Classification of Oxidation Behavior of Disilicides

Kurokawa, Kazuya; Yamauchi, Akira

Designing of Interfacial Structures (Solid State Phenomena: 127), 2007, 227-232

Permalink : https://hdl.handle.net/2115/17156

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アクセス権	open access
URI	https://hdl.handle.net/2115/17156
タイトル	Classification of Oxidation Behavior of Disilicides
著者	著者名 Kurokawa, Kazuya
著者	著者名 Yamauchi, Akira
言語	英語
キーワード	Disilicide
	High temperature oxidation
	Structure of oxide scale
	Classification of oxidation behavior
発行日	2007
出版者	Trans Tech Publications
収録物名	Designing of Interfacial Structures (Solid State Phenomena: 127)
ページ	227-232
記述	Proceedings of the International Workshop on Designing of Interfacial Structures in Advanced Materials and their Joints, May, 18-20, 2006, held in Osaka, Japan
抄録	This study focuses on classification of structures of oxide scales formed on disilicides. The oxide scales formed on disilicides can be grouped into 3 types, (a) silica scale, (b) mixed oxide (silica+metal oxide) scale, and (c) double layered (silica/metal oxide) scale. Disilicide that forms an oxide scale of the type (a) generally show excellent oxidation resistance. As such disilicides, there are FeSi2, CoSi2, MoSi2, WSi2, etc. In FeSi2 and CoSi2, a protective silica scale must be formed due to the selective oxidation of Si, whereas in MoSi2 and WSi2 evaporation of metal oxide plays an important role for the formation of a silica scale. Oxidation of TaSi2 and NbSi2 belonged to the type (b), and only CrSi2 the type (c).
資源タイプ	学術雑誌論文
出版タイプ	Accepted Manuscript
権利情報	the original is available online at www.scientific.net
PISSN	1012-0394