典型文献
The thin-wall debit of a typical cast polycrystalline M951 alloy
文献摘要：
The effect of specimen thickness on the rupture properties of cast Ni-based polycrystal superalloy M951 was investigated in this paper.The results of the rupture tests in air under 980℃/90 MPa revealed that the rupture life and elongation obviously decreased with decreasing specimen thickness.The thin-wall effect for polycrystal superalloy M951 is associated with several factors.First,the surface oxidation and internal nitridation induce the reduction in the load-bearing section,which accelerates the rupture fracture of thin specimens.Second,the combined effect of oxidation and stress at the surface grain boundary facilitates the premature initiation and propagation of the surface cracks in thin specimen.Third,the through-grain boundaries introduce by specimens machining are detrimental for rupture property.A direct comparison of rupture properties of thin-wall samples with different grain morphologies indicate that thin-wall effect can be diminished by avoiding through-grain boundary introduction.
文献关键词：
中图分类号：
作者姓名：
Qi Li;Jun Xie;JinJiang Yu;Delong Shu;Guichen Hou;Xiaofeng Sun;Yizhou Zhou
作者机构：
Shi-Changxu Innovation Center for Advanced Materials,Institute of Metal Research,Chinese Academy of Sciences,Shenyang,110016,China;School of Materials Science and Engineering,University of Science and Technology of China,Shenyang,110016,China
文献出处：
引用格式：
[1]Qi Li;Jun Xie;JinJiang Yu;Delong Shu;Guichen Hou;Xiaofeng Sun;Yizhou Zhou-.The thin-wall debit of a typical cast polycrystalline M951 alloy)[J].自然科学进展·国际材料（英文）,2022(01):104-113
A类：
debit,M951
B类：
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AB值：
0.503358
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