Tungsten Coating for Thermal Fusion Material Produced by Gas Tunnel Type Plasma Spraying

Kobayashi, Akira

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タイトル	Tungsten Coating for Thermal Fusion Material Produced by Gas Tunnel Type Plasma Spraying
著者	Kobayashi, Akira Kobayashi, Akira
キーワード等	Tungsten coatings
	Fusion materials
	Gas tunnel type plasma spraying
	Hardness test
	XRD
抄録	Tungsten (W) is a material which has the highest melting point of 3422 ℃ among metals. Therefore when deposited as a coating it can protect the substrate surface from high heat flux. The W composite will be a superior candidate for thermal fusion materials. In this study, tungsten sprayed coatings were produced on stainless steel substrates by gas tunnel type plasma spraying at a short spraying distance (40mm). The Vickers micro-hardness of the W coating was measured as the mechanical property. The tungsten coating had a hardness of Hv=260-300 along its cross section, which is a little lower than the hardness for bulk tungsten. Regarding the microstructure the coating contained some pores. The results of X ray Diffraction show that the coating consists of pure tungsten, without oxidation.
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	37
号	1
開始ページ	63
終了ページ	67
刊行年月	2008-07
ISSN	03874508
NCID	AA00867058
URL	http://hdl.handle.net/11094/4497
言語	英語

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.37(1) P.63-P.67
DC.title	Tungsten Coating for Thermal Fusion Material Produced by Gas Tunnel Type Plasma Spraying
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	2008-07
DC.identifier" scheme="DCTERMS.URI	http://hdl.handle.net/11094/4497
DC.subject	Tungsten coatings
	Fusion materials
	Gas tunnel type plasma spraying
	Hardness test
	XRD
DCTERMS.abstract	Tungsten (W) is a material which has the highest melting point of 3422 ℃ among metals. Therefore when deposited as a coating it can protect the substrate surface from high heat flux. The W composite will be a superior candidate for thermal fusion materials. In this study, tungsten sprayed coatings were produced on stainless steel substrates by gas tunnel type plasma spraying at a short spraying distance (40mm). The Vickers micro-hardness of the W coating was measured as the mechanical property. The tungsten coating had a hardness of Hv=260-300 along its cross section, which is a little lower than the hardness for bulk tungsten. Regarding the microstructure the coating contained some pores. The results of X ray Diffraction show that the coating consists of pure tungsten, without oxidation.
citation_title	Tungsten Coating for Thermal Fusion Material Produced by Gas Tunnel Type Plasma Spraying
citation_author	Kobayashi, Akira
citation_publisher	大阪大学接合科学研究所
citation_language	英語
citation_date	2008-07
citation_journal_title	Transactions of JWRI
citation_volume	37
citation_issue	1
citation_firstpage	63
citation_lastpage	67
citation_issn	03874508
citation_public_url	http://hdl.handle.net/11094/4497
citation_keywords	Tungsten coatings
	Fusion materials
	Gas tunnel type plasma spraying
	Hardness test
	XRD

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