单玉郎,文九巴,姚怀,贺俊光,雷少帆

• 1:河南科技大学材料科学与工程学院
• 2:有色金属共性技术河南省协同创新中心

摘要(Abstract)：

利用光学显微镜、扫描电镜及电化学工作站等设备对合金组织、电化学性能进行了表征,分析了固溶处理对Mg-0.5Zn-0.4Zr-5Gd(mass%)合金显微组织及腐蚀性能的影响。结果表明,固溶处理后,铸态组织中的析出相逐渐溶解,组织均匀,合金的力学性能得到提高,有效减小了基体和析出相之间电位差引起的电化学腐蚀,提高了合金的耐蚀性。合金经490℃固溶10 h后,抗拉强度为184.62 MPa,平均腐蚀速率为0.528 mm/a,其腐蚀电流密度和腐蚀电位分别为7.4μA/cm~2和-1.576 V,在研究范围内耐蚀性最好。

关键词(KeyWords)： 固溶处理;显微组织;腐蚀性能

Abstract:

Keywords:

基金项目(Foundation): 河南省“新型有色金属材料”高校科技创新团队支持计划(2012IRTSTHN008);; 河南省教育厅重点项目(15A430024)

作者(Author): 单玉郎,文九巴,姚怀,贺俊光,雷少帆

DOI: 10.13289/j.issn.1009-6264.2016.10.017

参考文献(References)：

• [1]Sayuri Yoshizawa,Amy Chaya,Kostas Verdelis,et al.An in vivo model to assess magnesium alloys and their biological effect on human bone marrow stromal cells[[J].Acta Biomaterialia,2015,28(2):234-239.
• [2]Lu F M,Ma A B,Jiang J H,et al.Formation of profuse long period stacking ordered microcells in Mg-Gd-Zn-Zr alloy during multipass ECAP process[J].Journal of Alloys and Compounds,2014,601(7):140-145.
• [3]Kaabi S,Falanhieh Asl,Nemeth S,et al.Electrophoretic deposition of hydroxyapatite coatings on AZ31 magnesium substrate for biodegradable implant applications[J].Progress in Crystal Growth and Characterization of Materials,2014,60(3):74-79.
• [4]ZHANG Xiao-bo,YUAN Guang-yin,MAO Lin,et al.Biocorrosion properties of as-extruded Mg-Nd-Zn-Zr alloy compared with commercial AZ31 and WE43 alloys[J].Materials Letters,2012,66(1):209-211.
• [5]张帆,毕广利,李元东,等.固溶处理对Mg-Dy-Zn合金显微组织和腐蚀性能的影响[J].材料热处理学报,2015,36(4):85-92.ZHANG Fan,BI Guang-li,LI Yuan-dong,et al.Effect of solution treatment on microstructure and corrosion properties of Mg-Dy-Zn alloy[J].Transactions of Materials and Heat Treatment,2015,36(4):85-92.
• [6]高亚丽,马广超,张海波,等.AZ91HP镁合金激光熔凝层的耐蚀性和生物相容性[J].材料热处理学报,2015,36(1):147-152.GAO Ya-li,MA Guang-chao,ZHANG Hai-bo,et al.Corrosion resistance and biocompatibility of AZ91HP alloy melted layer treated by laser[J].Transactions of Materials and Heat Treatment,2015,36(1):147-152.
• [7]谈春林.ZM61-0.5Ca0.4Nd合金组织和性能的优化研究[D].重庆:重庆大学,2014.
• [8]Srinivasan A,Blawert C,Huang Y,et al.Corrosion behavior of Mg-Gd-Zn based alloys in aqueous Na Cl solution[J].Journal of Magnesium and Alloys,2014,2(3):245-256.
• [9]李云,张普礼.固溶时间对Mg-4Zn-1Ca合金显微组织及腐蚀性能的影响[J].热加工工艺,2014,43(24):201-203.LI Yun,ZHANG Pu-li.Effects of solution time on microstructure and corrosive properties of Mg-4Zn-1Ca alloy[J].Hot Working Technology,2014,43(24):201-203.
• [10]郭青蔚,王桂生,郭庚辰.常用有色金属二元合金相图集[M].北京:化学工业出版社,2010
• [11]程丹丹,文九巴,贺俊光,等.固溶处理对Mg-Nd-Zn-Zr系合金生物腐蚀性能的影响[J].材料热处理学报,2015,36(1):36-41.CHENG Dan-dan,WEN Jiu-ba,HE Jun-guang,et al.Effects of solution treatment on biocorrosion properties of Mg-Nd-Zn-Zr magnesium alloy[J].Transactions of Materials and Heat Treatment,2015,36(1):36-41.
• [12]宋光铃.镁合金腐蚀与防护[M].北京:化学工业出版社,2006.

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