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EFFECT OF POTENTIAL ON INTERACTION BETWEEN STRESS CORROSION CRACKING AND CORROSION FATIGUE OF AUSTENITIC STAINLESS STEEL IN BOILING 42% MgCl_2 SOLUTION

FENG Tao CHEN Liangshi KE Wei Corrosion Science Laboratory , Institute of Corrosion and Protection of Metals , Academia Sinica , Shenyang , China

金属学报(英文版)

The environment-sensitive fracture behaviour of 0Cr18Ni9Ti austenitic stainless steel in boiling 42% MgCl_2 under the specific load of low frequency and high mean stress was inves- tigated from the relations and differences of crack growth rates and fractographs between stress corrosion fatigue and stress corrosion cracking.The interaction between stress corro- sion cracking and corrosion fatigue was also studied from fracture characteristics with empha- sis on the effects of applied potential on the interaction.

关键词: environment-sensitive fracture , null , null , null

外加电位对奥氏体不锈钢应力腐蚀与腐蚀疲劳交互作用的影响

冯淘 , 陈良奭 , 柯伟

金属学报

本文研究了0Cr18Ni9Ti奥氏体不锈钢在42％沸腾MgCl_2中,在低频,高平均应力循环载荷下的环境敏感断裂行为,研究了应力腐蚀疲劳与应力腐蚀在裂纹扩展规律及断口形貌上的差别与联系。从断裂特征上分析了应力腐蚀与腐蚀疲劳的交互作用,并着重研究了外加极化电位对这种交互作用的影响。

关键词: 环境敏感断裂 , stress corrosion cracking , corrosion fatigue , stress corrosion fatigue , null

材料期刊网

EFFECT OF POTENTIAL ON INTERACTION BETWEEN STRESS CORROSION CRACKING AND CORROSION FATIGUE OF AUSTENITIC STAINLESS STEEL IN BOILING 42% MgCl_2 SOLUTION

外加电位对奥氏体不锈钢应力腐蚀与腐蚀疲劳交互作用的影响

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