Coarsening of MX Nitrides in Cr-Mo-N-X(X=V,Nb,Ti) Ferritic Steels

Deuck Seung Bae; Woo Sang Jung; Suk Woo Hong; Sang Min Song; Soon Hyo Chung; Kyung Tae Hong; Kyung Sub Lee

doi:10.4028/www.scientific.net/SSP.124-126.1661

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HomeSolid State PhenomenaSolid State Phenomena Vols. 124-126Coarsening of MX Nitrides in Cr-Mo-N-X(X=V,Nb,Ti)...

Coarsening of MX Nitrides in Cr-Mo-N-X(X=V,Nb,Ti) Ferritic Steels

Abstract:

Ferritic steels have been candidate structural materials for first wall and blanket structures of fusion power plant since the late 1970’s, when the fast-reactor irradiation showed them to be more swelling resistant than austenitic stainless steels. In this investigation, the coarsening of MX nitrides during aging was studied for Cr-Mo-N-X(X=V, Nb, Ti) ferritic steels. During the aging, (V, Nb, Ti)nitrides were precipitated out. From TEM observation, particle size distribution was confirmed and size distribution follows a typical log-normal distribution. The coarsening rate of MX nitrides was correlated with the Oswald ripening equation.

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Periodical:

Solid State Phenomena (Volumes 124-126)

Pages:

1661-1664

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.124-126.1661

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Online since:

June 2007

Authors:

Deuck Seung Bae, Woo Sang Jung, Suk Woo Hong, Sang Min Song, Soon Hyo Chung, Kyung Tae Hong, Kyung Sub Lee

Keywords:

Ferritic Steel, MX Nitride, Oswald Ripening

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