The balanced flow type condenser is one of important part used in the air-conditioner of automobile. The manufacture needs the surface of aluminum multi-void to be coated with zinc. One of economical and efficient process is the automatic wire arc spray, in which the maintain of temperature and the in-process speed can make key effects on the quality of coatings. The relation between substrate temperature and the composition, structure and corrosion resistance of the coating of aluminum multi-void are mainly discussed to confirm the best in-process speed of aluminum multi-void, the maintain of temperature and the parameters of arc spraying. Abstract only; no full-text paper available.

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