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Title: Effect of alloying elements on irradiation hardening behavior and microstructure evolution in BCC Fe
Authors: Yabuuchi, Kiyohiro  kyouindb  KAKEN_id
Kasada, Ryuta  kyouindb  KAKEN_id
Kimura, Akihiko  kyouindb  KAKEN_id
Author's alias: 藪内, 聖皓
笠田, 竜太
木村, 晃彦
Issue Date: Nov-2013
Publisher: Elsevier B.V.
Journal title: Journal of Nuclear Materials
Volume: 442
Issue: 1-3, Supplement 1
Start page: S790
End page: S795
Abstract: Ion irradiations with 6.4 MeV Fe^[3+] were performed on pure-Fe, Fe–1 at.% Cr, Fe–1 at.% Mn, and Fe–1 at.% Ni to a nominal damage of 1 dpa, at a damage rate of 1 X 10^[−4] dpa/s, at irradiation temperatures of 473, 563, and 673 K. After irradiations at 473 and 563 K, Fe–1Mn and Fe–1Ni showed significant irradiation hardening, which was due to irradiation induced dislocation loops in high density. In pure-Fe, the dislocation loops were localized in the vicinity of dislocations, while those in Fe alloys were distributed rather homogeneously. This can be interpreted in terms of the interaction between alloying element and dislocation strain field. Irradiation at 673 K resulted in the formation of voids in pure-Fe, Fe–1Cr, and Fe–1Mn. We found that chromium suppressed void swelling.
Rights: © 2013 Elsevier B.V.
This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。
DOI(Published Version): 10.1016/j.jnucmat.2013.04.035
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