The sacrificial anodic effect of Al-Zn alloy reduces markedly in aluminium heat exchanger as car air-conditioner manufactured by vacuum brazing conventionally used, as zinc elements preferentially evaporate in vacuum-heating. It was found that Al-Sn alloy had superior electrochemical characteristics than Al-Zn alloy (AA7072) as the sacrificial anodic material used in vacuum brzing.According to many experimental results, the new brazing sheet-fin with Al-Mn-Sn alloy core metal has been developed. This fin has favorable formability and prominent sacrificial anodic effect. Therefore, this fin is excellent material for car air-conditioner manufactured by vacuum brazing.


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    Title :

    Development of Corrosion Resistant Aluminum Heat Exchanger, Part 1: Development of New Aluminum Alloy Sheets for Sacrificial Anode


    Additional title:

    Sae Technical Papers


    Contributors:
    Iljima, K. (author) / Hagiwara, M. (author) / Miura, T. (author) / Baba, Y. (author) / Hasegawa, Y. (author) / Tanabe, Z. (author)

    Conference:

    SAE International Congress and Exposition ; 1986



    Publication date :

    1986-03-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English







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