The results of visual inspection, microscopic inspection and corrosion product analysis revealed that stress corrosion was the main cause of the grid collapse.
The results of visual inspection, microscopic inspection and corrosion product analysis revealed that stress corrosion was the main cause of the grid collapse.
通过对断裂钢丝进行宏观、显微及腐蚀产物的分析，确定钢丝断裂的主要原因为应力腐蚀开裂。