The early stage oxidation and evaporation of Mg-9%Al-1%Zn alloy

被引：108

作者：

Czerwinski, F ^{[1
]}

机构：

[1] Hysky Inject Molding Syst Ltd, Dev Engn, Bolton, ON L7E 5S5, Canada

来源：

CORROSION SCIENCE | 2004年 / 46卷 / 02期

关键词：

magnesium alloys; AZ91D; oxidation; MgO; beryllium; thixomading;

D O I：

10.1016/S0010-938X(03)00151-3

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Thermogravimetric technique was used to determine the oxidation and evaporation behaviour of AZ91D magnesium alloys with 5 and 10 ppm of beryllium at temperatures between 200 and 500 degreesC. Depending on temperature and time, the alloy experienced protective or non-protective oxidation with linear or accelerated oxide growth kinetics. During reaction in an oxidizing atmosphere, the additions of beryllium delayed the transient from the protective to non-protective scale formation. In an inert atmosphere, increased beryllium contents reduced the magnesium evaporation rate. (C) 2003 Elsevier Ltd. All rights reserved.

引用

页码：377 / 386

页数：10

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