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金属学报  1984, Vol. 20 Issue (4): 261-387    
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Mn和Si对一种Fe-Ni基高温合金持久缺口敏感性的影响
魏翔云;杨奇斌
中国科学院金属研究所;中国科学院金属研究所
EFFECT OF Mn AND Si ON NOTCH SENSITIVITY OF AN Fe-Ni BASE SUPERALLOY
WEI Xiangyun; YANG Qibin (Institute of Metal Research; Academia Sinica; Shenyang) (Manuscript received 21 July; 1983; revised manuscript 16 December; 1983)
引用本文:

魏翔云;杨奇斌. Mn和Si对一种Fe-Ni基高温合金持久缺口敏感性的影响[J]. 金属学报, 1984, 20(4): 261-387.
, . EFFECT OF Mn AND Si ON NOTCH SENSITIVITY OF AN Fe-Ni BASE SUPERALLOY[J]. Acta Metall Sin, 1984, 20(4): 261-387.

全文: PDF(1471 KB)  
摘要: 对一种高强度Fe-Ni基高温合金研究表明,当Mn,Si含量偏高时该合金产生持久缺口敏感,通过热处理制度调整亦难以消除。电子显微镜观察与分析表明,晶界上的薄膜状硼化物是导致合金缺口敏感的主要原因。
Abstract:The effect of Mn and Si contained on the notch sensitivity of an Fe-Ni base superalloy has been studied. It was shown that the overabundant contents of Mn and Si lead the alloy to notch sensitivity which can hardly be improved even by heat treatment. Analysis and observation under electron microscope indicated that it seems to attribute the notch sensitivity of the alloy to the film-like boride along the grain boundaries substantially.
收稿日期: 1984-04-18     
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