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Title: Reaction kinetic analysis of reactor surveillance data
Authors: Yoshiie, T.
Sato, K.
Xu, Q.
Nagai, Y.
Author's alias: 義家, 敏正
Keywords: Rate equation
Surveillance data
Issue Date: Jun-2015
Publisher: Elsevier B.V.
Journal title: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
Volume: 352
Start page: 125
End page: 129
Abstract: In reactor pressure vessel surveillance data, it was found that the concentration of matrix defects was very low even after nearly 40 years of operation, though a large number of precipitates existed. In this paper, defect structures obtained from surveillance data of A533B (high Cu concentration) were simulated using reaction kinetic analysis with 11 rate equations. The coefficients used in the equations were quite different from those obtained by fitting a Fe-0.6 wt%Cu alloy irradiated by the Kyoto University Reactor. The difference was mainly caused by alloying elements in A533B, and the effect of alloying elements was extracted. The same code was applied to low-Cu A533B irradiated with high irradiation damage rate, and the formation of voids was correctly simulated.
Description: Available online 30 January 2015
Rights: © 2015. This manuscript version is made available under the CC-BY-NC-ND 4.0 license
The full-text file will be made open to the public on 30 January 2017 in accordance with publisher's 'Terms and Conditions for Self-Archiving'.
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.nimb.2015.01.028
Appears in Collections:Journal Articles

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