzisiro yemaparamendi ekugadzirisa pakugadzirwa kweAl-SiC simbi matrix composites (MMC) mune batch composting process.Maitiro maparamendi akadzidzwa aisanganisira kumhanyisa kumhanya, nguva yestirrer, stirrer geometry, stirrer chinzvimbo, simbi yemvura tembiricha (viscosity).Maonero ekuona akaitwa pakamuri tembiricha (25 ± C), kuenzanisa kwemakombuta uye bvunzo dzekusimbisa kugadzirwa kweMMC Al-SiC.Mukuona uye komputa simulations, mvura uye glycerin / mvura zvakashandiswa kumiririra mvura uye semi-yakasimba aluminium, zvichiteerana.Mhedzisiro yeviscosities ye1, 300, 500, 800, uye 1000 mPa s uye inomutsa mitengo ye50, 100, 150, 200, 250, uye 300 rpm yakaongororwa.10 rolls pachidimbu.% yakasimbisa SiC zvidimbu, zvakafanana neaya anoshandiswa mualuminium MMK, akashandiswa mukuona uye computational bvunzo.Miedzo yekufungidzira yakaitwa mumabheki egirazi akajeka.Computational simulations akaitwa uchishandisa Fluent (CFD chirongwa) uye sarudzo MixSim package.Izvi zvinosanganisira 2D axisymmetric multiphase-time-dependent simulation yenzira dzekugadzira uchishandisa Eulerian (granular) modhi.Kutsamira kwechikamu chenguva yekuparadzira, nguva yekugadzika uye kureba kwevortex pane yekusanganisa geometry uye yekumhanyisa kutenderera kumhanya kwakatangwa.Pachikuchidzira chine ° pamapadhi, kona yemadhigirii makumi matanhatu yakawanikwa inokodzera zvirinani kukurumidza kuwana yunifomu yekupararira kwezvidimbu.Somugumisiro wezviedzo izvi, zvakaonekwa kuti kuitira kuwana kugoverwa kweyunifomu yeSiC, kukurumidza kunokonzera kwaiva 150 rpm yemvura-SiC system uye 300 rpm yeglycerol / water-SiC system.Zvakaonekwa kuti kuwedzera viscosity kubva pa1 mPa·s (yesimbi yemvura) kusvika pa300 mPa·s (yehafu-yakasimba simbi) ine simba guru pakuparadzira uye kuisa nguva yeSiC.Zvisineyi, kumwe kuwedzera kubva pa300 mPa·s kusvika pa1000 mPa·s hakuna zvazvinoita panguva ino.Chikamu chakakosha chebasa iri chaisanganisira dhizaini, kuvaka uye kusimbiswa kweiyo yakatsaurirwa kukurumidza kuomesa muchina weiyi tembiricha yekurapa nzira.Muchina uyu unoumbwa neanosimudzira ane mana akafuratira blades pakona ye60 madhigirii uye crucible mukamuri yevira ine resistive kudziyisa.Iko kuiswa kunosanganisira actuator inokurumidza kudzima musanganiswa wakagadzirwa.Ichi chishandiso chinoshandiswa kugadzira Al-SiC composite zvinhu.Kazhinji, kubvumirana kwakanaka kwakawanikwa pakati pekuona, kuverenga uye mhinduro dzekuyedza.
Kune akawanda akasiyana siyana ekukurumidza prototyping (RP) maitiro akagadziridzwa kuti ashandiswe hombe kunyanya mumakore gumi apfuura.Yekukurumidza prototyping masisitimu anowanikwa mune zvekutengesa nhasi anoshandisa akasiyana matekinoroji achishandisa bepa, wakisi, mwenje-anorapa resin, mapolymer, uye novel simbi hupfu.Iyo purojekiti yaisanganisira yekukurumidza prototyping nzira, Fused Deposition Modeling, yakatanga kutengeswa muna 1991. Mubasa iri, shanduro itsva yehurongwa hwekuenzanisira kuburikidza nepamusoro pekushandisa wax yakagadzirwa uye yakashandiswa.Iyi purojekiti inotsanangura magadzirirwo akakosha ehurongwa uye nzira yekuisa wakisi.Michina yeFDM inogadzira zvikamu nekuburitsa semi-yakanyungudutswa zvinhu papuratifomu nenzira yakafanotemerwa kuburikidza nemanozzles anopisa.Iyo extrusion nozzle inoiswa patafura yeXY inodzorwa nekombuta system.Mukubatana ne otomatiki kutonga kweiyo plunger mashandiro uye chinzvimbo chedhipoziti, mhando dzakakwana dzinogadzirwa.Wakisi imwe chete yakaturikidzana pamusoro peimwe kugadzira zvinhu zve2D ne3D.Zvimiro zvewakisi zvakaongororwawo kuti zvigadzirise magadzirirwo emhando.Izvi zvinosanganisira tembiricha yechikamu chekuchinja kwewakisi, viscosity yewakisi, uye chimiro chekudonha kwewakisi panguva yekugadziriswa.
Kwemakore mashanu apfuura, zvikwata zvekutsvagisa paCity University Dublin Division Science Cluster zvakagadzira maviri laser micromachining maitiro anogona kugadzira machanera uye mavhokisi ane reproducible micron-scale resolution.Chinangwa chebasa iri chiri pakushandiswa kwezvinhu zvetsika kuparadzanisa chinangwa chebiomolecules.Basa rekutanga rinoratidza kuti nyowani morphologies yekusanganiswa kwecapillary uye nzira dzepamusoro dzinogona kugadzirwa kuvandudza kugona kwekuparadzanisa.Iri basa rinotarisa pakushandiswa kweanowanikwa micromachining maturusi ekugadzira epamusoro geometri uye chiteshi chinopa kupatsanurwa kwakagadziridzwa uye hunhu hwebiological masisitimu.Kushandiswa kweaya masisitimu kuchatevera nzira yelab-on-a-chip yezvinangwa zvebiodiagnostic.Midziyo inogadzirwa uchishandisa tekinoroji yakagadziridzwa ichashandiswa murabhoritari yemicrofluidic yepurojekiti pane chip.Chinangwa chepurojekiti ndechekushandisa dhizaini yekuyedza, optimization, uye hunyanzvi hwekufananidza kupa hukama hwakananga pakati pelaser processing parameters uye micro- uye nanoscale chiteshi maitiro, uye kushandisa ruzivo urwu kuvandudza nzira dzekuparadzanisa mune idzi microtechnologies.Zvakananga zvabuda zvebasa zvinosanganisira: dhizaini dhizaini uye pamusoro morphology kunatsiridza kupatsanura sainzi;monolithic nhanho dzekupomba uye kudhirowa mumachipisi akabatanidzwa;kupatsanurwa kweakasarudzwa uye akabviswa chinangwa biomolecules pane akabatanidzwa machipi.
Chizvarwa uye kutonga kweyenguva tembiricha gradients uye longitudinal profiles pamwe necapillary LC makoramu uchishandisa Peltier arrays uye infrared thermography.
Iyo nyowani yakananga yekusangana chikuva chekutonga tembiricha yecapillary columns yakagadziridzwa zvichibva pakushandiswa kweserially yakarongedzwa yega inodzorwa thermoelectric Peltier masero.Iyi puratifomu inopa kukurumidza tembiricha kutonga kwecapillary uye micro LC makoramu uye inobvumira panguva imwe chete hurongwa hwekupisa kwepanguva uye kwenzvimbo.Iyi puratifomu inoshanda pamusoro petembiricha ye15 kusvika 200 ° C ine ramp rate inosvika 400 ° C / min kune imwe neimwe yegumi yakarongedzerwa maseru ePeltier.Iyo sisitimu yakaongororwa kune akati wandei asiri-akajairika capillary-yakavakirwa kuyerwa modhi, senge yakananga mashandisirwo ematembiricha ane mutsara uye asina-mutsara profiles, kusanganisira static column tembiricha gradients uye temporal tembiricha gradients, chaiyo tembiricha inodzorwa gradients, polymerized capillary monolithic. stationary phases, uye kugadzirwa kwe monolithic phases mu microfluidic channels (pane chip).Icho chiridzwa chinogona kushandiswa neyakajairwa uye column chromatography masisitimu.
Electrohydrodynamic inotarisa mune maviri-dimensional planar microfluidic mudziyo we preconcentration yediki analytes.
Iri basa rinosanganisira electrohydrodynamic yakatarisa (EHDF) uye kuendesa photon kubatsira mukuvandudza pre-kupfumisa uye kuzivikanwa kwemarudzi.EHDF ion-yakadzikama yekutarisa nzira yakavakirwa pakugadzirisa chiyero pakati pe hydrodynamic nemagetsi masimba, umo maion ekufarira anomira.Ichi chidzidzo chinopa nzira itsva uchishandisa 2D yakavhurika 2D flat space planar microfluidic mudziyo pachinzvimbo cheyakajairika microchannel system.Midziyo yakadaro inogona kuisa pamberi pezvizhinji zvezvinhu uye zviri nyore kugadzira.Ichi chidzidzo chinopa mhedzisiro yeichangobva kugadzirwa simulation uchishandisa COMSOL Multiphysics® 3.5a.Mhedzisiro yeaya mamodheru akaenzaniswa nemhedzisiro yekuyedza kuyedza iyo yakaonekwa yekuyerera geometri uye nzvimbo dzepamusoro.Iyo yakagadziridzwa nhamba microfluidic modhi yakaenzaniswa neyakamboburitswa ongororo uye mhedzisiro yacho yaienderana.Zvichienderana nekuenzanisa uku, rudzi rutsva rwengarava rwakatsvagirwa kuti ipe mamiriro akakwana eEHDF.Mhedzisiro yekuedza kushandisa chip yakapfuura kuita kwemuenzaniso.Mune akagadzirwa microfluidic chips, imwe nzira itsva yakaonekwa, inonzi lateral EGDP, apo chinhu chiri pasi pekudzidza chakanga chakatarisa perpendicular kune yakashandiswa voltage.Nekuti kucherechedzwa uye kufungidzira zvinhu zvakakosha zvekutanga kupfumisa uye masisitimu ekuzivikanwa kwemarudzi.Nhamba dzemhando uye yekuongorora kwechiedza chekuparadzira chiedza uye chiedza chakanyanya kugovera mune maviri-dimensional microfluidic masisitimu anoratidzwa.Iyo yakagadziridzwa yenhamba modhi yekuparadzira mwenje yakasimbiswa zvakabudirira mukuyedza zvese maererano nenzira chaiyo yechiedza kuburikidza nehurongwa uye maererano nekusimba kwekuparadzira, izvo zvakapa mhedzisiro inogona kuve yekufarira kukwenenzvera mafotopolymerization masisitimu, pamwe neyekuona masisitimu ekuona. kushandisa capillaries..
Zvichienderana neiyo geometry, microstructures inogona kushandiswa munharembozha, microfluidics, microsensors, data warehousing, kucheka magirazi, uye yekushongedza yekumaka.Mubasa iri, hukama pakati pezvigadziro zveiyo Nd: YVO4 uye CO2 laser system uye saizi uye morphology ye microstructures yakaongororwa.Zviyero zvakadzidzwa zvelaser system zvinosanganisira simba P, kudzokorora kwepuruzira PRF, nhamba yemapulses N uye scan rate U. Measured output dimensions inosanganisira yakaenzana voxel diameters pamwe ne microchannel upamhi, kudzika uye pamusoro roughness.A 3D micromachining system yakagadzirwa uchishandisa Nd:YVO4 laser (2.5 W, 1.604 µm, 80 ns) kugadzira microstructures mukati me polycarbonate specimens.Microstructural voxels ane dhayamita ye48 kusvika 181 µm.Iyo sisitimu inopawo kunyatsotarisisa kuburikidza nekushandisa maikorosikopu zvinangwa kugadzira mavhokisi madiki mu5 kusvika 10 µm renji mune soda-lime girazi, yakasanganiswa silica uye sapire samples.A CO2 laser (1.5 kW, 10.6 µm, shoma pulse nguva 26 µs) yakashandiswa kugadzira microchannels mune soda-lime girazi samples.Iyo muchinjika-chikamu chimiro cheiyo mamicrochannels akasiyana zvakanyanya pakati pev-grooves, u-grooves, uye epamusoro ablation nzvimbo.Saizi yema microchannels zvakare anosiyana zvakanyanya: kubva pa81 kusvika 365 µm yakafara, kubva 3 kusvika 379 µm pakadzika, uye kushata kwepamusoro kubva pa2 kusvika 13 µm, zvichienderana nekuiswa.Microchannel saizi yakaongororwa zvinoenderana nelaser processing paramita uchishandisa mhinduro yepamusoro nzira (RSM) uye dhizaini yezviedzo (DOE).Mhedzisiro yakaunganidzwa yakashandiswa kudzidza mabatiro emaitiro paramita pane volumetric uye mass ablation rate.Pamusoro pezvo, iyo yekupisa yekupisa masvomhu modhi yakagadziridzwa kubatsira kunzwisisa maitiro uye kubvumidza iyo chiteshi topology kufanotaurwa isati yagadzirwa chaiyo.
Indasitiri yemetrology inogara ichitsvaga nzira nyowani dzekunyatso uye nekukasira kuongorora nekuisa digitize pamusoro penzvimbo, kusanganisira kuverengera kushata kwepamusoro uye kugadzira makore enzvimbo (seti dzematatu-dimensional mapoinzi anotsanangura imwe kana anopfuura nzvimbo) yekuenzanisira kana kudzosera kumashure mainjiniya.masisitimu aripo, uye optical masisitimu akakura mukuzivikanwa mumakore gumi apfuura, asi mazhinji eptical profilers anodhura kutenga nekuchengetedza.Zvichienderana nerudzi rwehurongwa, maoptical profilers anogona zvakare kunetsa kugadzira uye fragility yavo inogona kunge isingakodzere kune mazhinji echitoro kana fekitori application.Iyi purojekiti inovhara kuvandudzwa kweprofiler uchishandisa misimboti ye optical triangulation.Iyo yakagadziridzwa sisitimu ine scanning tafura nzvimbo ye200 x 120 mm uye yakatwasuka kuyerwa kwe5 mm.Nzvimbo ye laser sensor pamusoro penzvimbo inotarirwa inogadziriswa zvakare ne 15 mm.Chirongwa chekudzora chakagadzirwa kuti chitarise otomatiki chezvikamu zvakasarudzwa nemushandisi nenzvimbo dzepamusoro.Hurongwa hutsva uhu hunoratidzwa nekururama kwedimensional.Iyo yakayerwa yakakura cosine kukanganisa kweiyo system ndeye 0.07 °.Kusimba kwesimba rehurongwa kunoyerwa pa 2 µm muZ-axis (kureba) uye nezve 10 µm mu X uye Y axes.Saizi reshiyo pakati pezvikamu zvakaongororwa (mari, screws, washer uye fiber lens inofa) yaive yakanaka.Yekuyedza sisitimu ichakurukurwa zvakare, kusanganisira profilter zvisingakwanisi uye zvinogoneka kuvandudzwa system.
Chinangwa chepurojekiti iyi ndechekugadzira uye kuratidza itsva optical high-speed online system yekuongorora hurema hwepamusoro.Iyo yekudzora sisitimu yakavakirwa pamusimboti we optical triangulation uye inopa isiri-yekubata nzira yekuona iyo matatu-dimensional mbiri yenzvimbo dzakapararira.Izvo zvakakosha zvesisitimu yekusimudzira zvinosanganisira diode laser, CCf15 CMOS kamera, uye maviri PC-anodzorwa servo motors.Sample kufamba, kutorwa kwemifananidzo, uye 3D pamusoro profiling zvakarongwa muLabView software.Kutarisa iyo data yakabatwa inogona kufambiswa nekugadzira chirongwa chekupa chaiyo ye3D yakaongororwa nzvimbo uye kuverenga inodiwa pamusoro roughness paramita.Servo motors anoshandiswa kufambisa sampu muX uye Y mafambiro ane resolution ye0.05 µm.Iyo yakagadziridzwa isina-inobata yepamhepo yepamusoro profiler inogona kuita nekukurumidza scanning uye yakakwirira resolution yepamusoro yekuongorora.Iyo yakagadziridzwa sisitimu inoshandiswa zvinobudirira kugadzira otomatiki 2D pamusoro profiles, 3D pamusoro profiles uye pamusoro roughness zviyero pamusoro pezvakasiyana sampuli zvinhu.Iyo otomatiki yekuongorora michina ine XY yekutarisa nzvimbo ye12 x 12 mm.Kuratidza uye kuenzanisa iyo yakagadziridzwa profiling system, chimiro chepamusoro chakayerwa nehurongwa chakaenzaniswa nechakaenzana chakayerwa pachishandiswa microscope, binocular microscope, AFM neMitutoyo Surftest-402.
Zvinodiwa zvemhando yezvigadzirwa uye zvinhu zvinoshandiswa mazviri zviri kuramba zvichiwedzera kudiwa.Mhinduro kumatambudziko akawanda ekuona kunaka kwehutano (QA) ndeyekushandiswa kwe-real-time automated surface inspection systems.Izvi zvinoda yunifomu yechigadzirwa chemhando pane yakakwirira throughput.Naizvozvo, masisitimu anodiwa ayo ari zana muzana anokwanisa kuyedza zvinhu uye nzvimbo munguva chaiyo.Kuti uwane chinangwa ichi, kusanganiswa kwelaser tekinoroji uye tekinoroji yekudzora komputa inopa mhinduro inoshanda.Mubasa iri, yakakwira-kumhanya, yakaderera-mutengo, uye yakakwirira-chaiyo isiri-contact laser scanning system yakagadzirwa.Iyo sisitimu inokwanisa kuyera ukobvu hwezvinhu zvakasimba opaque uchishandisa musimboti welaser optical triangulation.Iyo yakagadziridzwa sisitimu inovimbisa huchokwadi uye reproducibility yezviyero padanho re micrometer.
Chinangwa chepurojekiti iyi kugadzira nekugadzira laser yekuongorora system yekuona chirema chepamusoro uye kuongorora kugona kwayo kwekumhanya kwakanyanya inline application.Zvinhu zvikuru zvesisitimu yekuona iyi laser diode module senzvimbo yekuvhenekesa, kamera yeCMOS yekuwana zvisina tsarukano sechikamu chekuona, uye XYZ nhanho yekushandura.Algorithms yekuongorora data yakawanikwa nekuongorora akasiyana maekisesheni akagadzirwa.Iyo control system yakavakirwa pamusimboti we optical triangulation.Iyo laser beam inoitika obliquely pane sampuli yepamusoro.Musiyano wehurefu hwepamusoro unobva watorwa sekufamba kwakatwasuka kwenzvimbo yelaser pamusoro penzvimbo yemuenzaniso.Izvi zvinobvumira kuyerwa kwehurefu kutorwa uchishandisa nzira yetriangulation.Iyo yakagadziridzwa yekuona sisitimu inotanga kuverengerwa kuti iwane kutendeuka chinhu chinozoratidza hukama pakati pekusimuka kwenzvimbo inoyerwa ne sensor uye vertical displacement pamusoro.Iwo maedzo akaitwa pane akasiyana mativi emhando yezvinhu: ndarira, aluminium uye simbi isina tsvina.Iyo yakagadziridzwa sisitimu inokwanisa kunyatso kuburitsa iyo 3D topographic mepu yehurema hunoitika panguva yekushanda.Kugadziriswa kwenzvimbo kwe70 µm uye kudzika kwe60 µm kwakagadziriswa.Kuita kweSistimu kunoongororwawo nekuyera huchokwadi hwenhambwe dzakayerwa.
Yakakwira-kumhanya fiber laser scanning masisitimu anoshandiswa mune otomatiki maindasitiri ekugadzira nharaunda kuona kuremara kwepasi.Dzimwe nzira dzechizvino-zvino dzekuona kukanganisa kwepamusoro dzinosanganisira kushandiswa kwemafiber optical ekuvhenekesa uye kuona chikamu.Dissertation iyi inosanganisira dhizaini nekuvandudzwa kweiyo nyowani yepamusoro-speed optoelectronic system.Mubepa rino, maviri masosi emaLED, maLED (light emitting diode) uye laser diodes, anoongororwa.Mutsara wevashanu emitting diode uye mashanu ekugamuchira mafotodiode anowanikwa akatarisana.Iyo data yekuunganidza inodzorwa uye kuongororwa nePC uchishandisa iyo LabVIEW software.Iyo sisitimu inoshandiswa kuyera zviyero zvehurema hwepamusoro senge maburi (1 mm), mapofu maburi (2 mm) uye notches mune dzakasiyana siyana.Mhedzisiro yacho inoratidza kuti nepo sisitimu ichinyanya kuitirwa 2D scanning, inogona zvakare kushanda seyakaganhurwa 3D imaging system.Iyo sisitimu yakaratidzawo kuti zvese zvesimbi zvakadzidzwa zvaikwanisa kuratidza infrared masaini.Nzira ichangobva kugadzirwa uchishandisa ruzhinji rwemafibers akarerekera inobvumira sisitimu kuti iwane inogadzirika kugadziriswa neyakakura sisitimu yekugadzirisa inosvika 100 µm (kuunganidza fiber dhayamita).Iyo sisitimu yakashandiswa zvinobudirira kuyera chimiro chepamusoro, kushata kwepamusoro, ukobvu uye kutaridzika kwezvinhu zvakasiyana.Aluminium, simbi isina tsvina, ndarira, mhangura, tuffnol uye polycarbonate inogona kuedzwa neiyi system.Zvakanakira iyi hurongwa hutsva kukurumidza kuona, mutengo wakaderera, saizi diki, resolution yepamusoro uye kuchinjika.
Dhizaini, gadzira uye edza masisitimu matsva kubatanidza uye kuendesa hunyanzvi hwekunzwa tekinoroji.Kunyanya akakodzera kune faecal bacteria monitoring applications
Kugadzirisa iyo Micro-Nano Mamisikirwo eSilicon Solar PV Panels Kuvandudza Magetsi Supply.
Rimwe rematambudziko makuru einjiniya akatarisana nenharaunda yepasirese nhasi isimba rinogara riripo.Yasvika nguva yekuti nzanga itange kutsamira zvakanyanya pamanyuko emagetsi anogona kuvandudzwa.Zuva rinopa pasi simba remahara, asi nzira dzemazuva ano dzekushandisa simba iri muchimiro chemagetsi dzine ganhuriro dzakati.Munyaya ye photovoltaic masero, dambudziko guru nderokusakwana kwekuita kwekuunganidza simba rezuva.Laser micromachining inowanzo shandiswa kugadzira zvinobatana pakati pe photovoltaic inoshanda maseru segirazi substrates, hydrogenated silicon, uye zinc oxide layer.Zvinozivikanwa zvakare kuti simba rakawanda rinogona kuwanikwa nekuwedzera nzvimbo yesolar cell, semuenzaniso ne micromachining.Izvo zvave zvichiratidzwa kuti nanoscale pamusoro pembiri profiles inokanganisa kunyudzwa kwesimba kwemasero ezuva.Chinangwa chebepa iri ndechekuongorora mabhenefiti ekugadzirisa micro-, nano- uye mesoscale solar cell zvimiro kuti ipe simba repamusoro.Kusiyanisa tekinoroji parameters akadaro microstructures uye nanostructures kuchaita kuti zvikwanise kudzidza maitiro avo pamusoro peiyo topology.Masero anozoyedzerwa simba raanoburitsa kana akafumurwa nekuyedza kudzora mazinga emagetsi emagetsi.Ukama hwakananga huchagadziriswa pakati pesero kunyatsoshanda uye kuumbwa kwepamusoro.
Metal Matrix Composites (MMCs) vari kukurumidza kuve vamiriri vepamusoro vebasa rezvimiro zvekugadzira muinjiniya nemagetsi.Aluminium (Al) nemhangura (Cu) yakasimbiswa neSiC nekuda kwekunaka kwazvo kwekupisa kwemafuta (eg low thermal expansion coefficient (CTE), high thermal conductivity) uye yakagadziridzwa ma mechanical properties (semuenzaniso yakakwirira chaiyo simba, nani kushanda).Inoshandiswa zvakanyanya mumaindasitiri akasiyana siyana ekupfeka kuramba uye chaiyo modulus.Munguva pfupi yapfuura, idzi dzakakwirira dzeceramic MMC dzave imwe tsika yekudzora tembiricha zvikumbiro mumapakeji emagetsi.Kazhinji, mumapakeji emagetsi emagetsi, aluminium (Al) kana mhangura (Cu) inoshandiswa seheatsink kana base plate yekubatanidza kune ceramic substrate inotakura chip uye yakabatana pini zvimiro.Musiyano wakakura mukukoira kwekuwedzera kwekupisa (CTE) pakati peceramic nealuminium kana mhangura haina kunaka nekuti inoderedza kuvimbika kwepakeji uye zvakare inomisa saizi yeceramic substrate inogona kusungirirwa kune substrate.
Tichifunga nezvekukanganisa uku, zvino zvave kugoneka kugadzira, kuongorora uye kuratidza zvinhu zvitsva zvinosangana nezvinodiwa izvi zvezvinhu zvakagadziridzwa nemafuta.Nekuvandudzwa kwekupisa kwekupisa uye coefficient yekuwedzera kwekushisa (CTE) zvivakwa, MMC CuSiC neAlSiC ikozvino mhinduro dzinoshanda dzekurongedza zvemagetsi.Iri basa richaongorora yakasarudzika thermophysical zvimiro zveMMCs uye zvazvinogoneka zvikumbiro zvekudziya kwekutonga kwemagetsi mapakeji.
Makambani emafuta anosangana nekuora kwakakosha munzvimbo yewelding yeoiri uye gasi indasitiri masisitimu akagadzirwa nekabhoni uye yakaderera alloy simbi.Munzvimbo dzine CO2, kukuvadzwa kwecorrosion kunowanzo kukonzerwa nekusiyana kwesimba rekudzivirira ngura mafirimu akaiswa pane akasiyana kabhoni simbi microstructures.Kuora kwenzvimbo mune weld metal (WM) uye nzvimbo inobatwa nekupisa (HAZ) inonyanya kukonzerwa nemhedzisiro yegalvanic nekuda kwekusiyana kwekuumbwa kwealloy uye microstructure.Base simbi (PM), WM, uye HAZ microstructural maitiro akaferefetwa kuti anzwisise mashandiro emicrostructure pamaitiro ekuora kwesimbi dzakapfava dzakasungwa majoini.Corrosion bvunzo dzakaitwa mune 3.5% NaCl mhinduro yakazadzwa ne CO2 pasi pe deoxygenated mamiriro pakamuri tembiricha (20±2°C) uye pH 4.0±0.3.Hunhu hwekuora hunhu hwakaitwa pachishandiswa electrochemical nzira dzekuona iyo yakavhurika yedunhu inogona, potentiodynamic scanning uye linear polarization kuramba, pamwe neyakajairwa metallographic characterization uchishandisa optical microscopy.Iwo makuru morphological zvikamu zvakaonekwa ndeye acicular ferrite, yakachengetwa austenite, uye martensitic-bainitic chimiro muWM.Havana kunyanya kuwanda muHAZ.Zvakasiyana zvakasiyana-siyana zve electrochemical maitiro uye corrosion rates yakawanikwa muPM, VM uye HAZ.
Basa rakafukidzwa nepurojekiti iyi rakanangana nekuvandudza kushanda kwemagetsi kwemapombi ari pasi pemvura.Zvinodiwa paindasitiri yepombi kuti ifambe munzira iyi zvakangowedzera nekuunzwa kwemitemo mitsva yeEU inoda kuti indasitiri yese iwane hutsva uye hwepamusoro hwekuita.Iri bepa rinoongorora kushandiswa kwejasi rekutonhodza kutonhodza pombi solenoid nzvimbo uye inopa mazano ekuvandudza dhizaini.Kunyanya, kuyerera kwemvura uye kupisa kwekushisa mumajasi ekutonhorera emapombi ekushanda anoonekwa.Kuvandudzwa kwekugadzira bhachi kunopa kurinani kupisa kwekufambisa kunzvimbo yepombi mota zvichikonzera kuvandudza kushanda zvakanaka kwepombi uku ichideredza kudhonzwa.Pabasa iri, gomba rakaoma rakaiswa pombi yekuyedza system yakawedzerwa kune iripo 250 m3 test tank.Izvi zvinobvumira yakakwirira-kumhanya kamera yekutevera yenzvimbo yekuyerera uye mufananidzo wekupisa wepombi casing.Iyo yekuyerera ndima yakasimbiswa neCFD ongororo inobvumira kuyedza, kuyedza uye kuenzanisa mamwe madhizaini kuchengetedza tembiricha yekushanda yakaderera sezvinobvira.Magadzirirwo ekutanga epombi yepombi yeM60-4 aishingirira tembiricha yepamusoro yepombi casing ye45°C uye tembiricha yepamusoro ye stator inosvika 90°C.Ongororo yeakasiyana madhizaini emhando inoratidza kuti ndeapi madhizaini anonyanya kubatsira kune mamwe masisitimu anoshanda uye asingafanirwe kushandiswa.Kunyanya, dhizaini yecoil inotonhorera yakasanganiswa haina kuvandudzwa pane yekutanga dhizaini.Kuwedzera huwandu hwemapeller blades kubva kumana kusvika kumasere kwakaderedza tembiricha yekushandisa yakayerwa pacasing nemadhigirii manomwe.
Iko kusanganiswa kwehukuru hwesimba uye kuderedzwa kuratidzwa nguva mukugadzirwa kwesimbi kunoguma nekuchinja kweiyo yepamusoro microstructure.Kuwana iyo yakakwana musanganiswa welaser process paramita uye chiyero chekutonhora kwakakosha pakushandura chimiro chezviyo uye kugadzirisa tribological zvivakwa panzvimbo yezvinhu.Chinangwa chikuru chechidzidzo ichi chaive chekuongorora mhedzisiro yekukurumidza pulsed laser processing pane tribological zvimiro zvekutengeserana zvinowanikwa esimbi biomaterials.Iri basa rakatsaurirwa kune laser pamusoro pekugadzirisa kwesimbi isina tsvina AISI 316L uye Ti-6Al-4V.A 1.5 kW pulsed CO2 laser yakashandiswa kudzidza pesvedzero yeakasiyana laser process paramita uye inokonzeresa pamusoro microstructure uye morphology.Uchishandisa cylindrical sampuli yakatenderedzwa perpendicular kune laser radiation kutungamira, iyo laser radiation intensity, nguva yekuratidzwa, simba flux density, uye pulse hupamhi hwakasiyana.Hunhu hwakaitwa uchishandisa SEM, EDX, tsono roughness kuyerwa uye XRD kuongororwa.Muenzaniso wekufanotaura kwekushisa kwepamusoro wakashandiswawo kuisa mapeji ekutanga ekuedza.Kugadzira mepu kwakazoitwa kuona akati wandei ma paramita ekurapwa kwelaser pamusoro pesimbi yakanyungudutswa.Pane kuwirirana kwakasimba pakati pekuvhenekera, nguva yekuratidzwa, kudzika kwekugadzirisa uye kushata kwemuenzaniso wakagadziriswa.Kuwedzera kudzika uye kushata kwekuchinja kwemicrostructural kwakabatana nemazinga epamusoro ekuratidzwa uye nguva dzekuratidzwa.Nekuongorora kushata uye kudzika kwenzvimbo yakabatwa, kutsetseka kwesimba uye maitiro ekushisa kwepamusoro anoshandiswa kufanotaura mwero wekunyungudika kuchaitika pamusoro.Sezvo nguva yekudyidzana yelaser beam inowedzera, kushata kwesimbi kunowedzera kune akasiyana siyana akadzidza pulse simba mazinga.Nepo chimiro chepamusoro chaicherechedzwa kuchengetedza kurongeka kwakajairwa kwemakristasi, shanduko mukutarisa kwezviyo zvakaonekwa munzvimbo dzakabatwa nelaser.
Ongororo uye hunhu hwematishu kusagadzikana maitiro uye zvazvinoreva kune scaffold dhizaini
Muchirongwa ichi, akati wandei akasiyana scaffold geometries akagadzirwa uye magumo ekuongorora akaitwa kuti anzwisise ma mechanika echimiro chebhonzo, basa rawo mukukura kwetishu, uye kuwanda kwekuwandisa kwekushushikana uye kunetsa muscaffold.Computed tomography (CT) scans ye trabecular bone samples yakaunganidzwa mukuwedzera kune scaffold zvimiro zvakagadzirirwa neCAD.Aya magadzirirwo anotendera iwe kugadzira uye kuyedza prototypes, pamwe nekuita FEM yezvigadziriso izvi.Mechanical kuyerwa kwe microdeformations yakaitwa pazvikafu zvakagadzirwa uye trabecular specimens yefemoral head bone uye izvi mhedzisiro zvakaenzaniswa neaya akawanikwa neFEA kune mamwe maitiro.Zvinotendwa kuti zvivakwa zvemakanika zvinoenderana neyakagadzirwa pore chimiro (chimiro), saizi yepore (120, 340 uye 600 µm) uye mamiriro ekurodha (ane kana asina mabhuroki ekurodha).Shanduko mumaparameta aya akaferefetwa kune porous masisitimu e8 mm3, 22.7 mm3 uye 1000 mm3 kuitira kuti vadzidze zvizere maitiro avo pakugovera kushushikana.Migumisiro yezviedzo uye kuenzanisa zvinoratidza kuti geometric design yehutano inobata basa rinokosha mukuparadzirwa kwekunetseka, uye kusimbisa simba guru rekugadzirisa hurongwa hwekuvandudza kuvandudzwa kwemapfupa.Kazhinji, saizi yepore yakakosha kupfuura porosity level mukuona iyo yakazara yakanyanya kushushikana nhanho.Nekudaro, iyo nhanho yeporosity yakakoshawo pakuona iyo osteoconductivity ye scaffold zvimiro.Sezvo iyo porosity level inowedzera kubva pa30% kusvika 70%, iyo yakanyanya kushushikana kukosha inowedzera zvakanyanya kune yakafanana pore saizi.
Iyo pore saizi ye scaffold yakakoshawo kune nzira yekugadzira.Nzira dzese dzemazuva ano dzekukurumidza prototyping dzine zvimwe zvinogumira.Nepo magadzirirwo echinyakare achinyanya kuenderana, zvakanyanya kuomarara uye zvidiki dhizaini kazhinji hazvigoneke kugadzira.Mazhinji ematekinoroji aya parizvino haakwanise kuburitsa pores ari pasi pe500 µm.Nekudaro, mhedzisiro ine saizi yepore ye600 µm mubasa iri inonyanya kukosha kune kugona kwekugadzira kweazvino kukurumidza kugadzira matekinoroji.Iyo yakaratidzwa hexagonal chimiro, kunyangwe ichingotariswa munzira imwe chete, ingave yakanyanya anisotropic chimiro kana ichienzaniswa nezvimiro zvinoenderana necube uye katatu.Cubic uye triangular zvimiro zvine isotropic zvichienzaniswa neane hexagonal zvimiro.Anisotropy yakakosha kana uchifunga nezve osteoconductivity yeyakagadzirwa scaffold.Kushungurudzika kugovera uye nzvimbo yekuvhura inokanganisa maitiro ekugadzirisa, uye mamiriro akasiyana ekurodha anogona kushandura iyo yakanyanya kushushikana kukosha uye nzvimbo yayo.Iyo yakanyanya kurodha dhairekitori inofanirwa kusimudzira saizi yepore uye kugovera kubvumira maseru kuti akure kuita mahombe pores uye kupa chikafu uye zvekuvaka.Imwe mhedziso inonakidza yebasa iri, nekuongorora kugoverwa kwekushushikana muchikamu chemuchinjiko wembiru, ndeyekuti kukosha kwepamusoro kwekushushikana kunonyorwa pamusoro pembiru zvichienzaniswa nepakati.Mubasa iri, zvakaratidzwa kuti saizi yepore, porosity level, uye nzira yekurodha yakabatana zvakanyanya nemazinga ekushushikana anowanikwa mune chimiro.Izvi zvakawanikwa zvinoratidza mukana wekugadzira strut zvimiro umo kushushikana kwemazinga pamusoro pe strut surface kunogona kusiyanisa kusvika pamwero mukuru, izvo zvinogona kukurudzira kusungirirwa kwesero uye kukura.
Synthetic bone inotsiva scaffolds inopa mukana kune mumwe nemumwe kugadzirisa zvivakwa, kukunda kushomeka kwevanopa kuwanikwa, uye kugadzirisa osseointegration.Bone engineering inovavarira kugadzirisa nyaya idzi nekupa emhando yepamusoro magraft ayo anogona kupihwa muhuwandu hukuru.Mumashandisirwo aya, ese emukati nekunze scaffold geometry akakosha zvikuru, sezvo aine simba rakakosha pamaitiro emakanika, permeability, uye kuwanda kwesero.Rapid prototyping tekinoroji inobvumira kushandiswa kwezvinhu zvisiri-yakajairwa neiyo yakapihwa uye yakagadziridzwa geometry, inogadzirwa nehupamhi hwepamusoro.Iri bepa rinoongorora kugona kwe 3D nzira dzekudhinda kugadzira yakaoma geometries yeskeletal scaffolds uchishandisa biocompatible calcium phosphate zvinhu.Zvidzidzo zvekutanga zvezvinhu zvevaridzi zvinoratidza kuti fungidziro yekumisikidza maitiro inogona kuwanikwa.Zviyero chaizvo zvemakina ekutungamira ezvigadzirwa zvemasamples akagadzirwa zvakaratidza mafambiro akafanana nemhedzisiro yekugumira chinhu chekuongorora (FEM).Iri basa rinoratidzawo kugona kwe 3D kudhinda kugadzira tishu engineering geometry scaffolds kubva kune biocompatible calcium phosphate simende.Mafuremu acho akagadzirwa nekudhinda nemushonga une mvura we disodium hydrogen phosphate paupfu layer ine homogeneous musanganiswa we calcium hydrogen phosphate uye calcium hydroxide.Iyo yekunyorova yemakemikari deposition reaction inoitika mumubhedha wehupfu we3D printer.Samples dzakasimba dzakaitwa kuyera ma mechanic properties ye volumetric compression yeyakagadzirwa calcium phosphate simenti (CPC).Izvo zvikamu zvakagadzirwa zvaive neavhareji modulus ye elasticity ye3.59 MPa uye avhareji yekumanikidza simba re0.147 MPa.Sintering inotungamira kukuwedzera kukuru kwezvivakwa zvekumanikidza (E = 9.15 MPa, σt = 0.483 MPa), asi inoderedza iyo chaiyo nzvimbo yechinhu.Somugumisiro wekupisa, calcium phosphate simenti inoparara mu β-tricalcium phosphate (β-TCP) uye hydroxyapatite (HA), iyo inosimbiswa nemashoko e thermogravimetric uye differential thermal analysis (TGA / DTA) uye X-ray diffraction analysis ( XRD).zvivakwa hazvina kukwana kuisirwa zvakanyanya, uko simba rinodiwa rinobva pa1.5 kusvika 150 MPa, uye iyo compressive rigidity inodarika 10 MPa.Nekudaro, kuenderera mberi kwekugadzirisa, sekupinzwa nemapolymers e biodegradable, kunogona kuita kuti zvimiro izvi zvikodzere stent application.
Chinangwa: Tsvagiridzo mumakanika evhu yakaratidza kuti kuzunguzika kunoshandiswa kune akaunganidzwa kunokonzeresa kurongeka kwechikamu uye kudzikiswa kwesimba rinodiwa kuita pane akaunganidzwa.Chinangwa chedu chaive chekugadzira nzira yekukonzeresa kwekudengenyeka pamapfupa ekugadzirisa maitiro uye kuongorora maitiro ayo pamagetsi emagetsi emagetsi akabatwa.
Phase 1: Kugaya kwemakumi masere misoro yebovine femur uchishandisa Noviomagus bone mill.Magraft acho aibva asukwa pachishandiswa pulsed saline wash system pane sieve tray.Chishandiso che vibro-impact chakagadzirwa, chine maviri 15 V DC motors ane eccentric uremu akaiswa mukati mesimbi silinda.Kanda uremu pairi kubva paurefu hwakapihwa ka72 kuberekazve maitiro ekurova bhonzo.Iyo vibration frequency renji yakayerwa neaccelerometer yakaiswa mukamuri yekuzunguza yakaedzwa.Imwe neimwe bvunzo yeshear yakazodzokororwa pamatanho mana akasiyana akajairwa kuti awane nhevedzano yekushushikana-kunetseka curves.Mohr-Coulomb kukundikana mahamvuropu akavakirwa bvunzo yega yega, kubva kwairi simba rekugera uye kuvharika kukosha kwakatorwa.
Chikamu chechipiri: Dzokorora kuedza nekuwedzera ropa kudzokorora nharaunda yakapfuma yakasangana mukuvhiya.
Danho 1: Magireti ane kuzunguzika kwakawedzera pama frequency ese ekudedera airatidza simba reshear rakakwira zvichienzaniswa nekukanganisa pasina kuzunguzika.Vibration pa60 Hz yakave nemhedzisiro yakakura uye yaive yakakosha.
Danho rechipiri: Kubatanidza pamwe nekuwedzera kuzunguzika muzvikamu zvakazara zvakaratidza kuderera kwesimba rekugera kune ese akajairwa anomanikidza mitoro pane kukanganisa pasina vibration.
Mhedziso: Misimboti yeinjiniya yehurumende inoshanda pakuiswa kwebhonzo rakaiswa.Mune yakaoma aggregates, kuwedzera kwe vibration kunogona kuvandudza ma mechanic properties yeanokanganisa masisitimu.Mune yedu system, iyo yakakwana vibration frequency ndeye 60 Hz.Mumasaturated aggregates, kuwedzera kwekudengenyeka kunokanganisa zvakanyanya kusimba kwekugera kweaggregate.Izvi zvinogona kutsanangurwa nekuita liquefaction.
Chinangwa chebasa iri chaive kugadzira, kuvaka uye kuyedza hurongwa hunogona kukanganisa zvidzidzo zvakamira pairi kuti vaone kugona kwavo kupindura kune shanduko idzi.Izvi zvinogona kuitwa nekukasira kurerekera pasi pakange pamire munhu wozoidzorera panzvimbo yakachinjika.Kubva pane izvi zvinokwanisika kuziva kana zvidzidzo zvakakwanisa kuchengetedza mamiriro ekuenzanisa uye kuti zvakatora nguva yakareba sei kuti vadzorere iyi mamiriro ekuenzanisa.Ichi chimiro chekuenzanisa chinozogadziriswa nekuyera iyo yenyaya pesvedzero yemashure.Kufamba kwavo kwechisikigo kwemashure kwakayerwa nerutsoka rwekudzvanya profile panel kuti vaone kuti kuzununguka kwaive kwakadii panguva yekuyedzwa.Iyo sisitimu inogadzirwa zvakare kuti ive yakawanda uye inokwanisika kupfuura ikozvino inotengeswa nekuti, nepo michina iyi yakakosha pakutsvaga, haisati yashandiswa zvakanyanya nekuda kwekudhura kwayo.Iyo ichangobva kugadzirwa sisitimu yakapihwa muchinyorwa ichi yakashandiswa kufambisa zvinhu zvekuyedza zvinorema kusvika ku100 kg.
Mubasa iri, zvitanhatu zvekuedza murabhoritari muinjiniya nesainzi yemuviri zvakagadzirirwa kuvandudza nzira yekudzidza yevadzidzi.Izvi zvinowanikwa nekuisa uye kugadzira zviridzwa zvezviedzo izvi.Kushandiswa kwezviridzwa zvinofananidzwa zvakananga nenzira dzechinyakare dzekudzidzisa murabhoritari, uye hwaro hwekuvandudzwa kwemaitiro ese ari maviri anokurukurwa.Basa rekare richishandisa kudzidza kwakabatsirwa nekombuta (CBL) mumapurojekiti akafanana ane chekuita nebasa iri rakashandiswa kuongorora mamwe mabhenefiti ezviridzwa, kunyanya izvo zvine chekuita nekuwedzera kufarira kwevadzidzi, kuchengetedza ndangariro, kunzwisisa, uye pakupedzisira kushuma lab..mabhenefiti anoenderana.Kuedza chaiko kwakurukurwa muchidzidzo chino ivhezheni yakadzokororwa yekuedza kwemaitiro echinyakare uye nokudaro inopa kuenzanisa kwakananga kwehunyanzvi hutsva hweCBL nerabhoritari yechinyakare.Hapana mutsauko wepfungwa pakati peshanduro mbiri dzekuyedza, mutsauko chete uri munzira yaunoratidzwa.Kubudirira kweidzi nzira dzeCBL kwakaongororwa nekucherechedza mashandiro evadzidzi vachishandisa chiridzwa chaicho zvichienzaniswa nevamwe vadzidzi mukirasi imwe chete vachiita maitiro ekuedza echinyakare.Vadzidzi vese vanoongororwa nekutumira mishumo, mibvunzo yakawanda yesarudzo ine chekuita nekuedza kwavo uye mibvunzo.Zvakabuda muongororo iyi zvakaenzaniswawo nezvimwe zvidzidzo zvine hukama mumunda weCBL.
Nguva yekutumira: Feb-19-2023