在240小时腐蚀时间过后,在铜侧的点扫结果出现了较高含量的O、Al元素,表明在铝侧的腐蚀产物已经开始越过焊缝覆盖到铜侧,在其表面覆盖了的一层腐蚀产物。
After 240 hours of corrosion time, the results of spot scanning on the copper side showed a higher content of O and Al elements, indicating that the corrosion products on the aluminum side had begun to cross the weld and cover the copper side, and a layer on the surface was covered Corrosion products.