杨树杰,张洁,刘清华,王钰,邹俊波,章晓波

• 1:南京工程学院材料工程学院
• 2:江苏省先进结构材料与应用技术重点实验室

摘要(Abstract)：

为研究热处理对生物镁合金摩擦磨损性能的作用规律,对铸态Mg-6Gd-0.5Zn-0.4Zr(GZ60K)镁合金进行了固溶处理(T4)和固溶+时效处理(T6)。利用显微硬度计测试了合金的硬度,采用球盘式摩擦试验机测试了合金的摩擦磨损性能,利用SEM观察了合金的组织和磨损形貌,并结合EDS分析了微区化学成分。结果表明:与铸态相比,合金经过T4、T6热处理后显微硬度和摩擦系数变化均不明显,磨损率分别上升了28%和88%。不同状态下合金的主要磨损机制不同,该合金的耐磨性与硬度和摩擦系数无直接关系,主要受磨损形式的影响。

关键词(KeyWords)： 热处理;镁合金;摩擦系数;磨损率

Abstract:

Keywords:

基金项目(Foundation): 江苏省优秀青年基金(BK20160081);; 江苏省先进结构材料与应用技术重点实验室开放基金(ASMA201503);; 江苏省大学生创新创业训练计划(201611276003Z);; 南京工程学院大学生科技创新项目(TB20160233,TZ20160004)

作者(Author): 杨树杰,张洁,刘清华,王钰,邹俊波,章晓波

DOI: 10.13289/j.issn.1009-6264.2016-X186

参考文献(References)：

• [1]Kirkland N.Magnesium biomaterials:past,present and future[J].Corrosion Engineering,Science and Technology,2012,47(5):322-328.
• [2]Seyedraoufi Z S,Mirdamadi S.Synthesis,microstructure and mechanical properties of porous Mg-Zn scaffolds[J].Journal of the Mechanical Behavior of Biomedical Materials,2013,21:1-8.
• [3]殷俏,章晓波,王章忠,等.固溶温度对Mg-2Nd-2Gd-0.3Sr-0.2Zn-0.4Zr镁合金腐蚀性能的影响[J].材料热处理学报,2016,37(1):133-137.YIN Qiao,ZHANG Xiao-bo,WANG Zhang-zhong,et al.Effects of solution temperature on corrosion properties of Mg-2Nd-2Gd-0.3Sr-0.2Zn-0.4Zr magnesium alloy[J].Transactions of Materials and Heat Treatment,2016,37(1):133-137.
• [4]Han H S,Kim Y Y,Kim Y C,et al.Bone formation within the vicinity of biodegradable magnesium alloy implant in a rat femur model[J].Metals and Materials International,2012,18(2):243-247.
• [5]Wong H M,Yeung K W K,Lam K O,et al.A biodegradable polymer-based coating to control the performance of magnesium alloy orthopaedic implants[J].Biomaterials,2010,31(8):2084-2096.
• [6]Zhen Z,Liu X,Huang T,et al.Hemolysis and cytotoxicity mechanisms of biodegradable magnesium and its alloys[J].Materials Science and Engineering C,2015,46:202-206.
• [7]Kubasek J,Vojtech D.Structural and corrosion characterization of biodegradable Mg-RE(RE=Gd,Y,Nd)alloys[J].Transactions of Nonferrous Metals Society of China,2013,23(5):1215-1225.
• [8]赵虹,刘西伟,侯理达,等.医用镁合金生物降解行为研究进展[J].材料导报,2013,27(19):78-85.ZHAO Hong,LIU Xi-wei,HOU Li-da,et al.Research progress on biodegradation behavior of biomedical magnesium alloy[J].Materials Reviews,2013,27(19):78-85.
• [9]袁广银,章晓波,牛佳林,等.新型可降解生物医用镁合金JDBM的研究进展[J].中国有色金属学报,2011,21(10):174-186.YUAN Guang-yin,ZHANG Xiao-bo,NIU Jia-lin,et al.Research progress of new type of degradable biomedical magnesium alloys JDBM[J].The Chinese Journal of Nonferrous Metals,2011,21(10):174-186.
• [10]Zhang X,Wang Z,Yuan G,et al.Improvement of mechanical properties and corrosion resistance of biodegradable Mg-Nd-Zn-Zr alloys by double extrusion[J].Materials Science and Engineering B,2012,177(13):1113-1119.
• [11]刘林波,刘德宝,刘一驰,等.Mg-x%Zn-0.8%Zr合金腐蚀与磨损行为研究[J].稀有金属材料与工程,2014,43(s1):115-118.LIU Lin-bo,LIU De-bao,LIU Yi-chi,et al.Corrosion and wear behavior of Mg-x%Zn-0.8%Zr alloy[J].Rare Metal Materials and Engineering,2014,43(s1):115-118.
• [12]Liu D,Wu B,Wang X,et al.Corrosion and wear behavior of an Mg-2Zn-0.2Mn alloy in simulated body fluid[J].Rare Metals,2015,34(8):553-559.
• [13]Xie Z,Chen T,Chen Q,et al.Tribocorrosion behaviors of Al N/Mo S2-phenolic resin duplex coatings on nitrogen implanted magnesium alloys[J].Surface and Coatings Technology,2015,266:64-69.
• [14]Zhang X,Wu Y,Xue Y,et al.Biocorrosion behavior and cytotoxicity of a Mg-Gd-Zn-Zr alloy with long period stacking ordered structure[J].Materials Letters,2012,86:42-45.
• [15]Zhang X,Ba Z,Wang Z,et al.Microstructures and corrosion behavior of biodegradable Mg-6Gd-x Zn-0.4Zr alloys with and without long period stacking ordered structure[J].Corrosion Science,2016,105:68-77.
• [16]Taltavull C,Rodrigo P,Torres B,et al.Dry sliding wear behavior of AM50B magnesium alloy[J].Materials&Design,2014,56:549-556.
• [17]曾小勤,吴玉娟,彭立明,等.Mg-Gd-Zn-Zr合金中的LPSO结构和时效相[J].金属学报,2010,46(9):1041-1046.ZENG Xiao-qin,WU Yu-juan,PENG Li-ming,et al.LPSO structure and aging phases in Mg-Gd-Zn-Zr alloy[J].Acta Metallurgica Sinica,2010,46(9):1041-1046.
• [18]Hu Y B,Juan D,Chong Z,et al.Microstructure and mechanical properties of as-quenched Mg-Gd-Zr alloys[J].Transactions of Nonferrous Metals Society of China,2011,21(4):732-738.
• [19]Lu F,Ma A,Jiang J,et al.Review on long-period stacking-ordered structures in Mg-Zn-RE alloys[J].Rare Metals,2012,31(3):303-310.
• [20]黄伟九,林强,郭源君,等.热处理对AS41镁合金显微组织及摩擦学性能的影响[J].材料热处理学报,2010,31(9):89-93.HUANG Wei-jiu,LIN Qiang,GUO Yuan-jun,et al.Effects of heat treatment on microstructure and tribological properties of AS41 magnesium alloy[J].Transactions of Materials and Heat Treatment,2010,31(9):89-93.

文章评论(Comment)：