Grain boundary engineering of austenitic steel PNC316 for use in nuclear reactors

Sekine, M.; Sakaguchi, N.; Endo, M. et al.

Journal of Nuclear Materials, 2011, 414(2), 232-236

Permalink : https://hdl.handle.net/2115/47606

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アクセス権
open access
URI
https://hdl.handle.net/2115/47606
タイトル
Grain boundary engineering of austenitic steel PNC316 for use in nuclear reactors
著者
Sekine, M. ; Sakaguchi, N. ; Endo, M. ; Kinoshita, H. ; Watanabe, S. ; Kokawa, H. ; Yamashita, S. ; Yano, Y. ; Kawai, M.
著者名
Sekine, M.
e-Rad_Researcher
70344489
著者名
Sakaguchi, N.
著者名
Endo, M.
著者名
Kinoshita, H.
著者名
Watanabe, S.
著者名
Kokawa, H.
著者名
Yamashita, S.
著者名
Yano, Y.
著者名
Kawai, M.
言語
英語
キーワード
grain boundary engineering
coincidence lattice site boundary
random grain boundary
cold working
electron irradiation
PNC316
発行日
2011-07-15
出版者
Elsevier B.V.
収録物名
Journal of Nuclear Materials
巻(号)
414(2)
ページ
232-236
抄録
Austenitic stainless steel PNC316 was subjected to grain boundary engineering (GBE). It was found that the grain boundary engineered PNC316 (PNC316-GBEM) had a coincidence site lattice (CSL) fraction of 86% and that the network of random grain boundaries was perfectly divided by the CSL boundaries. The thermal stability and the void swelling behavior of PNC316-GBEM were investigated by means of SEM and TEM analyses. After thermal aging at 973 K for 100 h, structural changes were observed neither in the grain boundary networks of PNC316-GBEM nor in another sample of PNC316-GBEM subjected to 20% additional cold rolling, PNC316-GBEM20%CW. PNC316-GBEM showed a higher void swelling rate than as-received PNC316 (PNC316-AS). However, with additional 20% cold rolling after GBE, the void swelling rate decreased to as low as that of PNC316-AS.
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.2011.03.049