期刊
SCRIPTA MATERIALIA
卷 51, 期 3, 页码 193-197出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2004.04.020
关键词
magnesium alloy; microstructure; high temperature stability; transmission electron microscopy
In the Mg-Zn system it has been shown that the addition of trace amounts of Ca can have a substantial positive influence on the precipitation process during artificial ageing. The microstructure of the modified alloy is more complex and has a much refined precipitate structure that is very stable for prolonged periods at elevated temperatures (less than or equal to 450 K), leading to a significant improvement in creep resistance. Crown Copyright (C) 2004 Published by Elsevier Ltd. on behalf of Acta Materialia Inc. All rights reserved.
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