Effect of Mn on microstructure and corrosion properties of extruded Mg-1% Zn alloy

被引：1
|
作者：
Zhang, Z. M. [1 ,2 ]
Ma, Y. [1 ]
Xi, Z. Z. [1 ,2 ]
Xu, C. J. [1 ]
Lv, Z. L. [1 ]
机构：
[1] Xian Univ Technol, Sch Mat Sci & Engn, Key Lab Elect Mat & Infiltrat Technol Shaanxi Pro, Xian 710048, Peoples R China
[2] Xian Technol Univ, Sch Mat & Chem Engn, Shaanxi Key Lab Optoelect Funct Mat & Devices, Xian 710032, Peoples R China
来源：
17TH IUMRS INTERNATIONAL CONFERENCE IN ASIA (IUMRS-ICA 2016) | 2017年 / 182卷
关键词：
IN-VITRO DEGRADATION; MECHANICAL-PROPERTIES; BIOCOMPATIBILITY;
D O I：
10.1088/1757-899X/182/1/012048
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The microstructure of the extruded Mg-1Zn alloy doped with different content of manganese was analyzed by optical microscopy, scanning electron microscopy with energy dispersive X-ray spectroscopy and X-ray diffractometry. The mass-loss immersion method and electrochemical test were used to evaluate the corrosion properties. The results show that the microstructure of the extruded Mg-1% Zn-x% Mn (mass fraction, x=0.4, 0.8, 1.2) alloys consists of alpha-Mg and alpha-Mn, the grain size of alpha-Mg decreases with increasing Mn content. Electrochemical corrosion behavior of the alloys is similar. Mn has considerable effect on the corrosion rate, the corrosion process is exacerbated by the galvanic corrosion occurred at interface between alpha-Mg and alpha-Mn. The corrosion rate increases as the Mn content increases. Mg-1% Zn-0.4% Mn alloy exhibits the best corrosion resistance between the Mg-1% Zn-x% Mn alloys
引用
收藏
页数：9
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