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清华大学
纸质出版日期:1982-12
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郁伟中, 饶建锡, 何元金, 等. 用正电子寿命方法研究钢中氢损伤[J]. 核技术, 1982,05(6):52-54.
Weizhong Yu, Jianxi Yao, Yuanjin He, et al. Examination of hydrogen damage in steel by positron lifetime method[J]. Nuclear techniques, 1982, 05(6): 52-54.
氢损伤是目前材料科学中的一个重大课题,一般认为氢会造成氢脆、发裂、白点等缺陷。在氢损伤机制的研究中,搞清固溶氢以什么形态存在及固溶氢是否会导致钢的晶体缺陷是很有意义的。
The positron lifetime measurements have been used to detect the microstructure changes in OCr13Ni4Mo and 20MnTiB steel during hydrogen charging. It has been found that hydrogen can exist in the form of H
+
hydrogen charging leads to the increasing of the dislocation densities
and stress can enhance the increasing strongly. After heating the samples to 200℃
the hydrogen had been expeled from the samples.
P. W. Kao et al ., Phil . Mag. , 39 , 517 ( 1979 ).
堂山昌男 , 铁と钢 , 61 , S234 ( 1975 ).
F. Alex et al . , Effect of Hydrogen on Behavior of Materials , 496 ( 1976 ).
K. Hinode et al ., J. Phys. Soc. Japan , 45 , 1858 ( 1978 ).
W. Brandt , Appl. Phys. , 5 , 1 ( 1974 ).
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