Plastic deformation behavior of Fe40Ni40P14B6 bulk metallic glass investigated by nanoindentation

Changqing Zhang; Kefu Yao

doi:10.1016/S1005-8850(07)60112-1

Volume 14 Issue S1

Jun. 2007

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文章导航 > 矿物冶金与材料学报（英文） > 2007 > 14(S1): 68-72

Changqing Zhang and Kefu Yao, Plastic deformation behavior of Fe₄₀Ni₄₀P₁₄B₆ bulk metallic glass investigated by nanoindentation, J. Univ. Sci. Technol. Beijing, 14(2007), No. S1, pp. 68-72. https://doi.org/10.1016/S1005-8850(07)60112-1

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Changqing Zhang and Kefu Yao, Plastic deformation behavior of Fe40Ni40P14B6 bulk metallic glass investigated by nanoindentation, J. Univ. Sci. Technol. Beijing, 14(2007), No. S1, pp. 68-72. https://doi.org/10.1016/S1005-8850(07)60112-1

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Materials

Plastic deformation behavior of Fe₄₀Ni₄₀P₁₄B₆ bulk metallic glass investigated by nanoindentation

Key Laboratory for Advanced Manufacturing by Materials Processing Technology, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China

通讯作者:
Kefu Yao E-mail: kfyao@tsinghua.edu.cn

中文摘要

Fe₄₀Ni₄₀P₁₄B₆ bulk metallic glass rods have been prepared by water quenching the fluxed alloy. The deformation behavior was investigated by nanoindentation tests and compressing tests. The average hardness and elastic modulus of the as-prepared Fe₄₀Ni₄₀P₁₄B₆ BMG (bulk metallic glass) measured by nanoindentation tests are 8.347 and 176.61 GPa respectively. The displacement-load curve shows “pop-in” characteristics which correspond to the loading rate bursts. Many shear bands around the indent were observed. The as-prepared Fe-based BMG exhibits a compressive plastic strain of 5.21%, which is much larger than that of other Fe-based glassy alloys and most of other BMGs.

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Materials

Plastic deformation behavior of Fe₄₀Ni₄₀P₁₄B₆ bulk metallic glass investigated by nanoindentation

Changqing Zhang and
Kefu Yao

+ Author Affiliations

Abstract

Abstract

Fe₄₀Ni₄₀P₁₄B₆ bulk metallic glass rods have been prepared by water quenching the fluxed alloy. The deformation behavior was investigated by nanoindentation tests and compressing tests. The average hardness and elastic modulus of the as-prepared Fe₄₀Ni₄₀P₁₄B₆ BMG (bulk metallic glass) measured by nanoindentation tests are 8.347 and 176.61 GPa respectively. The displacement-load curve shows “pop-in” characteristics which correspond to the loading rate bursts. Many shear bands around the indent were observed. The as-prepared Fe-based BMG exhibits a compressive plastic strain of 5.21%, which is much larger than that of other Fe-based glassy alloys and most of other BMGs.