Enhancement of plasticity and toughness in monolithic Zr-based bulk metallic glass by heterogeneous microstructure

Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/30045

Title:	Enhancement of plasticity and toughness in monolithic Zr-based bulk metallic glass by heterogeneous microstructure
Authors:	Ren, HT Pan, J Chen, Q Chan, KC Liu, Y Liu, L
Issue Date:	2011
Source:	Scripta materialia, 2011, v. 64, no. 7, p. 609-612
Abstract:	A significant enhancement of plasticity and toughness was achieved by increasing Zr content but decreasing Cu content in the Zr-Cu-Ni-Al-Ta bulk metallic glass system. It was found that higher Zr content induces strong icosahedral medium-range order clusters in amorphous phase which, in turn, cause heterogeneous distribution of free volume and eventually lead to the enhancement of plasticity and toughness of the monolithic bulk metallic glasses.
Keywords:	Bulk metallic glass Microstructure Plasticity Toughness
Publisher:	Pergamon Press
Journal:	Scripta materialia
ISSN:	1359-6462
EISSN:	1872-8456
DOI:	10.1016/j.scriptamat.2010.11.047
Appears in Collections:	Journal/Magazine Article

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