Effect of Processing Parameters on Microstructure and Mechanical Properties of Zirconia/Alumina Composite Coatings by Gas Tunnel Type Plasma Spraying

Shanmugavelayutham, Gurusamy; Kobayashi, Akira

doi:https://doi.org/10.18910/4162

Effect of Processing Parameters on Microstructure and Mechanical Properties of Zirconia/Alumina Composite Coatings by Gas Tunnel Type Plasma Spraying

Shanmugavelayutham, Gurusamy; Kobayashi, Akira

Transactions of JWRI, 2005, 34(1), 43-47

アクセス数:177件（2025-04-29 14:17 集計）

固定URL: https://doi.org/10.18910/4162

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タイトル	Effect of Processing Parameters on Microstructure and Mechanical Properties of Zirconia/Alumina Composite Coatings by Gas Tunnel Type Plasma Spraying
著者	著者名 Shanmugavelayutham, Gurusamy
著者	NRID 1000070110773 1000070110773 著者名 Kobayashi, Akira ; コバヤシ, アキラ
キーワード等	Plasma spray
	Zirconia/alumina composite coating
	Adhesion strength
	Vickers hardness
	Wear resistance
抄録	Plasma power and substrate traverse number during deposition play an important role in the plasma spray coating process and affect the final properties of the coatings. Zirconia, alumina, zirconia/alumina composite coatings on stainless substrate were prepared by a gas tunnel type plasma spray system to investigate the effects of these parameters on the coating. The results indicated that those parameters such as alumina mixing ratio, plasma power and traverse number over the substrate did affect the hardness, porosity and wear resistance of composite coatings. The Vickers hardness of the coating becomes large with an increase in alumina mixing ratio, the porosity decreased from 33.7 to 7.65%. The lowest porosity and the highest hardness of composite coatings were obtained at a substrate traverse number, N=20 times with a spraying distance, L=40 mm. The adhesive strength of the composite coating decreased with an increase in alumina mixing ratio and at the same time, wear weight of the coating also decreased.
出版者	大阪大学接合科学研究所
	オオサカダイガクセツゴウカガクケンキュウジョ
	Joining and Welding Research Institute, Osaka University
収録物名	Transactions of JWRI
巻(号)	34(1)
ページ	43-47
刊行年月	2005-07
言語	英語
ハンドルURL	https://hdl.handle.net/11094/4162
DOI	https://doi.org/10.18910/4162
PISSN	03874508
NCID	AA00867058
アクセス権	open access
出版タイプ	Version of Record
カテゴリ	紀要論文 Departmental Bulletin Paper
カテゴリ	Transactions of JWRI / Vol.34 No.1 (2005-07)

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. 2005, 34(1), p. 43-47
DC.title	Effect of Processing Parameters on Microstructure and Mechanical Properties of Zirconia/Alumina Composite Coatings by Gas Tunnel Type Plasma Spraying
DC.creator	Shanmugavelayutham, Gurusamy
	Kobayashi, Akira
	コバヤシ, アキラ
DC.publisher	大阪大学接合科学研究所
	オオサカダイガクセツゴウカガクケンキュウジョ
	Joining and Welding Research Institute, Osaka University
DC.language' scheme='DCTERMS.RFC1766	英語
DC.type' scheme='DCTERMS.DCMIType	text
DCTERMS.issued' scheme='DCTERMS.W3CDTF	2005-07
DC.subject	Plasma spray
	Zirconia/alumina composite coating
	Adhesion strength
	Vickers hardness
	Wear resistance
DCTERMS.abstract	Plasma power and substrate traverse number during deposition play an important role in the plasma spray coating process and affect the final properties of the coatings. Zirconia, alumina, zirconia/alumina composite coatings on stainless substrate were prepared by a gas tunnel type plasma spray system to investigate the effects of these parameters on the coating. The results indicated that those parameters such as alumina mixing ratio, plasma power and traverse number over the substrate did affect the hardness, porosity and wear resistance of composite coatings. The Vickers hardness of the coating becomes large with an increase in alumina mixing ratio, the porosity decreased from 33.7 to 7.65%. The lowest porosity and the highest hardness of composite coatings were obtained at a substrate traverse number, N=20 times with a spraying distance, L=40 mm. The adhesive strength of the composite coating decreased with an increase in alumina mixing ratio and at the same time, wear weight of the coating also decreased.
DC.identifier	10.18910/4162
DC.format	4162
citation_title	Effect of Processing Parameters on Microstructure and Mechanical Properties of Zirconia/Alumina Composite Coatings by Gas Tunnel Type Plasma Spraying
citation_author	Shanmugavelayutham, Gurusamy
citation_author	Kobayashi, Akira
citation_publisher	大阪大学接合科学研究所
citation_language	英語
citation_date	2005-07
citation_journal_title	Transactions of JWRI
citation_volume	34
citation_issue	1
citation_firstpage	43
citation_lastpage	47
citation_public_url	https://hdl.handle.net/11094/4162
citation_doi_detail	10.18910/4162
citation_doi	https://doi.org/10.18910/4162

Effect of Processing Parameters on Microstructure and Mechanical Properties of Zirconia/Alumina Composite Coatings by Gas Tunnel Type Plasma Spraying

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