Interaction between solute atoms and radiation defects in Fe-Ni-Si and Fe-Mn-Si alloys under irradiation with proton ions at low-temperature

被引：8

作者：

Murakami, Kenta ^{[1
]}

Iwai, Takeo ^{[2
]}

Abe, Hiroaki ^{[1
]}

Sekimura, Naoto ^{[3
]}

机构：

[1] Univ Tokyo, Sch Engn, Nucl Profess Sch, 2-22 Shirakata Shirane, Tokai, Ibaraki 3191188, Japan

[2] Yamagata Univ, Fac Med, 2-2-2 Iida Nishi, Yamagata, Yamagata 9909585, Japan

[3] Univ Tokyo, Sch Engn, Dept Nucl Engn & Management, Bunkyo Ku, 7-3-1 Tokyo, Hongo 1138656, Japan

来源：

JOURNAL OF NUCLEAR MATERIALS | 2016年 / 482卷

关键词：

Word; Radiation damage; Ion irradiation; Resistivity; Recovery stage; Reactor pressure vessel; PRESSURE-VESSEL STEELS; INTERSTITIAL MIGRATION; ELECTRICAL-RESISTIVITY; NEUTRON-IRRADIATION; MOLECULAR-DYNAMICS; PROBE TOMOGRAPHY; DILUTE ALLOYS; IRON-ALLOYS; RPV STEELS; NICKEL;

D O I：

10.1016/j.jnucmat.2016.10.010

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Isochronal annealing followed by residual resistivity measurements at 12 K was performed in Fe-0.6Ni-0.6Si and Fe-1.5Mn-0.6Si alloys irradiated with 1 MeV proton ions below 70 K, and recovery stages were compared with those of Fe-0.6Ni and Fe-1.5Mn. The effects of silicon addition in the Fe-Ni alloy was observed as the appearance of a new recovery stage at 282-372 K, presumably corresponding to clustering of solute atoms in matrix, and as a change in mixed dumbbell migration at 122-142 K. Silicon addition mitigated the manganese effect in Fe-Mn alloy that is obstructing the recovery of radiation defects. Reduction of resistivity in Fe-Mn-Si alloy also suggested formation of small solute atom clusters. (C) 2016 Published by Elsevier B.V.

引用

页码：47 / 52

页数：6

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