外文翻译(英文)电泳堆积法生物合金外表磷酸钙涂层制备
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外文翻译(英文)电泳堆积法生物合金外表磷酸钙涂层制备
时间: 2025-08-16 06:18:34 |   作者: ayx爱游戏体育网页版入口
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  Trans.NonferrousMet.Soc.China Oct.2005 VoL15 No. 5ArticleID:1003—6326(2005)05—0957—08Coatingofcalciumphosphateonbiometallicmaterialsbyelectrophoreticdeposition①ZHANGEr—lin(张二林),YANGKe(杨 柯 )(InstituteofMetalResearch。ChineseAcademyofSciences,Shenyang1100 1 6,China)Abstract:Althoughbiometallicmaterialshavebeenusedasboneimplantmaterialsforalongtime,theyarestill detectedasforeignbodiesbyhumanimmunesystem.Calciumphosphatecoating,especiallyhydr0xyapatite(HA)coatingattractsspecialattentionduetoitsgoodbiocompatibility.BeingoneoftheeffectivemethodsusedtodepositHAcoatingontothemetallicimplant,theelectrophoreticdeposition(EPD)wasreviewedindetail,includingtheprocessofEPD,theadvantagesanddisadvantages,theimportantprocessingfactorsandthemicrostructureandme—chanicalpropertiesofthecoating.ResearchresultsontheprocessingandthecoatingshowpotentialapplicationofEPDprocesstothebiomedicalmaterialssurfacemodification.Inaddition,thenanoparticulateHAcoatingasanewtrendinHAcoatingwasalsointroduced.Keywords:hydroxyapatitecoating;biomedical applicationelectrophoreticdepositionCLCnumber:TB391 INTRoDUCTIoNDocumentcode:AForalongtimetherepairofwear,tearanddiseaseonthehumanbonehasinvolvedtheuseofmaterialsthatwerenotoriginallydesignedforsuchapplication,e.g.stainless316steel。Co-alloyandTi一6Al一4Valloy.Thesematerialsareoftendetec—tedasforeignbodiesbythepatient’simmunesys—temandsometimesinteractwiththebodyinanun—desirablemanner.Intherecentyears,thereishugedevelopmentinbiomaterialsthatarespeciallydesignedtorepairandreconstructdamaged...

  Trans.NonferrousMet.Soc.China Oct.2005 VoL15 No. 5ArticleID:10036326(2005)05095708Coatingofcalciumphosphateonbiometallicmaterialsbyelectrophoreticdeposition①ZHANGErlin(张二林),YANGKe(杨 柯 )(InstituteofMetalResearch。ChineseAcademyofSciences,Shenyang1100 1 6,China)Abstract:Althoughbiometallicmaterialshavebeenusedasboneimplantmaterialsforalongtime,theyarestill detectedasforeignbodiesbyhumanimmunesystem.Calciumphosphatecoating,especiallyhydr0xyapatite(HA)coatingattractsspecialattentionduetoitsgoodbiocompatibility.BeingoneoftheeffectivemethodsusedtodepositHAcoatingontothemetallicimplant,theelectrophoreticdeposition(EPD)wasreviewedindetail,includingtheprocessofEPD,theadvantagesanddisadvantages,theimportantprocessingfactorsandthemicrostructureandmechanicalpropertiesofthecoating.ResearchresultsontheprocessingandthecoatingshowpotentialapplicationofEPDprocesstothebiomedicalmaterialssurfacemodification.Inaddition,thenanoparticulateHAcoatingasanewtrendinHAcoatingwasalsointroduced.Keywords:hydroxyapatitecoating;biomedical applicationelectrophoreticdepositionCLCnumber:TB391 INTRoDUCTIoNDocumentcode:AForalongtimetherepairofwear,tearanddiseaseonthehumanbonehasinvolvedtheuseofmaterialsthatwerenotoriginallydesignedforsuchapplication,e.g.stainless316steel。Co-alloyandTi一6Al一4Valloy.Thesematerialsareoftendetectedasforeignbodiesbythepatientsimmunesystemandsometimesinteractwiththebodyinanundesirablemanner.Intherecentyears,thereishugedevelopmentinbiomaterialsthatarespeciallydesignedtorepairandreconstructdamagedordiseasedpartsofthehumanbone[一 .Ontheotherhand,calciumphosphate,especiallyhydroxyapatite,Ca1o(PO4)6(OH)2,orHA,hasdemonstratedhighcompressivestrength,goodbiocompatibilityandosteoconductivitvandexcellentwearproperties.However,acomponentmadeofsolelyHAwasfoundtolackoftoughnessandtensilestrength,andcanfailcatastrophicaUy.Asaresult,HAcoatedtitaniumcomponents,whichcor nbinetheadvantagesofthemechanicalstrengthoftitaniummetalandthebioactivityofHA。aredevelopedandreckonedtobeoneofthemostpromisinggroupsofimplantmaterialsinorthopedicanddentalfields. ManyprocesseshavebeendevelopedtocoatHAontothetitaniumsubstrate.suchasplasmaspray[4'引,ionbeamsputtering[,solgelc,ionbeamdynamic mixing[ , dippingI9], electrophoreticdepositionc。一 .biomimeticc14]andelectrochemicaldeposition[ .Fig.1showsthetypicalthicknessofHAcoatingproducedbydifferentprocesses.ThemostwidelyusedcoatingtechniqueforapplyingHAponmetalsubstratesisplasmaspraying,whichhasbeenusedasacommercialprocessingtechnique. However, theplasma-spraying technique presents several drawbacks/。⋯.Manyresearchersarefocusingondevelopingalowcost,highefficiencyandlowter nperatureprocess.AsoneoftheeffectivemethodstodepositHAcoating,theelectrophoreticdepositlonhasshownmoreadvantagesoverplasmasprayandmorepotentialinboneimplantapplication.Heretheelectrophoreticdeposition,focusingontheapplicationtotheHAcoatingwasreviewed.2CALCIUMPHoSPHATECoATING2.1CalciumphosphateThemostcommonapatitecalci umphosphateceramicusedinmedicineishydroxyapatite(HA),amaterialwithahexagonalcrystallattice。anidealchemicalformulaCaIo(PO4)6(OH)2,idealmassfractionof39.9 Ca,18.5Pand3.38OHandidealcalcium/phosphateratioof1.67c .Mostsynthetichydroxyapatitesactuallycontainsubstitutionsforthephosphateand/orhydroxylgroupsandvaryfromtheidealstoichiometryandcalcium/phosphorusratios. ① Foundationitem:Project(AM07一YC13)supportbytheInstituteofMetalResearch(IMR),ChineseAcademyofSciences(CAS).Shen-yang,ChinaReceiveddate:20050321;Accepte ddate:2005531Correspondence:ZHANGEr-lin,Professor,PhD,Tel:+862423971605;Fax:+862483978616;Email:zhang_ erlin2000@yahoo.corn维普资讯