Plastic deformation studies of zr-based bulk metallic glassy samples with a low aspect ratio

D. V. Louzguine-Luzgin; S. V. Ketov; Z. Wang; M. J. Miyama; A. A. Tsarkov; A. Yu Churyumov

doi:10.1016/j.msea.2014.08.006

Plastic deformation studies of zr-based bulk metallic glassy samples with a low aspect ratio

D. V. Louzguine-Luzgin, S. V. Ketov, Z. Wang, M. J. Miyama, A. A. Tsarkov, A. Yu Churyumov

Advanced Institute for Materials Research (AIMR)

Research output: Contribution to journal › Article › peer-review

24 Citations (Scopus)

Abstract

In the present work Zr-based bulk metallic glassy samples with low aspect ratio (1:2) were deformed plastically at quasistatic loading conditions in order to study propagation of relatively homogeneous plastic deformation without clear shear localization in a dominant shear band that was observed in the samples with larger aspect ratio. Usage of low aspect ratio allows achieving large plastic deformations without fracture by forming multiple shear bands. The experimental results are discussed and compared with those of molecular dynamics and nite elements model computer simulation.

Original language	English
Pages (from-to)	288-296
Number of pages	9
Journal	Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing
Volume	616
Issue number	1
DOIs	https://doi.org/10.1016/j.msea.2014.08.006
Publication status	Published - 2014

Keywords

Bulk metallic glasses
Mechanical properties
Relaxation enthalpy
Strain

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10.1016/j.msea.2014.08.006

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abstract = "In the present work Zr-based bulk metallic glassy samples with low aspect ratio (1:2) were deformed plastically at quasistatic loading conditions in order to study propagation of relatively homogeneous plastic deformation without clear shear localization in a dominant shear band that was observed in the samples with larger aspect ratio. Usage of low aspect ratio allows achieving large plastic deformations without fracture by forming multiple shear bands. The experimental results are discussed and compared with those of molecular dynamics and nite elements model computer simulation.",

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AU - Louzguine-Luzgin, D. V.

AU - Ketov, S. V.

AU - Wang, Z.

AU - Miyama, M. J.

AU - Tsarkov, A. A.

AU - Churyumov, A. Yu

N1 - Funding Information: This work was supported by the World Premier International Research Center Initiative (WPI), MEXT , Japan, by the Ministry of Education and Science of the Russian Federation in the framework of Increase Competitiveness Program of NUST “MISiS” (No. К2-2014-013 ) and by RFBR (Project 13-03-91330-HHBOa). Publisher Copyright: © 2014 Elsevier B.V.

PY - 2014

Y1 - 2014

N2 - In the present work Zr-based bulk metallic glassy samples with low aspect ratio (1:2) were deformed plastically at quasistatic loading conditions in order to study propagation of relatively homogeneous plastic deformation without clear shear localization in a dominant shear band that was observed in the samples with larger aspect ratio. Usage of low aspect ratio allows achieving large plastic deformations without fracture by forming multiple shear bands. The experimental results are discussed and compared with those of molecular dynamics and nite elements model computer simulation.

AB - In the present work Zr-based bulk metallic glassy samples with low aspect ratio (1:2) were deformed plastically at quasistatic loading conditions in order to study propagation of relatively homogeneous plastic deformation without clear shear localization in a dominant shear band that was observed in the samples with larger aspect ratio. Usage of low aspect ratio allows achieving large plastic deformations without fracture by forming multiple shear bands. The experimental results are discussed and compared with those of molecular dynamics and nite elements model computer simulation.

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KW - Relaxation enthalpy

KW - Strain

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Plastic deformation studies of zr-based bulk metallic glassy samples with a low aspect ratio

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