Corrosion behavior of Mg-Mn-Ca alloy: Influences of Al, Sn and Zn

被引：89

作者：

Bahmani, Ahmad ^{[1
]}

Arthanari, Srinivasan ^{[1
]}

Shin, Kwang Seon ^{[1
]}

机构：

[1] Seoul Natl Univ, Magnesium Technol Innovat Ctr, Sch Mat Sci & Engn, 1 Gwanak Ro, Seoul 08826, South Korea

来源：

JOURNAL OF MAGNESIUM AND ALLOYS | 2019年 / 7卷 / 01期

基金：

新加坡国家研究基金会;

关键词：

Magnesium alloy; Extrusion; Corrosion rate; Volta-potential; Secondary phase; MECHANICAL-PROPERTIES; PURE MAGNESIUM; CRYSTALLOGRAPHIC ORIENTATION; MICROSTRUCTURE; RESISTANCE; EXTRUSION; X=1;

D O I：

10.1016/j.jma.2018.11.004

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The effects of different elements including Al, Sn and Zn with ability of solution hardening on corrosion behavior of a Mg alloy have been studied. The microstructure was analyzed and the electrochemical and immersion techniques were used for corrosion studies. Scanning kelvin probe force microscopy (SKPFM) was utilized to analyze the volta-potential distribution on the surface. It was found that all additives reduced the corrosion resistance; however, Zn decreased the corrosion resistance less than Al and Sn. The corrosion rate was quantitatively explained through volta-potential difference and the second phase fraction. (C) 2019 Published by Elsevier B.V. on behalf of Chongqing University.

引用

页码：38 / 46

页数：9

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