Oxidation Behavior of a New Ni-base Superalloy in Air at 850°Cand 950°C

被引：1
|
作者：
Yang, Junbao [1 ,2 ]
Qiu, Keqiang [1 ]
Lu, Xudong [1 ,2 ]
Hu, Zhuangqi [2 ,3 ]
机构：
[1] Shenyang Univ Technol, Shenyang 110870, Peoples R China
[2] Shenyang Ligong Univ, Shenyang 110159, Peoples R China
[3] Inst Met Sci & Technol, Shenyang 110016, Peoples R China
来源：
MATERIALS AND MANUFACTURING, PTS 1 AND 2 | 2011年 / 299-300卷
关键词：
Ni-base Superalloy; high temperature oxidation; kinetics;
D O I：
10.4028/www.scientific.net/AMR.299-300.466
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The oxidation behavior of the Ni-base superalloy was studied at 850 degrees C and 950 degrees C for 100 h in air using XRD and SEM/EDAX. The mass gain of the alloy at 850 degrees C was found to be lower than that of the alloy at 950 degrees C. The oxidation rate was determined by temperatures. The alloy obeyed a subparabolic rate law during oxidation at 850 degrees C and 950 degrees C. The scale consisted of an outer porous layer of TiO2, a middle continuous layer of Cr2O3, and inner Al2O3.
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页码：466 / +
页数：2
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