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
收藏
页码：377 / 386
页数：10
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