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Effect of dislocations on helium retention in deformed pure iron
Gong YH(龚毅豪); Cao XZ(曹兴忠); Jin SX(靳硕学); Lu EY(卢二阳); Zhu T(朱特); Kuang P(况鹏); Gong, YH; Cao, XZ; Jin, SX; Lu, EY; Hu, YC; Zhu, T; Kuang, P; Xu, Q; Wang, BY
2016
发表期刊JOURNAL OF NUCLEAR MATERIALS
卷号482页码:93-98
通讯作者曹兴忠
文章类型期刊论文
摘要The effects of dislocations created by deformation on helium retention in pure iron, including the helium atoms diffusion along the dislocation line and desorption from dislocation trapping sites, were investigated. The dislocation defect was introduced in specimens by cold-rolling, and then 5 keV helium ions were implanted into the deformed specimens. Slow positron beam technology and thermal desorption spectroscopy were used to investigate the evolution of dislocation defects and the desorption behavior of helium atoms under influence of dislocation. The behaviors of S-E, W-E and S-W plots indicate clearly that lots of helium atoms remain in the deformed specimen and helium atoms combining with dislocation change the distribution of electron density. The helium desorption plot indicates that dislocation accelerates helium desorption at 293 K-600 K and facilitates helium dissociation from HenVm (n/m = 1.8) cluster. (C) 2016 Elsevier B.V. All rights reserved.
关键词Helium diffusion Dislocation Thermal desorption Positron annihilation
DOI10.1016/j.jnucmat.2016.10.014
关键词[WOS]SLOW POSITRON BEAM ; MECHANICAL-PROPERTIES ; THERMAL-DESORPTION ; VACANCY CLUSTERS ; PIPE DIFFUSION ; FE ; IRRADIATION ; DEFECTS ; ANNIHILATION ; TEMPERATURE
语种英语
WOS类目Materials Science, Multidisciplinary ; Nuclear Science & Technology
WOS记录号WOS:000387966100013
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/260342
专题多学科研究中心
作者单位中国科学院高能物理研究所
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GB/T 7714
Gong YH,Cao XZ,Jin SX,et al. Effect of dislocations on helium retention in deformed pure iron[J]. JOURNAL OF NUCLEAR MATERIALS,2016,482:93-98.
APA 龚毅豪.,曹兴忠.,靳硕学.,卢二阳.,朱特.,...&Wang, BY.(2016).Effect of dislocations on helium retention in deformed pure iron.JOURNAL OF NUCLEAR MATERIALS,482,93-98.
MLA 龚毅豪,et al."Effect of dislocations on helium retention in deformed pure iron".JOURNAL OF NUCLEAR MATERIALS 482(2016):93-98.
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