Improved wear resistance through surface modification of Zr 50Cu30Ni10Al10 bulk glassy alloys

Yoshihiko Yokoyama; Shinji Fukumoto; Yoshihiro Oka; Mitsuyasu Yatsuzuka; Harushige Tsubakino; Akihisa Inoue

doi:10.2320/matertrans.47.1999

Improved wear resistance through surface modification of Zr ₅₀Cu₃₀Ni₁₀Al₁₀ bulk glassy alloys

Yoshihiko Yokoyama, Shinji Fukumoto, Yoshihiro Oka, Mitsuyasu Yatsuzuka, Harushige Tsubakino, Akihisa Inoue

Institute for Materials Research (IMR)

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

1 Citation (Scopus)

Abstract

We examined the surface modifications of Zr₅₀Cu ₃₀Ni₁₀Al₁₀ bulk glassy alloys, including oxidization, nitriding, and diamond-like carbon (DLC) coating to improve wear resistance. Wear abrasion in bulk glassy alloys begins with the formation of shear bands, as in cold-rolled structures. Ultimately, lamellar tearing occurs in the lamellar structure of the shear band in the wear region. Surface modification effectively reduces the wear abrasion corresponding to the easy formation of the shear band. Bulk glassy alloy coated with DLC has outstanding wear resistance due to its low surface-friction coefficient.

Original language	English
Pages (from-to)	1999-2005
Number of pages	7
Journal	Materials Transactions
Volume	47
Issue number	8
DOIs	https://doi.org/10.2320/matertrans.47.1999
Publication status	Published - 2006 Aug

Keywords

Surface diamond-like carbon (DLC) coating
Surface minding
Surface oxidization
Wear test
ZrCuNiAl cast bulk glassy alloy

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

Access to Document

10.2320/matertrans.47.1999

Cite this

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abstract = "We examined the surface modifications of Zr50Cu 30Ni10Al10 bulk glassy alloys, including oxidization, nitriding, and diamond-like carbon (DLC) coating to improve wear resistance. Wear abrasion in bulk glassy alloys begins with the formation of shear bands, as in cold-rolled structures. Ultimately, lamellar tearing occurs in the lamellar structure of the shear band in the wear region. Surface modification effectively reduces the wear abrasion corresponding to the easy formation of the shear band. Bulk glassy alloy coated with DLC has outstanding wear resistance due to its low surface-friction coefficient.",

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AU - Yokoyama, Yoshihiko

AU - Fukumoto, Shinji

AU - Oka, Yoshihiro

AU - Yatsuzuka, Mitsuyasu

AU - Tsubakino, Harushige

AU - Inoue, Akihisa

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AB - We examined the surface modifications of Zr50Cu 30Ni10Al10 bulk glassy alloys, including oxidization, nitriding, and diamond-like carbon (DLC) coating to improve wear resistance. Wear abrasion in bulk glassy alloys begins with the formation of shear bands, as in cold-rolled structures. Ultimately, lamellar tearing occurs in the lamellar structure of the shear band in the wear region. Surface modification effectively reduces the wear abrasion corresponding to the easy formation of the shear band. Bulk glassy alloy coated with DLC has outstanding wear resistance due to its low surface-friction coefficient.

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KW - Surface oxidization

KW - Wear test

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