Failure analysis of the TP347H austenitic stainless steel tube of boiler reheater in a coal-fired power plant

被引：17

作者：

Zheng, Zhunbei ^{[1
]}

Zhang, Jun ^{[1
]}

Sun, Xingxin ^{[1
]}

Zhang, Jianwei ^{[1
]}

He, Hua ^{[1
]}

Lu, Xuegang ^{[2
]}

机构：

[1] Datang Northwest Elect Res Inst, Inst Met Technol, Xian 710021, Peoples R China

[2] Xi An Jiao Tong Univ, Sch Sci, MOE Key Lab Nonequilibrium Synth & Modulat Conden, Xian 710049, Peoples R China

来源：

ENGINEERING FAILURE ANALYSIS | 2021年 / 121卷

关键词：

Austenitic stainless steel; Reheater; Second phase; Deformation induced martensite; Magnetic property; DEFORMATION; MARTENSITE; CRACKING;

D O I：

10.1016/j.engfailanal.2020.105154

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The failure mechanism and the prevention method for TP347H stainless steel tube serviced in boiler reheater in a coal-fired power plant are presented in this paper. Through studies of detailed mechanical characteristics, microstructure, chemical composition and magnetic property, the mechanisms of reheater tube failure are found to be attributed to long-term overheating, second phase precipitating and coarsening along the grain boundary and formation of high content of deformation induced martensite (DIM) structure.

引用

页数：12

共 14 条

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