Oxidation behavior of Fe-20Cr-25Ni-Nb austenitic stainless steel in high-temperature environment with small amount of water vapor

被引：55

作者：

Chen, Hongsheng ^{[1
,2
]}

Wang, Haibo ^{[3
]}

Sun, Qingzhu ^{[3
]}

Long, Chongsheng ^{[1
]}

Wei, Tianguo ^{[1
]}

Kim, Sung Hwan ^{[2
]}

Chen, Junjie ^{[2
]}

Kim, Chaewon ^{[2
]}

Jang, Changheui ^{[2
]}

机构：

[1] Nucl Power Inst China, Sci & Technol Reactor Fuel & Mat Lab, Chengdu 610213, Sichuan, Peoples R China

[2] Korea Adv Inst Sci & Technol, Dept Nucl & Quantum Engn, Daejeon 34141, South Korea

[3] Panzhihua Coll, Panzhihua Int Sch Vanadium & Titanium, Panzhihua 617000, Peoples R China

来源：

CORROSION SCIENCE | 2018年 / 145卷

关键词：

Stainless steel; SEM; XRD; High-temperature corrosion; Oxidation; FUEL CLADDING MATERIAL; INTERMETALLIC ALLOYS; OXIDE LAYER; NB; NI; CO2; CR; DISPERSION; KINETICS; GROWTH;

D O I：

10.1016/j.corsci.2018.09.016

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The oxidation behavior of a Fe-20Cr-25Ni-Nb austenitic stainless steel was investigated in an oxidizing environment at 1000 degrees C. Results show that an accelerated oxidation occurs after a transition point and some oxide nodules with two layers are formed on the steel surface. The oxidation of intergranular Fe2Nb phases can induce micro-cracks and promotes the formation of re-generated Cr2O3 phases. The formation and growth of the regenerated Cr2O3 phases are related to the cracking and spallation of the oxide scale, which result in the formation of these oxide nodules and the associative accelerated oxidation.

引用

页码：90 / 99

页数：10

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