Microstructural Characterization and Hardness Properties of Plasma Sprayed Biomedical Coatings

Morks, Magdi F; Kobayashi, Akira

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タイトル	Microstructural Characterization and Hardness Properties of Plasma Sprayed Biomedical Coatings
著者	Morks, Magdi F Morks, Magdi F
著者	Kobayashi, Akira Kobayashi, Akira
キーワード等	Hydroxyapatite
	Plasma spraying
	Gun current
	Microstructure
	Hardness
抄録	Hydroxyapatite coatings were sprayed on 304 stainless steel substrates by using a gas tunnel type plasma system (GTTP). This system consists of two plasma sources: a gun which produces internal low power plasma (1.3-8 kW) and vortex which produces external high power plasma (10-40 kW). In this work, the arc gun current was changed while the vortex arc current was kept constant at 450 A. The effect of gun power on the microstructure and mechanical properties of HA coatings were investigated. Five gun currents were adjusted (0, 30, 50, 70 and 100 A) at the same vortex current (450 A) for sprayed HA coatings. The microstructure of resulting coatings was investigated by XRD and SEM. Hardness values of HA coatings sprayed at different arc gun currents were also investigated. The results showed that the gun currents affected the microstructure and porosity of HA coatings. Moreover, the hardness was slightly decreased as the gun current increased.
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	35
号	1
開始ページ	35
終了ページ	39
刊行年月	2006-07
ISSN	03874508
NCID	AA00867058
URL	http://hdl.handle.net/11094/7964
言語	英語
カテゴリ	紀要論文 Departmental Bulletin Paper
カテゴリ	Transactions of JWRI / Vol.35 No.1 (2006-07)

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.35(1) P.35-P.39
DC.title	Microstructural Characterization and Hardness Properties of Plasma Sprayed Biomedical Coatings
DC.creator	Morks, Magdi F
DC.creator	Kobayashi, Akira
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	2006-07
DC.identifier" scheme="DCTERMS.URI	http://hdl.handle.net/11094/7964
DC.subject	Hydroxyapatite
	Plasma spraying
	Gun current
	Microstructure
	Hardness
DCTERMS.abstract	Hydroxyapatite coatings were sprayed on 304 stainless steel substrates by using a gas tunnel type plasma system (GTTP). This system consists of two plasma sources: a gun which produces internal low power plasma (1.3-8 kW) and vortex which produces external high power plasma (10-40 kW). In this work, the arc gun current was changed while the vortex arc current was kept constant at 450 A. The effect of gun power on the microstructure and mechanical properties of HA coatings were investigated. Five gun currents were adjusted (0, 30, 50, 70 and 100 A) at the same vortex current (450 A) for sprayed HA coatings. The microstructure of resulting coatings was investigated by XRD and SEM. Hardness values of HA coatings sprayed at different arc gun currents were also investigated. The results showed that the gun currents affected the microstructure and porosity of HA coatings. Moreover, the hardness was slightly decreased as the gun current increased.
citation_title	Microstructural Characterization and Hardness Properties of Plasma Sprayed Biomedical Coatings
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	2006-07
citation_journal_title	Transactions of JWRI
citation_volume	35
citation_issue	1
citation_firstpage	35
citation_lastpage	39
citation_issn	03874508
citation_public_url	http://hdl.handle.net/11094/7964
citation_keywords	Hydroxyapatite
	Plasma spraying
	Gun current
	Microstructure
	Hardness

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