[請益] 螺絲生鏽
各位板上大家新年快樂~
小弟目前有遇到一個問題~
複合螺絲(頭端為不鏽鋼,尾端為碳鋼)~
但是成品在做鹽霧試驗時,頭端就有生鏽的情況~
頭端表面有鍍鋅~
是不是因為實驗室操作不當所造成有生鏽~
還是鍍鋅過程產生問題~
謝謝~
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