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Standard
GB/T 29088-2012 Corrosion of metals and alloys—Electrochemical potentiokinetic reactivation measurement using the double loop method (English Version) |
Detail of GB/T 29088-2012
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Introduction of GB/T 29088-2012
本标准规定了使用双环电化学动电位再活化(DL-EPR)试验评定不锈钢和镍基合金敏化程度(DOS)的方法。
本标准适用于定量测量晶界或基体中由有害热效应影响所形成的合金元素贫乏区域。
因为沿融合线的敏化区分布可能是非均匀的,在测试焊缝热影响区时宜格外注意。
该试验结果可作为判断不锈钢和镍基合金晶间腐蚀、点蚀和晶间应力腐蚀开裂的潜在敏感性指标,但在进行腐蚀类型的预测时还需要进行特定的补充试验。
Contents of GB/T 29088-2012