Effect of Hf addition in (Ni,Pt)Al bond coat on thermal cycling behavior of a thermal barrier coating system at 1100 °C

被引：34

作者：

Jiang, Chengyang ^{[1
,2
]}

Li, Shuai ^{[1
]}

Liu, He ^{[1
]}

Bao, Zebin ^{[1
]}

Zhang, Jianqiang ^{[3
]}

Zhu, Shenglong ^{[1
]}

Wang, Fuhui ^{[2
]}

机构：

[1] Chinese Acad Sci, Inst Met Res, Wencui Rd 62, Shenyang 110016, Peoples R China

[2] Northeastern Univ, Shenyang Natl Lab Mat Sci, Wenhua Rd 3, Shenyang 110819, Peoples R China

[3] Univ New South Wales, Sch Mat Sci & Engn, Sydney, NSW 2052, Australia

来源：

CORROSION SCIENCE | 2020年 / 166卷

基金：

中国国家自然科学基金;

关键词：

Thermal barrier coatings; Platinum; Hafnium; Thermal cycling; Rumpling; MARTENSITIC-TRANSFORMATION; OXIDATION BEHAVIOR; FAILURE MECHANISMS; SPALLING FAILURE; STRESS; PLATINUM; FILMS; INTERFACE; OXIDE;

D O I：

10.1016/j.corsci.2019.108424

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Thermal cycling behavior of thermal barrier coatings deposited on Hf-doped (Ni,Pt)Al bond coats were investigated, comparing with conventional (Ni,Pt)Al at 1100 degrees C, to elucidate the effect of Hf addition into (Ni,Pt)Al bond coat on failure mode of TBCs. The results revealed that thermal cycling resistance of TBCs was significantly improved with addition of Hf, where relatively lower oxidation rate constant and decreased scale rumpling tendency were achieved. The effects of Hf incorporation on scale rumpling tendency and failure modes of the TBCs were discussed. Moreover, residual stress, Young's modulus and hardness in top coat were determined with increasing thermal cycles.

引用

页数：13

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