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表面处理Featured

酸洗钝化后出现黄斑是什么原因

孙孙表面·11/6/2026, 1:59:13 AM👁 167

316L 焊接件酸洗钝化后局部黄斑，重新酸洗也好不了。是材料问题还是工艺问题？

#酸洗#钝化#缺陷

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孙

孙表面11/7/2026

常见是酸洗液铁离子饱和，或者钝化前水洗不彻底。换槽+加强水洗试试。