On the conditions for the synthesis of bulk metallic glasses by mechanical alloying

被引：25

作者：

Bhatt, Jadn ^{[1
]}

Murty, B. S. ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Met & Mat Engn, Madras 600036, Tamil Nadu, India

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2008年 / 459卷 / 1-2期

关键词：

mechanical alloying; metallic glasses; amorphisation;

D O I：

10.1016/j.jallcom.2007.04.242

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：

In the present study, an attempt has been made to develop milling maps/energy maps for the formation of amorphous phase in bulk glass forming alloys such as Zr65Al7.5Cu17.5Ni10, Ti50Cu23Ni20Sn7, Ti50Ni20Cu20Al10, Cu60Zr30Ti10, Fe56Co7Ni7Zr10B20, Ni60Nb20Ti12.5Zr7.5, Ti55Zr20Ni25 and Zr55Ti25Ni20. Milling parameters such as milling speed, ball to powder weight ratio have been varied over wide ranges in order to have a wide range of milling energies. The results indicate that total energy of milling has a decisive role than the impact energy of the ball in the formation of the amorphous phase by planetary ball mill. The paper compares the glass forming abilities of the various bulk glass forming compositions in terms of the milling maps in order to develop better understanding of glass forming criteria by mechanical alloying. (C) 2007 Elsevier B.V. All rights reserved.

引用

页码：135 / 141

页数：7

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