Tribological Properties of WC/12Co Cermet - Fe-Based Metallic Glass Spray Coating

Terajima, Takeshi; Takeuchi, Fumiya; Nakata, Kazuhiro; Adachi, Shinichiro; Nakashima, Koji; Igarashi, Takanori

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タイトル	Tribological Properties of WC/12Co Cermet - Fe-Based Metallic Glass Spray Coating
著者	Terajima, Takeshi Terajima, Takeshi
	Takeuchi, Fumiya Takeuchi, Fumiya
	Nakata, Kazuhiro Nakata, Kazuhiro
	Adachi, Shinichiro Adachi, Shinichiro
	Nakashima, Koji Nakashima, Koji
	Igarashi, Takanori Igarashi, Takanori
キーワード等	Metallic glass
	Cermet
	High-velocity oxygen fuel spraying
	Tribological property
	Spray coating
抄録	A composite coating containing WC/12Co cermet and Fe₄₃Cr₁₆Mo₁₆C₁₅B₁₀ metallic glass was successfully deposited onto type 304 stainless steel by high-velocity oxygen fuel (HVOF) spraying, and the microstructure and tribological properties were investigated. The microstructure of the coating was characterized by scanning electron microscopy/electron probe micro-analysis (SEM/EPMA) and X-ray diffractometry (XRD). The hardness and tribological properties of the coating were tested with a Vickers hardness tester and reciprocating wear tester, respectively. The composite coating, in which flattened WC/12Co was embedded in amorphous Fe₄₃Cr₁₆Mo₁₆C₁₅B₂₀ layers, exhibited high hardness, good wear resistance and a low friction coefficient compared to the monolithic coating. The addition of 8% WC/12Co to the Fe₄₃Cr₁₆Mo₁₆C₁₅B₂₀ matrix increased the cross-sectional hardness from 660 to 870 HV and reduced the friction coefficient from 0.65 to 0.5. WC/12Co reinforcement plays an important role in improving the tribological properties of the Fe₄₃Cr₁₆Mo₁₆C₁₅B₂₀ coating.
公開者	大阪大学接合科学研究所
公開者の別表記	Joining and Welding Research Institute, Osaka University
公開者 (ヨミ)	オオサカダイガクセツゴウカガクケンキュウジョ
掲載誌名	Transactions of JWRI
巻	38
号	1
開始ページ	75
終了ページ	79
刊行年月	2009-09
ISSN	03874508
NCID	AA00867058
URL	http://hdl.handle.net/11094/4609
言語	英語
カテゴリ	紀要論文 Departmental Bulletin Paper
カテゴリ	Transactions of JWRI / Vol.38 No.1 (2009-09)

著者版フラグ	publisher
NII資源タイプ	紀要論文
ローカル資源タイプ	紀要論文
dcmi資源タイプ	text
DCTERMS.bibliographicCitation	Transactions of JWRI.38(1) P.75-P.79
DC.title	Tribological Properties of WC/12Co Cermet - Fe-Based Metallic Glass Spray Coating
DC.creator	Terajima, Takeshi
	Takeuchi, Fumiya
	Nakata, Kazuhiro
	Adachi, Shinichiro
	Nakashima, Koji
	Igarashi, Takanori
DC.publisher	大阪大学接合科学研究所
DC.language" scheme="DCTERMS.RFC1766	英語
DCTERMS.issued" scheme="DCTERMS.W3CDTF	2009-09
DC.identifier" scheme="DCTERMS.URI	http://hdl.handle.net/11094/4609
DC.subject	Metallic glass
	Cermet
	High-velocity oxygen fuel spraying
	Tribological property
	Spray coating
DCTERMS.abstract	A composite coating containing WC/12Co cermet and Fe₄₃Cr₁₆Mo₁₆C₁₅B₁₀ metallic glass was successfully deposited onto type 304 stainless steel by high-velocity oxygen fuel (HVOF) spraying, and the microstructure and tribological properties were investigated. The microstructure of the coating was characterized by scanning electron microscopy/electron probe micro-analysis (SEM/EPMA) and X-ray diffractometry (XRD). The hardness and tribological properties of the coating were tested with a Vickers hardness tester and reciprocating wear tester, respectively. The composite coating, in which flattened WC/12Co was embedded in amorphous Fe₄₃Cr₁₆Mo₁₆C₁₅B₂₀ layers, exhibited high hardness, good wear resistance and a low friction coefficient compared to the monolithic coating. The addition of 8% WC/12Co to the Fe₄₃Cr₁₆Mo₁₆C₁₅B₂₀ matrix increased the cross-sectional hardness from 660 to 870 HV and reduced the friction coefficient from 0.65 to 0.5. WC/12Co reinforcement plays an important role in improving the tribological properties of the Fe₄₃Cr₁₆Mo₁₆C₁₅B₂₀ coating.
citation_title	Tribological Properties of WC/12Co Cermet - Fe-Based Metallic Glass Spray Coating
citation_author	Terajima, Takeshi
	Takeuchi, Fumiya
	Nakata, Kazuhiro
	Adachi, Shinichiro
	Nakashima, Koji
	Igarashi, Takanori
citation_publisher	大阪大学接合科学研究所
citation_language	英語
citation_date	2009-09
citation_journal_title	Transactions of JWRI
citation_volume	38
citation_issue	1
citation_firstpage	75
citation_lastpage	79
citation_issn	03874508
citation_public_url	http://hdl.handle.net/11094/4609
citation_keywords	Metallic glass
	Cermet
	High-velocity oxygen fuel spraying
	Tribological property
	Spray coating

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