In vitro biodegradation testing of Mg-alloy EZK400 and manufacturing of implant prototypes using PM(powder metallurgy)methods

查看全文 作　　者：[1]M.Wolff;[1]M.Luczak;[1]J.G.Schaper;[1]B.Wiese;[2]M.Dahms;[1]T.Ebel;R.Willumeit-[1]Romer;[3]T.Klassen

机构地区：[1]Helmholtz-zentrum geesthacht gmbh,centre for materials and coastal research,institute of materials research,max-planck str.1,21502 geesthacht,germany;[2]flensburg university of applied sciences,hochschule flensburg,kanzleistr.91-93,24943 flensburg,germany;[3]helmut schmidt university,university of federal armed forces hamburg,22039 hamburg,germany

出　　处：《Bioactive Materials》索引2018年第3卷第3期,共5页

摘　　要：The study is focussing towards Metal Injection Moulding (MIM) of Mg-alloys for biomedical implantapplications. Especially the influence of the sintering processing necessary for the consolidation of thefinished part is in focus of this study. In doing so, the chosen high strength EZK400 Mg-alloy powdermaterial was sintered using different sintering support bottom plate materials to evaluate the possibilityof iron impurity pick up during sintering. It can be shown that iron pick up took place from the steelbottom plate into the specimen. Despite the fact that a separating boron nitrite (BN) barrier layer wasused and the Mg-Fe phase diagram is not predicting any significant solubility to each other. As a result ofthis study a new bottom plate material not harming the sintering and the biodegradation performance ofthe as sintered material, namely a carbon plate material, was found. 关键词：MAGNESIUM Mg alloy SINTERING MIM Powder metallurgy Biodegradable implant EZK400

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In vitro biodegradation testing of Mg-alloy EZK400 and manufacturing of implant prototypes using PM(powder metallurgy)methods

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