Pronounced tensile plasticity at room temperature in a Au65Cu10.5Ag7.5Si17 metallic glass

J. C. Qiao; H. Wang; J. M. Pelletier; H. Kato

doi:10.1016/j.msea.2014.02.007

Pronounced tensile plasticity at room temperature in a Au₆₅Cu_10.5Ag_7.5Si₁₇ metallic glass

J. C. Qiao, H. Wang, J. M. Pelletier, H. Kato

科研成果: 期刊稿件 › 文章 › 同行评审

4 引用（Scopus）

摘要

We report a pronounced tensile plasticity in a Au₆₅Cu_10.5Ag_7.5Si₁₇ metallic glass at room temperature. The tensile strength of the metallic glass decreases by decreasing the strain rate. Plastic deformation is heterogeneous and many percolating shear bands are observed on the fracture surface. In parallel, dynamic mechanical analysis indicates the absence of a pronounced secondary (or β) relaxation. Therefore, no correlation is observed between the relaxation behavior and the tensile plasticity.

源语言	英语
页（从-至）	32-36
页数	5
期刊	Materials Science and Engineering: A
卷	600
DOI	https://doi.org/10.1016/j.msea.2014.02.007
出版状态	已出版 - 10 4月 2014
已对外发布	是

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10.1016/j.msea.2014.02.007

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title = "Pronounced tensile plasticity at room temperature in a Au65Cu10.5Ag7.5Si17 metallic glass",

abstract = "We report a pronounced tensile plasticity in a Au65Cu10.5Ag7.5Si17 metallic glass at room temperature. The tensile strength of the metallic glass decreases by decreasing the strain rate. Plastic deformation is heterogeneous and many percolating shear bands are observed on the fracture surface. In parallel, dynamic mechanical analysis indicates the absence of a pronounced secondary (or β) relaxation. Therefore, no correlation is observed between the relaxation behavior and the tensile plasticity.",

keywords = "Bulk amorphous alloys, Shear bands, Superplasticity",

author = "Qiao, {J. C.} and H. Wang and Pelletier, {J. M.} and H. Kato",

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T1 - Pronounced tensile plasticity at room temperature in a Au65Cu10.5Ag7.5Si17 metallic glass

AU - Qiao, J. C.

AU - Wang, H.

AU - Pelletier, J. M.

AU - Kato, H.

PY - 2014/4/10

Y1 - 2014/4/10

N2 - We report a pronounced tensile plasticity in a Au65Cu10.5Ag7.5Si17 metallic glass at room temperature. The tensile strength of the metallic glass decreases by decreasing the strain rate. Plastic deformation is heterogeneous and many percolating shear bands are observed on the fracture surface. In parallel, dynamic mechanical analysis indicates the absence of a pronounced secondary (or β) relaxation. Therefore, no correlation is observed between the relaxation behavior and the tensile plasticity.

AB - We report a pronounced tensile plasticity in a Au65Cu10.5Ag7.5Si17 metallic glass at room temperature. The tensile strength of the metallic glass decreases by decreasing the strain rate. Plastic deformation is heterogeneous and many percolating shear bands are observed on the fracture surface. In parallel, dynamic mechanical analysis indicates the absence of a pronounced secondary (or β) relaxation. Therefore, no correlation is observed between the relaxation behavior and the tensile plasticity.

KW - Bulk amorphous alloys

KW - Shear bands

KW - Superplasticity

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U2 - 10.1016/j.msea.2014.02.007

DO - 10.1016/j.msea.2014.02.007

M3 - 文章

AN - SCOPUS:84894240602

SN - 0921-5093

VL - 600

SP - 32

EP - 36

JO - Materials Science and Engineering: A

JF - Materials Science and Engineering: A

ER -

Pronounced tensile plasticity at room temperature in a Au65Cu10.5Ag7.5Si17 metallic glass

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Pronounced tensile plasticity at room temperature in a Au₆₅Cu_10.5Ag_7.5Si₁₇ metallic glass