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EPR法在评价304L不锈钢晶间腐蚀敏感性中的应用 预览 被引量:5

Susceptibility of lntergranular Corrosion of 304L Stainless Steel Evaluated by EPR
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摘要 采用电化学动电位再活化法(EPR)研究了不同固溶处理和敏化处理状态的304L不锈钢晶间腐蚀行为。结果表明,EPR法可灵敏并定量评价304L不锈钢的晶间腐蚀敏感性;测量时,推荐采用1.0mol/L H2SO4+0.1mol/L KSCN混合溶液;304L晶间腐蚀敏化度随固溶处理时间的延长而减小,随敏化处理时间的延长而增大。 The degree of sensitization(DOS) in 304L stainless steel was studied by electrochemical potentio-kinetic reactivation(EPR) test. DOS of specimens reduced as the time of solution treatment increased and increased with the time of the sensitizing treatment. Mixed solution of 1.0 mol/L H2SO4 and 0. 01 mol/L KSCN is recommended as the testing solution 304L. EPR technique provides a sensitive, quantitative and nondestructive method for detecting the degrees of sensitization.
作者 方可伟 刘飞华 李岩 FANG Ke-wei, LIU Fei-hua, LI Yan (Suzhou Nuclear Power Research Institute, Suzhou 215004, China)
出处 《腐蚀与防护》 CAS 北大核心 2012年第10期867-871,共5页 Corrosion & Protection
关键词 电化学动电位再活化法 304L不锈钢 晶间腐蚀 敏化度 EPR 304L stainless steel intergranular corrosion DOS
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参考文献11

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二级参考文献2

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