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Formation and properties of Pr-based bulk metallic glasses

Published online by Cambridge University Press:  01 February 2006

Z.F. Zhao ,
P. Wen ,
R.J. Wang ,
D.Q. Zhao ,
M.X. Pan  and
W.H. Wang
Z.F. Zhao
Affiliation:
Institute of Physics, Chinese Academy of Sciences, Beijing 100080, People’s Republic of China
P. Wen
Affiliation:
Institute of Physics, Chinese Academy of Sciences, Beijing 100080, People’s Republic of China
R.J. Wang
Affiliation:
Institute of Physics, Chinese Academy of Sciences, Beijing 100080, People’s Republic of China
D.Q. Zhao
Affiliation:
Institute of Physics, Chinese Academy of Sciences, Beijing 100080, People’s Republic of China
M.X. Pan
Affiliation:
Institute of Physics, Chinese Academy of Sciences, Beijing 100080, People’s Republic of China
W.H. Wang*
Affiliation:
Institute of Physics, Chinese Academy of Sciences, Beijing 100080, People’s Republic of China
*
a)Address all correspondence to this author. e-mail: [email protected]
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Abstract

The data on the compositional dependence of glass-forming ability, glass transition, and properties of bulk metallic glasses (BMGs) are important for understanding the nature and glass-forming ability of metallic glasses and for their application. In this paper, we report the formation of rare-earth-based Pr–(Cu,Ni)–Al pseudo-ternary BMGs with a large bulk glass-forming composition range and distinct glass transition. The compositional dependence of glass-forming ability, glass transition, and properties were systematically studied. The contrasting effects of Al and Pr on glass formation and glass transition, unique elastic properties, and phonon softening of the BMGs are discussed from the structural point of view.

Keywords

AcousticElastic property
Type
Articles
Information
Journal of Materials Research , Volume 21 , Issue 2 , February 2006 , pp. 369 - 374
Copyright
Copyright © Materials Research Society 2006

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