Effect of Al addition on intergranular embrittlement behavior of GH3535 alloy induced by fission product Te

被引：9
|
作者：
Wang, J. M. [1 ]
Jia, Y. Y. [1 ]
Han, F. F. [1 ]
Lu, Y. L. [1 ]
Zhu, Z. Y. [2 ]
Ye, X. X. [1 ]
Wang, W. X. [1 ]
Wang, S. L. [1 ]
Zhou, X. T. [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Appl Phys, Ctr Thorium Molten Salts Reactor Syst, Shanghai 201800, Peoples R China
[2] Univ Shanghai Sci & Technol, Sch Mat Sci & Engn, Shanghai 200093, Peoples R China
来源：
CORROSION SCIENCE | 2022年 / 207卷
基金：
中国国家自然科学基金;
关键词：
GH3535; alloy; Aluminum modified; Intergranular embrittlement; Tensile property; TELLURIUM CORROSION; DIFFUSION BEHAVIOR; TEMPERATURE;
D O I：
10.1016/j.corsci.2022.110576
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effect of Al addition on Te diffusion behavior of a Ni-16Mo-7Cr base superalloy was investigated at 800 ? for 100 h. The results show that Ni3Te2 and Cr3Te4 are the mainly reaction products formed on the surface of Al -modified alloy. Although no aluminum telluride is detected both on the surface and in the alloy, the addition of Al promotes the formation of compact and continuous Cr(3)Te(4)layer on the surface, which effectively inhibits the diffusion of Te into the alloy. Moreover, Al can also promote the gamma' phase formation, and thus improve the tensile property of the alloy significantly.
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收藏
页数：10
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