Extraction residue analysis on F82H-BA07 heat and other reduced activation ferritic/martensitic steels

Takuya Nagasaka; Yoshimitsu Hishinuma; Takeo Muroga; Yanfen Li; Hideo Watanabe; Hiroyasu Tanigawa; Hideo Sakasegawa; Masami Ando

doi:10.1016/j.fusengdes.2010.11.006

Extraction residue analysis on F82H-BA07 heat and other reduced activation ferritic/martensitic steels

Takuya Nagasaka, Yoshimitsu Hishinuma, Takeo Muroga, Yanfen Li, Hideo Watanabe, Hiroyasu Tanigawa, Hideo Sakasegawa, Masami Ando

Division of Nuclear Fusion Dynamics

Research output: Contribution to journal › Article

8 Citations (Scopus)

Abstract

Extraction residue analysis was conducted on reduced activation ferritic/martensitic steels, such as F82H-BA07 heat, F82H-IEA heat, JLF-1 JOYO heat and CLAM steel. M₂₃C₆ type precipitates, TaC precipitates and Fe₂W Laves phase were identified in the present analyses. M₂₃C₆ precipitates were coarsened in F82H-BA07 compared with the other steels at as-normalized and tempered (NT) condition. TaC precipitate formation was enhanced in JLF-1 and CLAM compared with F82H-BA07 and F82H-IEA at as-NT condition. Laves phase were detected in F82H-IEA after aging above 550 °C, where solid solution W was significantly decreased. F82H-IEA exhibited hardening after aging at 400 and 500 °C for 100 khr, whereas softening at 600 and 650 °C. This behavior is similar to JLF-1 and CLAM, and can be understood by precipitation of TaC and Laves phase.

Original language	English
Pages (from-to)	2581-2584
Number of pages	4
Journal	Fusion Engineering and Design
Volume	86
Issue number	9-11
DOIs	https://doi.org/10.1016/j.fusengdes.2010.11.006
Publication status	Published - Oct 1 2011

All Science Journal Classification (ASJC) codes

Civil and Structural Engineering
Nuclear Energy and Engineering
Materials Science(all)
Mechanical Engineering

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Nagasaka, T., Hishinuma, Y., Muroga, T., Li, Y., Watanabe, H., Tanigawa, H., Sakasegawa, H., & Ando, M. (2011). Extraction residue analysis on F82H-BA07 heat and other reduced activation ferritic/martensitic steels. Fusion Engineering and Design, 86(9-11), 2581-2584. https://doi.org/10.1016/j.fusengdes.2010.11.006

Extraction residue analysis on F82H-BA07 heat and other reduced activation ferritic/martensitic steels. / Nagasaka, Takuya; Hishinuma, Yoshimitsu; Muroga, Takeo; Li, Yanfen; Watanabe, Hideo; Tanigawa, Hiroyasu; Sakasegawa, Hideo; Ando, Masami.

In: Fusion Engineering and Design, Vol. 86, No. 9-11, 01.10.2011, p. 2581-2584.

Research output: Contribution to journal › Article

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abstract = "Extraction residue analysis was conducted on reduced activation ferritic/martensitic steels, such as F82H-BA07 heat, F82H-IEA heat, JLF-1 JOYO heat and CLAM steel. M23C6 type precipitates, TaC precipitates and Fe2W Laves phase were identified in the present analyses. M23C6 precipitates were coarsened in F82H-BA07 compared with the other steels at as-normalized and tempered (NT) condition. TaC precipitate formation was enhanced in JLF-1 and CLAM compared with F82H-BA07 and F82H-IEA at as-NT condition. Laves phase were detected in F82H-IEA after aging above 550 °C, where solid solution W was significantly decreased. F82H-IEA exhibited hardening after aging at 400 and 500 °C for 100 khr, whereas softening at 600 and 650 °C. This behavior is similar to JLF-1 and CLAM, and can be understood by precipitation of TaC and Laves phase.",

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AU - Watanabe, Hideo

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AU - Ando, Masami

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