金属学报  1987, Vol. 23 Issue (1): 89-91

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氢致Fe-3%Si沿晶界解理断裂

王燕斌;褚武扬;肖纪美

北京钢铁学院;北京钢铁学院;北京钢铁学院

HYDROGEN INDUCED INTERGRANULAR CLEAVAGE IN Fe-3%Si ALLOY

WANG Yanbin CHU Wuyang XIAO Jimei (Beijing University of Iron and Steel Technology)

王燕斌;褚武扬;肖纪美. 氢致Fe-3%Si沿晶界解理断裂[J]. 金属学报, 1987, 23(1): 89-91.
, , . HYDROGEN INDUCED INTERGRANULAR CLEAVAGE IN Fe-3%Si ALLOY[J]. Acta Metall Sin, 1987, 23(1): 89-91.

摘要 参考文献 相关文章 Metrics 全文: PDF(1104 KB)   摘要: <正> 沿晶断裂是氢致开裂的一个重要方式.有人在氢致沿晶断口上观察到大量塑性变形,因而认为氢促进沿晶断裂是氢促进局部塑性变形的结果.但也有人认为是由于氢降低了晶界原子问的结合力造成的。用高压电镜进行动态观察的结果表明,Fe 和 Ni 中氢致沿晶界断裂实际上是由于晶界附近高度塑性变形引起的沿晶界附近的滑移面开裂.我们的工作表明,氢能够促进位错的增殖和运动.对于 Fe-3%Si 单晶体,氢能够促进由于位错运动和反应引起的沿{001}面解理。 Abstract：Single notched specimens,charged dynamically with hydrogen,were tested under ten- sion.It was shown that the hydrogen induced crack is propagated macroscopically along the grain boundary,but the fracture is revealed on fraetograph as along the cleavage planes immediately vicinal to the grain boundary.It seems to explain the above mentioned hardly by tde decohesive theory other than the mechanism of hydrogen facilitated cleavage pro- posed by the authors. 收稿日期: 1987-01-18      服务 把本文推荐给朋友 加入引用管理器 E-mail Alert RSS 作者相关文章 王燕斌 褚武扬 肖纪美 44.8K 链接本文: https://www.ams.org.cn/CN/      或      https://www.ams.org.cn/CN/Y1987/V23/I1/89 1 Beachem C D.Metall Trans,1972;3:437 2 Chu W Y(褚武扬),Li S Q(李世琼),Hsiao C M(肖纪美)et al.Corrosion,1980;36:475 3 Chu W Y(褚武扬),Hsiao C M(肖纪美),Li W X(李文学)et al.Metall Trans,1984;15A:2087 4 Yoshino K,McMahon C J Jr.Metall Trans,1974;5:363 5 Robertson I M,Tabata T,Wei W,et al.Sct Metall,1984;18:841 6 Wang Y B(王燕斌),Chu W Y(褚武扬),Hsiao C M(肖纪美),Scr Metall,1986;19:116 7 张统一,褚武扬,肖纪美.中国科学 A.1986;(3) :316 8 Wang Y B(王燕斌),Chu W Y(褚武扬),Hsiao C M(肖纪美).Scr Metall,1986;19:1157 9 Oriani R A.Josephic P H.Acta Metall,1977;25:979 10 Hirth J P.Metall Trans,1980;11A:861 No related articles found! Viewed Full text Abstract Cited   Shared      Discussed