张亮,李晓刚,杜翠薇,梁平,刘志勇

• 1:北京科技大学材料科学与工程学院腐蚀与防护中心
• 2:北京科技大学材料科学与工程学院腐蚀与防护中心
• 3:北京科技大学材料科学与工程学院腐蚀与防护中心
• 4:北京科技大学材料科学与工程学院腐蚀与防护中心

摘要(Abstract)：

在不同应力和不同应变速率慢拉伸条件下,用电化学极化测量方法研究了X70管线钢在库尔勒土壤模拟溶液中的电化学行为。分析了应力和应变速率等因素对X70管线钢极化曲线的影响,并探讨了力学-电化学交互作用机理。试验结果表明:应力和应变能够明显影响X70管线钢在库尔勒土壤模拟溶液中的腐蚀行为,使得开路电位升高,腐蚀电流密度增大,腐蚀速率增加;而且静应力对阳极电流密度的影响明显大于对阴极电流密度的影响。

关键词(KeyWords)： X70管线钢;模拟溶液;电化学测量;腐蚀

Abstract:

Keywords:

基金项目(Foundation): 国家“十一五”科技支撑计划(2006BAK02B01);; 国家科技基础条件平台建设项目(2005DKA10400)

作者(Author): 张亮,李晓刚,杜翠薇,梁平,刘志勇

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