Abstract: In machining the surfaces of aluminium alloy parts a re corroded by emulsion frequently.Applying syncrgistic effect of compound corr osion inhibitor,this problem was solved satisfactorily the result is introduc ed.

• 文摘:介绍了应用复合缓蚀剂的协合效应，来防止铝合金件在机械加工中，因乳化液的腐蚀，使工件表面发黑的现象。