The atmospheric corrosion of steels in polluted environment was studied through atmosphericexposure test and the corrosion products were analyzed by SEM and XRD.
The exposure used in this practice is not intended to simulate the deterioration caused by localized weather phenomena such as atmospheric pollution, biological attack, and saltwater exposure.
本标准使用的老化条件并不试图去模拟当地气候现象如大气污染、生物侵蚀，以及盐水老化导致的性能退化。
3
Exposure to this atmospheric pollutant usually occurs in industrial situations and in the chemical industries.