MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
Creep Resistant Magnesium Diecasting Alloys Based on Alkaline Earth Elements
Mihriban O. PekguleryuzEric Baril
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JOURNALS FREE ACCESS

2001 Volume 42 Issue 7 Pages 1258-1267

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Abstract

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°C) 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°C 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.

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© 2001 The Japan Institute of Metals and Materials
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