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Elsevier, Journal of Alloys and Compounds, 1-2(458), p. 390-393

DOI: 10.1016/j.jallcom.2007.03.114

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Cu-based bulk amorphous alloy with larger glass-forming ability and supercooled liquid region

Journal article published in 2008 by H. M. Fu, H. F. Zhang, H. Wang ORCID, Z. Q. Hu
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This paper is available in a repository.

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Abstract

The glassy rod with a maximum sample thickness of I I mm and larger supercooled liquid region of 108 K was successfully fabricated when substituting Cu with minor amount of Ag in the Cu-Zr-Al-Gd alloy system. The value of gamma reaches a maximum of 0.418 for the Cu45.5Zr45Al7Gd2Ag0.5 bulk metallic glass (BMG) alloy. The high glass-forming ability (GFA) and larger supercooled liquid region are discussed from atomic size, negative mixing heat among constituent elements and thermodynamics. (c) 2007 Elsevier B.V. All rights reserved.