Corrosion Resistance of Al2O3+ZrO2 Composite Coatings Sprayed on Stainless Steel Substrates

Zhang, Jialiang; Kobayashi, Akira

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タイトル	Corrosion Resistance of Al2O3+ZrO2 Composite Coatings Sprayed on Stainless Steel Substrates
著者	Zhang, Jialiang Zhang, Jialiang
著者	Kobayashi, Akira Kobayashi, Akira
キーワード等	Corrosion resistance
	Al₂O₃+ZrO₂ composite coatings
	Gas tunnel type plasma spraying
	Anodic polarization characterization
抄録	Composite thermal barrier coatings (TBCs) of Al₂O₃+ZrO₂ were deposited on SUS304 substrates by gas tunnel type plasma spraying. A common-used potentiostatic anodic polarization test procedure was used to measure the corrosion characteristics of the coatings. The coatings prepared with different Al₂O₃+ZrO₂ mixing ratios and different thicknesses were compared for corrosion resistance. The corrosion potential and deactivated corrosion current density obtained from the coatings were related to the coating microstructure. The results show that the higher alumina content and the thicker the coatings, the better the corrosion resistance, which is attributed to the resistance of coatings. The coating porosity and thickness played the important roles on the corrosion behavior of Al₂O₃+ZrO₂ coated SUS304 substrate.
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	34
号	2
開始ページ	17
終了ページ	22
刊行年月	2005-12
ISSN	03874508
NCID	AA00867058
URL	http://hdl.handle.net/11094/11210
言語	英語
カテゴリ	紀要論文 Departmental Bulletin Paper
カテゴリ	Transactions of JWRI / Vol.34 No.2 (2005-12)

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.34(2) P.17-P.22
DC.title	Corrosion Resistance of Al2O3+ZrO2 Composite Coatings Sprayed on Stainless Steel Substrates
DC.creator	Zhang, Jialiang
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	2005-12
DC.identifier" scheme="DCTERMS.URI	http://hdl.handle.net/11094/11210
DC.subject	Corrosion resistance
	Al₂O₃+ZrO₂ composite coatings
	Gas tunnel type plasma spraying
	Anodic polarization characterization
DCTERMS.abstract	Composite thermal barrier coatings (TBCs) of Al₂O₃+ZrO₂ were deposited on SUS304 substrates by gas tunnel type plasma spraying. A common-used potentiostatic anodic polarization test procedure was used to measure the corrosion characteristics of the coatings. The coatings prepared with different Al₂O₃+ZrO₂ mixing ratios and different thicknesses were compared for corrosion resistance. The corrosion potential and deactivated corrosion current density obtained from the coatings were related to the coating microstructure. The results show that the higher alumina content and the thicker the coatings, the better the corrosion resistance, which is attributed to the resistance of coatings. The coating porosity and thickness played the important roles on the corrosion behavior of Al₂O₃+ZrO₂ coated SUS304 substrate.
citation_title	Corrosion Resistance of Al2O3+ZrO2 Composite Coatings Sprayed on Stainless Steel Substrates
citation_author	Zhang, Jialiang
citation_author	Kobayashi, Akira
citation_publisher	大阪大学接合科学研究所
citation_language	英語
citation_date	2005-12
citation_journal_title	Transactions of JWRI
citation_volume	34
citation_issue	2
citation_firstpage	17
citation_lastpage	22
citation_issn	03874508
citation_public_url	http://hdl.handle.net/11094/11210
citation_keywords	Corrosion resistance
	Al₂O₃+ZrO₂ composite coatings
	Gas tunnel type plasma spraying
	Anodic polarization characterization

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