MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
ISSN-L : 1345-9678
Preparation of Cu36Zr48Ag8Al8 Bulk Metallic Glass with a Diameter of 25 mm by Copper Mold Casting
Qingsheng ZhangWei ZhangAkihisa Inoue
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2007 Volume 48 Issue 3 Pages 629-631

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Abstract

The Cu36Zr48Ag8Al8 alloy exhibits very high glass-forming ability. We have succeeded in synthesizing a Cu36Zr48Ag8Al8 bulk glassy alloy with a diameter of 25 mm using the conventional copper mold injection casting. The absence of a crystalline phase was confirmed by X-ray diffraction and differential scanning calorimetry examinations. The critical cooling rate for formation of a glassy phase for the Cu36Zr48Ag8Al8 alloy was estimated to be less than 6.4 K/s. High glass-forming ability and high strength might contribute to its commercial application for the Cu36Zr48Ag8Al8 bulk metallic glass.

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© 2007 The Japan Institute of Metals and Materials
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