Residual ferrite formation in 12CrODS steels

Ukai, S.; Kudo, Y.; Wu, X.; Oono, N.; Hayashi, S.; Ohtsuka, S.; Kaito, T.

Residual ferrite formation in 12CrODS steels

Ukai, S.; Kudo, Y.; Wu, X. et al.

Journal of nuclear materials, 2014, 455(1-3), 700-703

Permalink : https://hdl.handle.net/2115/58009

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アクセス権	open access
URI	https://hdl.handle.net/2115/58009
タイトル	Residual ferrite formation in 12CrODS steels
著者	Ukai, S. ; Kudo, Y. ; Wu, X. ; Oono, N. ; Hayashi, S. ; Ohtsuka, S. ; Kaito, T.
e-Rad_Researcher 00421529 著者名 Ukai, S.
著者名 Kudo, Y.
著者名 Wu, X.
著者名 Oono, N.
著者名 Hayashi, S.
著者名 Ohtsuka, S.
著者名 Kaito, T.
言語	英語
キーワード	ODS
	12Cr
	Martensite
	Full-ferrite
	Residual ferrite
	α/γ phase transformation
	Pinning force
	Chemical driving force
	Fusion materials
発行日	2014-12
出版者	Elsevier
収録物名	Journal of nuclear materials
巻(号)	455(1-3)
ページ	700-703
抄録	Increasing Cr content from 9 to 12 mass% leads to superior corrosion and high-temperature oxidation resistances, and usually changes microstructure from martensite to a ferrite. To make transformable martensitic type of 12CrODS steels that have superior processing capability by using alpha/gamma phase transformation, alloy design was conducted through varying nickel content. The structure of 12CrODS steels was successfully modified from full ferrite to a transformable martensite-base matrix containing ferrite. This ferrite consists of both equilibrium ferrite and a metastable residual ferrite. It was shown that the fraction of the equilibrium ferrite is predictable by computed phase diagram and formation of the residual ferrite was successfully evaluated through pinning of alpha/gamma interfacial boundaries by oxide particles.
資源タイプ	学術雑誌論文
出版タイプ	Accepted Manuscript
PISSN	0022-3115
関連情報 (isVersionOf)	出版社版DOI https://doi.org/10.1016/j.jnucmat.2014.09.038