Some Mechanical Properties of Experimental Mg-Al-RE-Mn Magnesium Alloys

被引：15

作者：

Braszczynska-Malik, K. N. ^{[1
]}

机构：

[1] Czestochowa Tech Univ, Inst Mat Engn, Al Armii Krajowej 19, PL-42200 Czestochowa, Poland

来源：

ARCHIVES OF FOUNDRY ENGINEERING | 2014年 / 14卷 / 01期

关键词：

Magnesium alloy; Aluminum; Rare earth elements; Mechanical properties;

D O I：

10.2478/afe-2014-0003

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The results of some mechanical properties of four Mg-5Al-xRE-0.4Mn (x = 1 - 5) alloys are presented. The microstructure of experimental alloys consisted of an alpha-Mg phase and an alpha+gamma semi-divorced eutectic, Al11RE3 phase and an Al10RE2Mn7 intermetallic compound. For gravity casting in metal mould alloys, Brinell hardness, impact strength, tensile and compression properties at ambient temperature were determined. The performed mechanical tests allowed the author to determine the proportional influence of the mass fraction of rare earth elements in the alloys on their tensile strength, yield strength, compression strength and Brinell hardness. The impact strength of the alloys slightly decreases with a rise in the rare earth elements mass fraction.

引用

页码：13 / 16

页数：4

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