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

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...

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Published inMaterials science & engineering. A, Structural materials : properties, microstructure and processing Vol. 616; pp. 288 - 296
Main Authors Louzguine-Luzgin, D.V., Ketov, S.V., Wang, Z., Miyama, M.J., Tsarkov, A.A., Churyumov, A.Yu
Format Journal Article
LanguageEnglish
Published Elsevier B.V 20.10.2014
Subjects
Bulk metallic glasses
Bulk sampling
Glassy
Low aspect ratio
Mechanical properties
Metallic glasses
Plastic deformation
Relaxation enthalpy
Slip bands
Strain
Zirconium
Zirconium base alloys
Mechanical properties
Bulk metallic glasses
Relaxation enthalpy
Strain
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Summary: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 finite elements model computer simulation.
Bibliography:ObjectType-Article-1
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content type line 23
ISSN:0921-5093
1873-4936
DOI:10.1016/j.msea.2014.08.006