尹冬松,张二林,曾松岩

• 1:哈尔滨工业大学材料科学与工程学院
• 2:中国科学院金属研究所

摘要(Abstract)：

研究了铸态和挤压态Mg-Mn-Zn合金的微观组织、力学性能和在模拟人体体液中的腐蚀行为。结果表明:铸态Mg-Mn-Zn合金的平均晶粒尺寸为300μm;而挤压后Mg-Mn-Zn合金的平均晶粒尺寸降低为9μm。挤压态与铸态Mg-Mn-Zn合金相比,抗拉强度由174.5MPa提高到280.2MPa,屈服强度由43.6MPa提高到246.5MPa,伸长率达到21.6%。铸态Mg-Mn-Zn合金断口呈脆性断裂,挤压态合金为韧性断裂。挤压态Mg-Mn-Zn合金的耐蚀性能也明显高于铸态Mg-Mn-Zn合金。

关键词(KeyWords)： 镁合金;挤压;力学性能;模拟体液;腐蚀

Abstract:

Keywords:

基金项目(Foundation): 中科院“百人计划项目”,“医用金属植入材料”(AM07-YC13)

作者(Author): 尹冬松,张二林,曾松岩

参考文献(References)：

• [1]Cahn R W.非铁合金的结构与性能[M].丁道云,等译.北京:科学出版社,1999.
• [2]Mordike B L,Ebert T.Magnesium properties,applications,potential[J].Materials Science and Engineering A,2001,302:37-45.
• [3]陈振华.镁合金[M].北京:化学工业出版社,2004.
• [4]Witte F,Fischer J,Nellesen J,et al.In vitro and in vivo corrosion measurements of magnesium alloys[J].Biomaterials,2006,27(7):1013-1018.
• [5]Mark P S,Alexis M P,Jerawala H,et al.Magnesium and its alloys as orthopedic biomaterials:A review[J].Biomaterials,2006,27(9):1728-1734.
• [6]Liu C L,Xin Y C,Tang G Y,et al.Influence of heat treatment on degradation behavior of bio-degradable die-cast AZ63 magnesium alloy in simulated bodyfluid[J].Materials Science and Engineering A,2006,456(1):350-357.
• [7]左禹,黄建中.材料的耐蚀性和腐蚀数据[M].北京:化学工业出版社,2002.
• [8]王益志.杂质对高纯镁合金耐蚀性的影响[J].铸造,2001,50(2):61-65.WANG Yi-zhi.Influence of impurities on the anticorrosion of high purity magnesium alloys[J].Foundry,2001,50(2):61-65.
• [9]翁康荣,赵红岩,周占霞,等.Si、Ca对Mg-2Mn变形镁合金组织和性能的影响[J].热加工工艺(铸锻版),2006,35(1):1-3.WENG Kang-rong,ZHAO Hong-yan,ZHOU Zhan-xia,et al.Influence of Si、Ca on mcrostructure and properties of Mg-2Mn Alloy[J].Hot WorkingTechnology(casting and forging),2006,35(1):1-3.
• [10]樊昱,吴国华,高洪涛,等.镁合金腐蚀的研究现状及发展趋势[J].铸造技术,2004,25(12):941-942.FAN Yu,WU Guo-hua,GAO Hong-tao,et al.Current state and development of research on the corrosion of magnesium alloys[J].Foundry Technology,2004,25(12):941-942.
• [11]李荣德,于海朋,袁晓光.合金元素在压铸镁合金中的作用及研究现状[J].特种铸造及有色合金,2004,1:19-20.LI Rong-de,YU Hai-peng,YUAN Xiao-guang.The present research status and role of alloying elements in die-casting alloy[J].Special Casing&NonferrousAlloys,2004,1:19-20.
• [12]李冠群,吴国华,樊昱,等.主要合金元素对镁合金组织及耐蚀性能的影响[J].铸造技术,2006,27(1):81-82.LI Guan-qun,WU Guo-hua,FAN Yu,et al.Effect of the main alloying elements on microstructure an corrosion resistance of magnesium alloys[J].FoundryTechnology,2006,27(1):81-82.
• [13]庄晓娟,杨宏伟,庄明.六种茶叶中微量元素含量的调查及分析[J].内蒙古大学学报(自然科学版),2006,37(2):240-241.ZHUANG Xiao-juan,YANG Hong-wei,ZHUANG Ming.Investigation and analysis of trace element contents of six tea samples[J].Acta ScientiarumNaturalium Universitatis Nei Mongol,2006,37(2):240-241.
• [14]崔忠昕.金属学与热处理[M].北京:机械工业出版社,1993.
• [15]赵铭,郑启新,郭晓东,等.可降解生物材料聚乳酸-羟基乙酸仿生矿化的实验研究[J].中国生物医学工程学报,2005,22(2):148-149.ZHAO Ming,ZHENG Qi-xin,GUO Xiao-dong,et al.Study on biomimic mineralization of poly lactide-co-glycolide[J].Chinese Journal of BiomedicalEngineering,2005,22(2):148-149.

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