Effect of mischmetal substitution on the glass-forming ability of Mg-Ni-La bulk metallic glasses

被引：14

作者：

Gonzalez, S. ^{[1
,2
]}

Figueroa, I. A. ^{[3
]}

Zhao, H. ^{[4
]}

Davies, H. A. ^{[3
]}

Todd, I. ^{[3
]}

Adeva, P. ^{[2
]}

机构：

[1] Tohoku Univ, WPI Adv Inst Mat Res, Aoba Ku, Sendai, Miyagi 9808577, Japan

[2] CSIC, Natl Ctr Met Res, E-28040 Madrid, Spain

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

[4] Ningxia Orient Tantalum Ind Co Ltd, Ningxia 753000, Peoples R China

来源：

INTERMETALLICS | 2009年 / 17卷 / 11期

关键词：

Glasses; metallic; Phase diagrams; AMORPHOUS-ALLOYS; SUPERCOOLED LIQUID; AIR;

D O I：

10.1016/j.intermet.2009.04.012

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The effect of La substitution by LaMM (lanthanum mischmetal) on the glass-forming ability of a Mg-Ni-La metallic glass has been studied. For compositions close to the eutectic Mg69Ni18La13, the LaMM substitution improved the glass-forming ability. for instance up to a critical amorphous diameter of 2 mm for the Mg65Ni20LaMM15 alloy. However, of all the alloys studied, it has been observed that La-containing alloys have higher GFA for compositions further from the eutectic and a maximum critical amorphous diameter of 2.5 mm was obtained for the Mg60Ni23.6La16.4 alloy. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：968 / 971

页数：4

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