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1、单位代码02学号1101180016分类号TH6密级毕业论文医用镁合金微管的拉拔工艺研究及拉拔模具的设计院(系)名称工学院机械系专业名称材料成型及控制工程学生姓名指导教师2015年5月15日黄河科技学院毕业设计说明书第I页医用镁合金微管的拉拔工艺研究及拉拔模具的设计摘要根据成形工艺的不同,可以将镁合金材料大致分为变形及铸造镁合金两大类。铸造主要通过铸造加工满足镁合金产品。镁合金微管在合金结构中的地位很重要,因为它的作用很广泛,比如可替代铝合金和其他金属薄壁件,从而达到节省资源和降低重量的目的。目前己涉及的领域有摩托车工业、家用电器、纺织印刷、通讯、电子、航空、航天、汽车、包装、军工以及医学
2、介入治疗等行业。目前,针对医用镁合金微管的应用研究基本上集中于心血管支架。本文以生物可降解镁合金血管支架用薄壁微管加工为背景,根据镁合金优良的材料力学性能和加工性能,对其进行了拉拔成形工艺研究和拉拔模具设计。关键词:镁合金,微管,生物可降解,生物相容性,拉拔黄河科技学院毕业设计说明书第II页ResearchonDrawingProcessandDrawingDieDesignofMedicalMagnesiumAlloyCapillary(Tube)eAbstractAccordingtodifferentformingprocess,themagnesiumalloymaterialis
3、mainlydividedintotwocategories:castingmagnesiumalloyandmagnesiumalloy.Theformermainlythroughthecastingformagnesiumalloyproducts.Includesandcasting,permanentmoldcasting,investmentcasting,lostfoamcasting,diecasting,etc.Thediecastingisthemostmatureandmostwidelyusedtechnology.Magnesiumalloymicrotubule
4、isakindofimportantmagnesiumalloystructuralparts.Itcanbeusedasanalternativetoaluminumalloyandothermetalthinpieces,andtoachieveweightloss,energysavingeffect.Atpresent,Ithasbeenwidelyusedincommunications,electronics,aviation,aerospace,automotive,motorcycleindustry,householdelectricalappliances,textil
5、eprinting,packaging,militaryandmedicalinterventiontreatmentindustry.Todate,Medicalmagnesiumalloycapillary’sresearchfocusedoncardiovascularstents.Itwasbasedontheminitubemanufacturingprocessforbiodegradablemagnesiumcoronarystents.Themagnesiumalloymaterialwithexcellentmechanicalpropertiesandprocessin
6、gperformance,hascarriedonthestudyontheformingprocessanddrawingdiedesign.Keywords:MagnesiumAlloy,Microtubule,Biodegradable,Biocompatibility,Drawing目录黄河科技学院毕业设计说明书第III页1绪论·································································································································
7、·········11.1引言·······························································································································11.2生物支架用微管材料·························································