Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/43003
Title: The critical cooling rate and microstructure evolution of Zr41.2Ti13.8Cu12.5Ni10Be22.5 composites by Bridgman solidification
Authors: Cheng, JL
Chen, G
Gao, P
Liu, CT
Li, Y
Keywords: Glasses, metallic
Rapid solidification processing
Microstructure
Issue Date: 2009
Publisher: Elsevier
Source: Intermetallics, 2009, v. 18, no. 1, p. 115-118 How to cite?
Journal: Intermetallics 
Abstract: The critical cooling rate and microstructure evolution were experimentally studied at cooling rates between 0.85 and 15.34 K/s by a Bridgman technique in Vit-1 (Zr41.2Ti13.8Cu12.5Ni10Be22.5). Our results show that the sample solidified at the rate above 10.03 K/s was fully amorphous whereas the samples solidified between 1.70 and 10.03 K/s were partially amorphous with crystalline phases, and samples solidified below 1.70 K/s were essentially crystalline. As the cooling rate decreased from 15.34 K/s to 1.82 K/s, the values of Tg and Tx were around 628 K and 702 K, respectively, but the heat of crystallization (ΔHx) decreased with decreasing cooling rate.
URI: http://hdl.handle.net/10397/43003
ISSN: 0966-9795
DOI: 10.1016/j.intermet.2009.06.016
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