Vacancy-type defects and hardness of helium implanted CLAM steel studied by positron-annihilation spectroscopy and nano-indentation technique
Xin, Y; Ju, X; Qiu, J; Guo, LP; Chen, JH; Yang, Z; Zhang, P; Cao, XZ; Wang, BY;张鹏(正); Cao XZ(曹兴忠); Wang BY(王宝义)
刊名FUSION ENGINEERING AND DESIGN
2012
卷号87期号:5-6页码:432-436
关键词CLAM steel Helium implantation Positron-annihilation spectroscopy Nano-indentation technique
学科分类Nuclear Science & Technology
DOI10.1016/j.fusengdes.2011.12.004
英文摘要China Low Activation Martensitic(CLAM)steel was implanted with helium up to 1e + 16/cm(2) at 300-873 K using 140 keV helium ions. Vacancy-type defects induced by implantation were investigated with positron beam Doppler broadening technique, and then nano-hardness measurements were performed to investigate helium-induced hardening effect. He implantation produced a large number of vacancy-type defects in CLAM steel, and the concentration of vacancy-type defects decreased with increasing temperature. Vacancy-helium complexes were main defects at different temperatures. Irradiation induced hardening was observed at all irradiation temperatures, and the peak value of hardness was at 473 K. The result suggested that both vacancy-helium complexes and helium bubbles had contribution to irradiation induced hardening. The decomposition and annihilation of irradiation-induced defects became more and more significant with increasing temperature, which induced the increment of hardness became more and more small. (C) 2011 Elsevier B.V. All rights reserved.
收录类别SCI
WOS记录号WOS:000309781400011
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被引频次:15[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/311005/223982
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
中国科学院高能物理研究所_多学科研究中心
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Xin, Y,Ju, X,Qiu, J,et al. Vacancy-type defects and hardness of helium implanted CLAM steel studied by positron-annihilation spectroscopy and nano-indentation technique[J]. FUSION ENGINEERING AND DESIGN,2012,87(5-6):432-436.
APA Xin, Y.,Ju, X.,Qiu, J.,Guo, LP.,Chen, JH.,...&王宝义.(2012).Vacancy-type defects and hardness of helium implanted CLAM steel studied by positron-annihilation spectroscopy and nano-indentation technique.FUSION ENGINEERING AND DESIGN,87(5-6),432-436.
MLA Xin, Y,et al."Vacancy-type defects and hardness of helium implanted CLAM steel studied by positron-annihilation spectroscopy and nano-indentation technique".FUSION ENGINEERING AND DESIGN 87.5-6(2012):432-436.
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