标准编号：ISO 18089:2015
中文名称：金属和合金的腐蚀 恒电位控制下不锈钢的临界缝隙温度（CCT）的测定
英文名称：Corrosion of metals and alloys — Determination of the critical crevice temperature (CCT) for stainless steels under potentiostatic control
发布日期：2015-11
标准范围
This International Standard describes the procedure for determining the critical crevice temperature(CCT) for stainless steels under potentiostatic control.The principal advantage of the test is the rapidity with which the CCT can be measured in a single testprocedure. The CCT, as determined in this International Standard, can be used as a relative index ofperformance, for example, to compare the relative performance of different grades of stainless steel.The test described in this International Standard is not intended to determine the temperature at whichcrevice corrosion will occur in service.This method is not intended for materials with critical pitting temperature (CPT) values below20 °C measured in accordance with ISO 17864, when measured in the same test solution and at thesame potential
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