GB/T 29088-2012 in English
VALIDCorrosion of metals and alloys—Electrochemical potentiokinetic reactivation measurement using the double loop method
- Issued on:2012-12-31
- Implemented on:2013-10-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$204.00
《GB/T 29088-2012金属和合金的腐蚀 双环电化学动电位再活化测量方法》由TC183(全国钢标准化技术委员会)归口,TC183SC11(全国钢标准化技术委员会金属和合金的腐蚀分会)执行,主管部门为中国钢铁工业协会。
Scope
This standard specifies the method for evaluating the degree of sensitization (DOS) of stainless steel and nickel-based alloys using the double-loop electrochemical potentiodynamic reactivation (DL-EPR) test. This standard is applicable to the quantitative measurement of alloy element-poor areas formed by grain boundaries or matrix due to harmful thermal effects. Because the distribution of the sensitized zone along the fusion line may be non-uniform, special care should be taken when testing the heat-affected zone of welds. The test results can be used as potential susceptibility indicators for judging intergranular corrosion, pitting corrosion and intergranular stress corrosion cracking of stainless steel and nickel-based alloys, but specific supplementary tests are required for the prediction of corrosion types.

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