Creep resistant magnesium diecasting alloys based on alkaline earth elements

被引：92

作者：

Pekguleryuz, MO ^{[1
]}

Baril, E ^{[1
]}

机构：

[1] Noranda Technol Ctr, Pointe Claire, PQ H9R 1G5, Canada

来源：

MATERIALS TRANSACTIONS | 2001年 / 42卷 / 07期

关键词：

magnesium alloys; creep; diecasting; corrosion; tensile strength;

D O I：

10.2320/matertrans.42.1258

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The automotive use of magnesium is currently restricted to low-temperature structural components. Its use in elevated-temperature structural components such as transmission and engine parts requires the development of cost-effective alloys that can meet the elevated-temperature (150-175 degreesC) performance requirements of these components for strength and creep resistance. Rare-earth additions such as Ce Nd, Pr to Mg are known to improve the creep performance. An example of a rare-earth containing magnesium diecasting alloy with good creep resistance at 150 degreesC is the Mg-4Al-2 rare-earth alloy AE42. This paper discusses a new class of magnesium alloys containing alkaline earth elements such as Ca and Sr, which offers excellent creep performance.

引用

页码：1258 / 1267

页数：10

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