The effect of Nd substitution for mischmetal on creep performance of Mg-2.5 RE-0.35 Zn-0.3 Mn-0.03 Zr alloy

被引：7

作者：

Fanjul, FV ^{[1
]}

Srimanosaowapak, S ^{[1
]}

McNee, KR ^{[1
]}

Greenwood, GW ^{[1
]}

Jones, H ^{[1
]}

机构：

[1] Univ Sheffield, Dept Engn Mat, Sheffield S1 3JD, S Yorkshire, England

来源：

ZEITSCHRIFT FUR METALLKUNDE | 2003年 / 94卷 / 01期

关键词：

creep performance; magnesium alloys; substitution in alloying;

D O I：

10.3139/146.030025

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Creep of three chill cast alloys based on the composition Mg-2.5RE-0.35Zn-0.3Mn-0.03Zr:(wt.%) with partial or complete substitution of Nd for Ce mischmetal has been investigated for the stress range 50-90 MPa and temperature range 150-240degreesC. The Nd substitution reduces the creep rate by factors as high as 8 for the conditions studied and stress to produce 0.1 % strain in 100 h matches reported results for A380 aluminium alloy at temperatures near 200 degreesC. The possible origins of this improvement in performance are discussed.

引用

页码：25 / 29

页数：5

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