Thermal oxidation effect on corrosion behavior of Zr46Cu37.6Ag8.4Al8 bulk metallic glass

被引：13

作者：

Nie, X. P. ^{[1
,2
]}

Yang, X. H. ^{[3
]}

Ma, Y. ^{[1
,2
]}

Chen, L. Y. ^{[1
,2
]}

Yeap, K. B. ^{[4
]}

Zeng, K. Y. ^{[4
]}

Li, D. ^{[5
]}

Pan, J. S. ^{[5
]}

Wang, X. D. ^{[1
,2
]}

Cao, Q. P. ^{[1
,2
]}

Ding, S. Q. ^{[1
,2
]}

Jiang, J. Z. ^{[1
,2
,6
]}

机构：

[1] Zhejiang Univ, LNSM, Dept Mat Sci & Engn, Hangzhou 310027, Zhejiang, Peoples R China

[2] Zhejiang Univ, ICNSM, Hangzhou 310027, Zhejiang, Peoples R China

[3] Jinhua Coll Profess & Technol, Jinhua 321007, Zhejiang, Peoples R China

[4] Natl Univ Singapore, Dept Mech Engn, Singapore 117675, Singapore

[5] ASTAR, Inst Mat Res & Engn, Singapore 117602, Singapore

[6] Hefei Univ Technol, Sch Mat Sci & Engn, Hefei 23009, Peoples R China

来源：

INTERMETALLICS | 2012年 / 22卷

基金：

中国国家自然科学基金;

关键词：

Intermetallics; miscellaneous; Corrosion; Oxidation; Corrosion behavior; Electron microscopy; scanning; RESISTANCE;

D O I：

10.1016/j.intermet.2011.10.013

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Oxide films of 0.72 mu m and 1.80 mu m were prepared by thermal oxidation treatments at 441 K and 609 K respectively. The oxidation kinetics of the Zr46Cu37.6Ag8.4Al8 bulk metallic glass has been investigated. The outermost surface of the oxide film formed at 609 k is Cu2O and Al2O3-enriched but ZrO2-depleted. A ZrO2-enriched oxide layer is detected existing at 150-260 nm of the oxide film. The surface oxidation state sheds great influence on the corrosion behavior of Zr-based BMG. The oxide film can hinder the initial electro-dissolution processes during polarization in 0.5 M H2SO4 + 0.01 M NaCl solution. The special structure and composition distribution of the oxide film lead to the modification of the BMG's corrosion behavior. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：84 / 91

页数：8

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