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Title: Evaluation of thermoplastic formability of Zr-based bulk metallic glasses and its correlation with characteristic temperature parameters
Authors: Hu, Q
Fu, MW 
Zeng, XR
Keywords: Bulk metallic glass
Thermoplastic forming
Super-cooled liquid
Issue Date: 2014
Publisher: Elsevier
Source: Journal of alloys and compounds, 2014, v. 602, p. 326-330 How to cite?
Journal: Journal of alloys and compounds 
Abstract: Thermoplastic formability (TPFA) is a key factor in fabrication of bulk metallic glass (BMG) components by thermoplastic forming (TPF) technology. In this paper, the softness in the entire super-cooled liquid region (SCLR) is used to evaluate the TPFA of 18 Be-free Zr-based BMGs and the reliability is verified by mould forming experiments. The correlations between softness and thermo-dynamic characteristic temperature parameters are well explained under the assumption of linear SCLR in Angel plot. A parameter constructed by thermo-dynamic and thermal-mechanical characteristic temperatures is proposed, representing the best correlation with softness. These results help understand the TPFA of BMGs well.
ISSN: 0925-8388
DOI: 10.1016/j.jallcom.2014.02.160
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