Plastic deformation behavior of Zr-Cu-Al bulk metallic glass matrix composite

Hitoo Tokunaga; Kazutaka Fujita; Keito Maehara; Yoshihiko Yokoyama; Akihisa Inoue

doi:10.2320/jinstmet.75.562

Plastic deformation behavior of Zr-Cu-Al bulk metallic glass matrix composite

Hitoo Tokunaga, Kazutaka Fujita, Keito Maehara, Yoshihiko Yokoyama, Akihisa Inoue

Institute for Materials Research (IMR)

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

1 Citation (Scopus)

Abstract

Zr₅₀Cu₄₀Al₁₀ bulk metallic glass (BMG) matrix composite with crystalline B2 ZrCu was fabricated. Compressive test was carried out using the composite specimens with different volume fraction of B2 ZrCu. The effects of B2 ZrCu on plastic deformation behavior and mechanical properties of the composite were investigated. As the results, it was found that the ductility of the composite specimen was enhanced by increasing of volume fraction of B2 ZrCu. Also, it was found that the composite specimen exhibited work hardening behavior. On the other hand, yield stress and Young's modulus of the composite decrease with increasing of volume fraction of B2 ZrCu. Furthermore, it was confirmed that a stress-induced martensitic transformation in B2 ZrCu phase occurs during compressive test.

Original language	English
Pages (from-to)	562-568
Number of pages	7
Journal	Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals
Volume	75
Issue number	10
DOIs	https://doi.org/10.2320/jinstmet.75.562
Publication status	Published - 2011 Oct

Keywords

B2 zirconium copper
Bulk metallic glass composite
Plastic deformation
Stress-induced martensitic transformation
Work hardening

ASJC Scopus subject areas

Condensed Matter Physics
Mechanics of Materials
Metals and Alloys
Materials Chemistry

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title = "Plastic deformation behavior of Zr-Cu-Al bulk metallic glass matrix composite",

abstract = "Zr50Cu40Al10 bulk metallic glass (BMG) matrix composite with crystalline B2 ZrCu was fabricated. Compressive test was carried out using the composite specimens with different volume fraction of B2 ZrCu. The effects of B2 ZrCu on plastic deformation behavior and mechanical properties of the composite were investigated. As the results, it was found that the ductility of the composite specimen was enhanced by increasing of volume fraction of B2 ZrCu. Also, it was found that the composite specimen exhibited work hardening behavior. On the other hand, yield stress and Young's modulus of the composite decrease with increasing of volume fraction of B2 ZrCu. Furthermore, it was confirmed that a stress-induced martensitic transformation in B2 ZrCu phase occurs during compressive test.",

keywords = "B2 zirconium copper, Bulk metallic glass composite, Plastic deformation, Stress-induced martensitic transformation, Work hardening",

author = "Hitoo Tokunaga and Kazutaka Fujita and Keito Maehara and Yoshihiko Yokoyama and Akihisa Inoue",

year = "2011",

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doi = "10.2320/jinstmet.75.562",

language = "English",

volume = "75",

pages = "562--568",

journal = "Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals",

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publisher = "Japan Institute of Metals (JIM)",

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T1 - Plastic deformation behavior of Zr-Cu-Al bulk metallic glass matrix composite

AU - Tokunaga, Hitoo

AU - Fujita, Kazutaka

AU - Maehara, Keito

AU - Yokoyama, Yoshihiko

AU - Inoue, Akihisa

PY - 2011/10

Y1 - 2011/10

N2 - Zr50Cu40Al10 bulk metallic glass (BMG) matrix composite with crystalline B2 ZrCu was fabricated. Compressive test was carried out using the composite specimens with different volume fraction of B2 ZrCu. The effects of B2 ZrCu on plastic deformation behavior and mechanical properties of the composite were investigated. As the results, it was found that the ductility of the composite specimen was enhanced by increasing of volume fraction of B2 ZrCu. Also, it was found that the composite specimen exhibited work hardening behavior. On the other hand, yield stress and Young's modulus of the composite decrease with increasing of volume fraction of B2 ZrCu. Furthermore, it was confirmed that a stress-induced martensitic transformation in B2 ZrCu phase occurs during compressive test.

AB - Zr50Cu40Al10 bulk metallic glass (BMG) matrix composite with crystalline B2 ZrCu was fabricated. Compressive test was carried out using the composite specimens with different volume fraction of B2 ZrCu. The effects of B2 ZrCu on plastic deformation behavior and mechanical properties of the composite were investigated. As the results, it was found that the ductility of the composite specimen was enhanced by increasing of volume fraction of B2 ZrCu. Also, it was found that the composite specimen exhibited work hardening behavior. On the other hand, yield stress and Young's modulus of the composite decrease with increasing of volume fraction of B2 ZrCu. Furthermore, it was confirmed that a stress-induced martensitic transformation in B2 ZrCu phase occurs during compressive test.

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