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Mechanical Properties of Zr-Al-Cu-Ni Alloy Glass at Different Quenching Condition

Published online by Cambridge University Press:  10 February 2011

H. Yabe ,
R. Toyoshima ,
Y. Hiraiwa ,
K. Oguri ,
Y. Miyazawa  and
Y. Nishi
H. Yabe
Affiliation:
Department of Materials Science, Tokai University, 1117 Kita-kaname, Hiratsuka, Kanagawa, 259–1292 JAPAN, [email protected]
R. Toyoshima
Affiliation:
Department of Materials Science, Tokai University, 1117 Kita-kaname, Hiratsuka, Kanagawa, 259–1292 JAPAN, [email protected]
Y. Hiraiwa
Affiliation:
Department of Materials Science, Tokai University, 1117 Kita-kaname, Hiratsuka, Kanagawa, 259–1292 JAPAN, [email protected]
K. Oguri
Affiliation:
Department of Materials Science, Tokai University, 1117 Kita-kaname, Hiratsuka, Kanagawa, 259–1292 JAPAN, [email protected]
Y. Miyazawa
Affiliation:
Department of Materials Science, Tokai University, 1117 Kita-kaname, Hiratsuka, Kanagawa, 259–1292 JAPAN, [email protected]
Y. Nishi
Affiliation:
Department of Materials Science, Tokai University, 1117 Kita-kaname, Hiratsuka, Kanagawa, 259–1292 JAPAN, [email protected]
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Abstract

The samples of Zr56Al9Cu5Ni30 alloy were prepared by liquid-quenching. The mechanical properties depend on the cooling condition. The Hv value (25g load) is 580 for slow cooled rate sample, whereas the Hv value is over 800 for fast cooled sample. Since the fast cooling enhances the sample hardness, these samples become brittle. The brittleness is evaluated by the critical deformation energy (Ec) of collapse.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 554: Symposium MM – Bulk Metallic Glasses , 1998 , 149
Copyright
Copyright © Materials Research Society 1999

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