对旋压及标准处理、阳极氧化和化学铣切表面处理的卷焊LF6铝合金进行深海暴露1年腐蚀试验. 通过腐蚀宏观和微观形貌及成分测定结果可知, 旋压铝筒耐蚀性能优于卷板焊接铝筒, 经阳极氧化表面处理的卷焊铝筒的耐蚀性优于标准处理和化学铣切的耐蚀性. 在卷焊铝筒焊缝上基本未发生腐蚀, 焊缝附近的区域却有较深的蚀坑. 焊缝内第二相的规则排列及富锰相相对LF6合金基体较少是焊缝耐腐蚀的原因.
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