Enhanced mechanical properties by cyclic compression in TiNb/Zr-based metallic glassy composite

Z. H. Chu; H. Kato; G. Q. Xie; G. Y. Yuan; W. J. Ding

doi:10.1007/s11661-013-1821-9

Enhanced mechanical properties by cyclic compression in TiNb/Zr-based metallic glassy composite

Z. H. Chu, H. Kato, G. Q. Xie, G. Y. Yuan, W. J. Ding

Materials Development Division

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

5 Citations (Scopus)

Abstract

A significant enhancement of yield strength and large plasticity was obtained in TiNb/Zr₅₅Cu₃₀Al₁₀Ni₅ composite by cyclic compression at the yield point. This phenomenon resulted from the cooperation of the metallic crystalline alloy TiNb and metallic glassy matrix Zr₅₅Cu₃₀Al₁₀Ni₅ in the composite. It was found that a large dislocation density of TiNb was produced during cyclic compression, which resulted in the increase of the strength. Meanwhile, the improvement of plasticity of the composite benefited from the propagation of excess shear bands in the glassy matrix, which were produced during the cyclic compression process. Hence, the collective effect of both resulted in the improved yield strength and large plasticity of the composite.

Original language	English
Pages (from-to)	4595-4600
Number of pages	6
Journal	Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science
Volume	44
Issue number	10
DOIs	https://doi.org/10.1007/s11661-013-1821-9
Publication status	Published - 2013 Oct 1

ASJC Scopus subject areas

Condensed Matter Physics
Mechanics of Materials
Metals and Alloys

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title = "Enhanced mechanical properties by cyclic compression in TiNb/Zr-based metallic glassy composite",

abstract = "A significant enhancement of yield strength and large plasticity was obtained in TiNb/Zr55Cu30Al10Ni5 composite by cyclic compression at the yield point. This phenomenon resulted from the cooperation of the metallic crystalline alloy TiNb and metallic glassy matrix Zr55Cu30Al10Ni5 in the composite. It was found that a large dislocation density of TiNb was produced during cyclic compression, which resulted in the increase of the strength. Meanwhile, the improvement of plasticity of the composite benefited from the propagation of excess shear bands in the glassy matrix, which were produced during the cyclic compression process. Hence, the collective effect of both resulted in the improved yield strength and large plasticity of the composite.",

author = "Chu, {Z. H.} and H. Kato and Xie, {G. Q.} and Yuan, {G. Y.} and Ding, {W. J.}",

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T1 - Enhanced mechanical properties by cyclic compression in TiNb/Zr-based metallic glassy composite

AU - Chu, Z. H.

AU - Kato, H.

AU - Xie, G. Q.

AU - Yuan, G. Y.

AU - Ding, W. J.

PY - 2013/10/1

Y1 - 2013/10/1

N2 - A significant enhancement of yield strength and large plasticity was obtained in TiNb/Zr55Cu30Al10Ni5 composite by cyclic compression at the yield point. This phenomenon resulted from the cooperation of the metallic crystalline alloy TiNb and metallic glassy matrix Zr55Cu30Al10Ni5 in the composite. It was found that a large dislocation density of TiNb was produced during cyclic compression, which resulted in the increase of the strength. Meanwhile, the improvement of plasticity of the composite benefited from the propagation of excess shear bands in the glassy matrix, which were produced during the cyclic compression process. Hence, the collective effect of both resulted in the improved yield strength and large plasticity of the composite.

AB - A significant enhancement of yield strength and large plasticity was obtained in TiNb/Zr55Cu30Al10Ni5 composite by cyclic compression at the yield point. This phenomenon resulted from the cooperation of the metallic crystalline alloy TiNb and metallic glassy matrix Zr55Cu30Al10Ni5 in the composite. It was found that a large dislocation density of TiNb was produced during cyclic compression, which resulted in the increase of the strength. Meanwhile, the improvement of plasticity of the composite benefited from the propagation of excess shear bands in the glassy matrix, which were produced during the cyclic compression process. Hence, the collective effect of both resulted in the improved yield strength and large plasticity of the composite.

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