Fu, H. M. and Zhang, H. F. and Wang, H. and Hu, Z. Q. (2008) Cu-based bulk amorphous alloy with larger glass-forming ability and supercooled liquid region. Journal of Alloys and Compounds, 458 (1-2). pp. 390-393. ISSN 0925-8388
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Official URL: http://dx.doi.org/10.1016/j.jallcom.2007.03.114
Identification Number or DOI: doi: 10.1016/j.jallcom.2007.03.114
Abstract
The glassy rod with a maximum sample thickness of 11 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 γ 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.
| Item Type: | Article (Commonwealth Reporting Category C) |
|---|---|
| Uncontrolled Keywords: | atomic size; bulk metallic glass; glass-forming ability; supercooled liquid regions |
| Fields of Research (FOR2008): | 09 Engineering > 0912 Materials Engineering > 091206 Glass 03 Chemical Sciences > 0303 Macromolecular and Materials Chemistry > 030307 Theory and Design of Materials 03 Chemical Sciences > 0306 Physical Chemistry (incl. Structural) > 030602 Chemical Thermodynamics and Energetics ?? 912 ?? |
| Subjects: | UNSPECIFIED |
| Socio-Economic Objective (SEO2008): | E Expanding Knowledge > 97 Expanding Knowledge > 970109 Expanding Knowledge in Engineering |
| ID Code: | 15694 |
| Deposited By: | |
| Deposited On: | 14 Jan 2009 02:30 |
| Last Modified: | 13 Jan 2012 15:01 |
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