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

H. T. Ren; J. Pan; Q. Chen; Kang Cheung Chan; Y. Liu; L. Liu

doi:10.1016/j.scriptamat.2010.11.047

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

H. T. Ren, J. Pan, Q. Chen, Kang Cheung Chan, Y. Liu, L. Liu

Research output: Journal article publication › Journal article › Academic research › peer-review

17 Citations (Scopus)

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.

Original language	English
Pages (from-to)	609-612
Number of pages	4
Journal	Scripta Materialia
Volume	64
Issue number	7
DOIs	https://doi.org/10.1016/j.scriptamat.2010.11.047
Publication status	Published - 1 Apr 2011

Keywords

Bulk metallic glass
Microstructure
Plasticity
Toughness

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics

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10.1016/j.scriptamat.2010.11.047

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AU - Chen, Q.

AU - Chan, Kang Cheung

AU - Liu, Y.

AU - Liu, L.

PY - 2011/4/1

Y1 - 2011/4/1

N2 - 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.

AB - 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.

KW - Bulk metallic glass

KW - Microstructure

KW - Plasticity

KW - Toughness

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ER -

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

Abstract

Keywords

ASJC Scopus subject areas

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