正在加载图片...
,1126, 北京科技大学学报 第33卷 物活性等研究也正在评价, [5]FerrandiniP L Canloso F F.Souza SA.et al Aging response of the Ti35Nb-7Zr5Ta and Ti35Nb7Ta albys J Alloys Comnpd 3结论 2007,433(12):207 [6]Munuera C Matzelle T R.K muse N.etal Surface elastic proper (1)以添加质量分数7.5%大颗粒结晶Mo粉 ties ofTialbysmodified formedical implant a fome spectmscopy 经振动球磨获得的TiMo混合粉末为原料,采用凝 shidy Acta Bimater 2007.3(1):113 胶注模成形工艺制备了多孔T一7.5Mo合金,合金 [7]Endres S W ilke M.Knoll P.et al Correlation of in vitro and in 由分布均匀的α一T基体和B-T组成 vivo esults of vacuum plasma sprayed titanim mplants w ith differ ent surface topogmphy J Mater SciMater Med 2008 19(3): (2)随着预混液浓度的增加,合金的孔隙率增 1117 加,孔隙的分布趋于均匀,随着固相含量的升高,合 [8]Chu CL Chung C Y.Lin PH.etal Fabrication of pomus Nifi 金的孔隙率逐渐降低,多孔Ti7.5Mo合金的孔隙 shape maory alloy for hand tissue iplants by cambustion synthe- 率为39.15%~45.97%,孔径为598m孔隙呈 sis Mater Sci Eng A 2004.366(1):114 [9]TmainiT ManganoC SanmonsR L etal Direct lasermetalsn- 三维通孔结构, tering as a new appmoach to fabrication of an isoelastic finctionally (3)随固相含量从31%(体积分数)增加到 graded material formanufacture of pomus titanim den tal iplants 35%(体积分数),多孔Ti7.5Mo合金的弯曲强度 DentMater200824(11):1525 从89.64MPa提高到125.34MPa压缩强度从 [10]Bandyopadhyay A.K rishna B V.Xue W.et al Application of 142MP升高到258MPa弹性模量从11GPa升高到 laser engineered net shaping (LENS)o manufachre pomus and fiunctionally gmaded stmuctures for load bearing iplants J Mater 18GPa相同成形工艺下与纯钛(压缩强度 SciMater Med 2009 20(Supple 1):$29 158.6MPa弹性模量8.5GPa)相比有了明显的改 [11]Bandyopadhyay A.Espana F.Balla VK.et al Infhence of po- 善.对孔隙率在39%~46%范围的多孔Ti7.5Mo rosity on mechanical pmoperties and in vivo mesponse of TA HV 合金,随着孔隙率的增加,其压缩强度和弹性模量呈 iplants Acta Bicma ter 2010.6(4):1640 线性关系降低,且弹性模量比压缩强度对孔隙率更 [12]K rishna B V.Bose S Bandyopadhyay A.Low stiffness pomus Ti stmuctures for bad bearing iplants Acta Bicma ter 2007,3(6): 敏感 997 [13]Harrysson O L A.Cansizogh O.Marcellin-Litte D J etal Di 参考文献 rectmetal fabrication of titanim mplants w ith tailored malerials and mechanical pmperties using ekctron bea melting technob- [1]Uchida M.Oyane A.K in H M.etal Bimm metic coating of lmi gy Mater Sci Eng C 2008 28(3):366 nin apatite composite on titan im metal and its excellent cell adhe- [14]Heinl B MuillerL Komer C et al Cellhr Ti6AMV stmuc- sive properties Adv Mater 2004.16(13):1071 tumes with interconnected macm porosity for bone inplants fbri [2]Okazaki Y.Rao S TateishiT et al Cytocompatbility of various cated by selective eletmon bean melting Acta Bimmater 2008 4 metal and development of new titanim alloys for medical in- (5):1536 plants Mater Sci Eng A 1998 243(1/2):250 [15]LiY.GuoZ M.Hao JJ On gekasting ofmedical pomus titani [3]Delvat E Godin D M.GbriantT et al Micmostuctum me- im iplnts Powder Metall Ind 2008 18(1):10 chanical pmoperties and cytocampatbility of stable beta TiMo-Ta (李艳,郭志猛,郁俊杰,医用多孔钛植入材料凝胶注模成 sintered alloys J Mech Bchav B imed Mater 2008 1(4):345 形工艺研究.粉末冶金工业,200818(1):10) [4]Lin D J Chuang C C ChemLin JH.et al Bone fomation at [16]LiY.GuoZM.Hao JJ etal Pomsity and mechanicalproper the surfce of bw moduls Ti7.5Mo mplants in rabbit fonur ties of pomous titanim fabricated by geleasting RareMet 2008 B immaterials2007,28(16):2582 27(3):282北 京 科 技 大 学 学 报 第 33卷 物活性等研究也正在评价. 3 结论 (1) 以添加质量分数 7∙5%大颗粒结晶 Mo粉 经振动球磨获得的 Ti--Mo混合粉末为原料‚采用凝 胶注模成形工艺制备了多孔 Ti--7∙5Mo合金‚合金 由分布均匀的 α--Ti基体和 β--Ti组成. (2) 随着预混液浓度的增加‚合金的孔隙率增 加‚孔隙的分布趋于均匀.随着固相含量的升高‚合 金的孔隙率逐渐降低.多孔 Ti--7∙5Mo合金的孔隙 率为 39∙15% ~45∙97%‚孔径为 5~98μm‚孔隙呈 三维通孔结构. (3) 随固相含量从 31% (体积分数 )增加到 35% (体积分数 )‚多孔 Ti--7∙5Mo合金的弯曲强度 从 89∙64MPa提 高 到 125∙34MPa‚压 缩 强 度 从 142MPa升高到 258MPa‚弹性模量从 11GPa升高到 18GPa‚相 同 成 形 工 艺 下 与 纯 钛 (压 缩 强 度 158∙6MPa‚弹性模量 8∙5GPa)相比有了明显的改 善.对孔隙率在 39% ~46%范围的多孔 Ti--7∙5Mo 合金‚随着孔隙率的增加‚其压缩强度和弹性模量呈 线性关系降低‚且弹性模量比压缩强度对孔隙率更 敏感. 参 考 文 献 [1] UchidaM‚OyaneA‚KimHM‚etal.Biomimeticcoatingoflami- nin-apatitecompositeontitaniummetalanditsexcellentcell-adhe- siveproperties.AdvMater‚2004‚16(13):1071 [2] OkazakiY‚RaoS‚TateishiT‚etal.Cytocompatibilityofvarious metalanddevelopmentofnew titanium alloysformedicalim- plants.MaterSciEngA‚1998‚243(1/2):250 [3] DelvatE‚GordinDM‚GloriantT‚etal.Microstructure‚me- chanicalpropertiesandcytocompatibilityofstablebetaTi-Mo-Ta sinteredalloys.JMechBehavBiomedMater‚2008‚1(4):345 [4] LinDJ‚ChuangCC‚Chern-LinJH‚etal.Boneformationat thesurfaceoflowmodulusTi-7∙5Moimplantsinrabbitfemur. Biomaterials‚2007‚28(16):2582 [5] FerrandiniPL‚CardosoFF‚SouzaSA‚etal.Agingresponseof theTi-35Nb-7Zr-5TaandTi-35Nb-7Taalloys.JAlloysCompd‚ 2007‚433(1/2):207 [6] MunueraC‚MatzelleTR‚KruseN‚etal.Surfaceelasticproper- tiesofTialloysmodifiedformedicalimplants:aforcespectroscopy study.ActaBiomater‚2007‚3(1):113 [7] EndresS‚WilkeM‚KnöllP‚etal.Correlationofinvitroandin vivoresultsofvacuumplasmasprayedtitaniumimplantswithdiffer- entsurfacetopography.JMaterSciMaterMed‚2008‚19(3): 1117 [8] ChuCL‚ChungCY‚LinPH‚etal.FabricationofporousNiTi shapememoryalloyforhardtissueimplantsbycombustionsynthe- sis.MaterSciEngA‚2004‚366(1):114 [9] TrainiT‚ManganoC‚SammonsRL‚etal.Directlasermetalsin- teringasanewapproachtofabricationofanisoelasticfunctionally gradedmaterialformanufactureofporoustitaniumdentalimplants. DentMater‚2008‚24(11):1525 [10] BandyopadhyayA‚KrishnaBV‚XueW‚etal.Applicationof laserengineerednetshaping(LENS) tomanufactureporousand functionallygradedstructuresforloadbearingimplants.JMater SciMaterMed‚2009‚20(Supple1):S29 [11] BandyopadhyayA‚EspanaF‚BallaVK‚etal.Influenceofpo- rosityonmechanicalpropertiesandinvivoresponseofTi6Al4V implants.ActaBiomater‚2010‚6(4):1640 [12] KrishnaBV‚BoseS‚BandyopadhyayA.LowstiffnessporousTi structuresforload-bearingimplants.ActaBiomater‚2007‚3(6): 997 [13] HarryssonOLA‚CansizogluO‚Marcellin-LittleDJ‚etal.Di- rectmetalfabricationoftitaniumimplantswithtailoredmaterials andmechanicalpropertiesusingelectronbeammeltingtechnolo- gy.MaterSciEngC‚2008‚28(3):366 [14] HeinlP‚MüllerL‚KörnerC‚etal.CellularTi-6Al-4Vstruc- tureswithinterconnectedmacroporosityforboneimplantsfabri- catedbyselectiveelectronbeammelting.ActaBiomater‚2008‚4 (5):1536 [15] LiY‚GuoZM‚HaoJJ.Ongelcastingofmedicalporoustitani- umimplants.PowderMetallInd‚2008‚18(1):10 (李艳‚郭志猛‚郝俊杰.医用多孔钛植入材料凝胶注模成 形工艺研究.粉末冶金工业‚2008‚18(1):10) [16] LiY‚GuoZM‚HaoJJ‚etal.Porosityandmechanicalproper- tiesofporoustitaniumfabricatedbygelcasting.RareMet‚2008‚ 27(3):282 ·1126·
<<向上翻页
©2008-现在 cucdc.com 高等教育资讯网 版权所有