Glass-forming ability of Pd42.5Cu30Ni7.5P20 alloy with a low critical cooling rate of 0.067 K/s

被引：122

作者：

Nishiyama, N ^{[1
]}

Inoue, A

机构：

[1] Japan Sci & Technol Corp, Inoue Superliquid Glass Project, ERATO, Sendai, Miyagi 9820807, Japan

[2] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan

来源：

APPLIED PHYSICS LETTERS | 2002年 / 80卷 / 04期

关键词：

D O I：

10.1063/1.1445475

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We investigated the glass-forming ability of three Pd-Cu-Ni-P alloys with different compositions (Pd40Cu30Ni10P20, Pd42.5Cu27.5Ni10P20 and Pd42.5Cu30Ni7.5P20) under a continuous cooling condition. The lowest critical cooling rate for glass formation was determined to be 0.067 K/s for the Pd42.5Cu30Ni7.5P20 alloy. The melting behavior indicates that the 7.5% Ni alloy has the nearest eutectic composition of the three alloys. The exceptionally low critical cooling rate of below 0.1 K/s is attributed to the elimination of the primary crystallization that occurs due to off-eutectic composition. (C) 2002 American Institute of Physics.

引用

页码：568 / 570

页数：3

共 13 条

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