Influence of minor alloying additions on the glass-forming ability of Mg-Ni-La bulk metallic glasses

被引：24

作者：

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

Figueroa, I. A. ^{[2
]}

Todd, I. ^{[2
]}

机构：

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

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

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2009年 / 484卷 / 1-2期

关键词：

Bulk metallic glass; Mg-based alloy; Oxide; PLASTICITY; THICKNESS; ND;

D O I：

10.1016/j.jallcom.2009.05.002

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：

Bulk metallic glasses of Mg60Ni23.6YxLa(16.4-x) and Mg65Ni20YxLaMM(15-x) with 0 <= x <= 1 at.% have been produced by injection casting. For the La-containing alloy a maximum amorphous diameter of 4 mm for x = 0.5 and 0.75 was obtained. The LaMM-containing alloy showed a maximum amorphous diameter of 2 mm for x = 0 and 0.25 but decreased to 1 mm with further Y additions. The glass-forming ability of the Mg60Ni23.6La16.4 alloy decreased when La is partially substituted by small amounts of small atoms (Si or B) or by large atoms (Y and Si). (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：612 / 618

页数：7

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