Damage rate dependence of defect cluster nucleation in tungsten during irradiation

被引：4
|
作者：
Yamamoto, Y. [1 ]
Yoshimatsu, J. [1 ]
Morishita, K. [2 ]
机构：
[1] Kyoto Univ, Grad Sch Energy Sci, Kyoto 6110011, Japan
[2] Kyoto Univ, Inst Adv Energy, Kyoto 6110011, Japan
来源：
JOURNAL OF NUCLEAR MATERIALS | 2013年 / 442卷 / 1-3期
关键词：
VOIDS;
D O I：
10.1016/j.jnucmat.2013.04.014
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Kinetic Monte-Carlo simulations were performed to investigate the damage rate (dpa/s) dependence of void nucleation in tungsten during irradiation. Simulation results indicated that, at temperatures where vacancies can move easily, the void nucleation rate decreases with increasing temperature due to the thermal instability of voids. At relatively high temperatures, no voids were observed unless the damage rate was high enough to nucleate them. (C) 2013 Elsevier B.V. All rights reserved.
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页码：S773 / S775
页数：3
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