Microstructure and Mechanical Properties of HA/ZrO2 Coatings by Gas Tunnel Plasma Spraying

Morks, Magdi F.; Kobayashi, Akira

doi:https://doi.org/10.18910/11025

Microstructure and Mechanical Properties of HA/ZrO2 Coatings by Gas Tunnel Plasma Spraying

Morks, Magdi F.; Kobayashi, Akira

Transactions of JWRI, 2007, 36(1), 47-51

アクセス数:161件（2025-05-11 21:35 集計）

固定URL: https://doi.org/10.18910/11025

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タイトル	Microstructure and Mechanical Properties of HA/ZrO2 Coatings by Gas Tunnel Plasma Spraying
著者	著者名 Morks, Magdi F.
著者	NRID 1000070110773 1000070110773 著者名 Kobayashi, Akira
キーワード等	Gas Tunnel Plasma
	HA/ZrO₂
	Microstructure
	Hardness
	Abrasive Wear
	Adhesion
抄録	The gas tunnel plasma spraying method was employed to deposit HA/ZrO₂ composite coatings on SUS 304 substrate in an atmospheric chamber. The design of the plasma torch allows for the external and internal feeding of the sprayed powder. Pure HA powder was fed externally and ZrO₂ powder was fed internally. The feeding rate was controlled to deposit HA/ZrO₂ coatings with different zirconia contents. Two sprayed coatings with different zirconia contents were obtained. The influence of ZrO₂ and its volume fraction on the microstructure and mechanical properties of HA/ZrO₂ composite coatings was investigated. A comparison between the microstructure and mechanical properties of pure HA and HA/ZrO₂ composite coatings was made. Scanning electron micrographs of the coatings cross-sections showed good adhesion between the coatings and the substrate and also the dense structure of the coatings. The presence of ZrO₂ improved the hardness and abrasive wear resistance of the composite coatings compared with the pure HA coatings.
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)	36(1)
ページ	47-51
刊行年月	2007-07
言語	英語
ハンドルURL	https://hdl.handle.net/11094/11025
DOI	https://doi.org/10.18910/11025
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.36 No.1 (2007-07)

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. 2007, 36(1), p. 47-51
DC.title	Microstructure and Mechanical Properties of HA/ZrO2 Coatings by Gas Tunnel Plasma Spraying
DC.creator	Morks, Magdi F.
DC.creator	Kobayashi, Akira
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	2007-07
DC.subject	Gas Tunnel Plasma
	HA/ZrO₂
	Microstructure
	Hardness
	Abrasive Wear
	Adhesion
DCTERMS.abstract	The gas tunnel plasma spraying method was employed to deposit HA/ZrO₂ composite coatings on SUS 304 substrate in an atmospheric chamber. The design of the plasma torch allows for the external and internal feeding of the sprayed powder. Pure HA powder was fed externally and ZrO₂ powder was fed internally. The feeding rate was controlled to deposit HA/ZrO₂ coatings with different zirconia contents. Two sprayed coatings with different zirconia contents were obtained. The influence of ZrO₂ and its volume fraction on the microstructure and mechanical properties of HA/ZrO₂ composite coatings was investigated. A comparison between the microstructure and mechanical properties of pure HA and HA/ZrO₂ composite coatings was made. Scanning electron micrographs of the coatings cross-sections showed good adhesion between the coatings and the substrate and also the dense structure of the coatings. The presence of ZrO₂ improved the hardness and abrasive wear resistance of the composite coatings compared with the pure HA coatings.
DC.identifier	10.18910/11025
DC.format	11025
citation_title	Microstructure and Mechanical Properties of HA/ZrO2 Coatings by Gas Tunnel Plasma Spraying
citation_author	Morks, Magdi F.
citation_author	Kobayashi, Akira
citation_publisher	大阪大学接合科学研究所
citation_language	英語
citation_date	2007-07
citation_journal_title	Transactions of JWRI
citation_volume	36
citation_issue	1
citation_firstpage	47
citation_lastpage	51
citation_public_url	https://hdl.handle.net/11094/11025
citation_doi_detail	10.18910/11025
citation_doi	https://doi.org/10.18910/11025

Microstructure and Mechanical Properties of HA/ZrO2 Coatings by Gas Tunnel Plasma Spraying

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