Progresses and Problems in the Research of Electrochemical Behaviors Within Stress Corrosion Cracks
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摘要: 應力腐蝕裂縫內電化學行為的研究方法分為實際測量、模擬測試和理論計算三種。本文簡略地介紹和評述了各種研究方法的進展情況及優缺點。存在的主要問題是:裂尖的電化學動力學過程、裂縫內電流及阻抗的分布規律、外部極化對裂尖電化學狀態的影響等尚不清楚。Abstract: The methods for the research on the electrochemical behaviors within stress corrosion cracks are reviewed, which consisted of pratical and modeled measurements and theoretical alalysis.Three important but unclear problems are also presented, these are processes of electrochemical kinetics at cracktips, the distributions of current and inpedence within cracks and the influence of polarization on the electrochemistry of crack tips.
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Key words:
- stress corrosion crack /
- electrochemical /
- crack tip
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