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    STP705

    Corrosion Testing of Furnace and Vacuum Brazed Aluminum Radiators

    Published: 0


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    Abstract

    To investigate the internal corrosion behaviors of aluminum radiators processed by vacuum brazing and furnace brazing with flux, respectively, a glassware test was conducted on a specimen and a coolant circulation test on actual radiator units.

    It was proved that the furnace-brazed radiator was superior to the vacuum-brazed radiator, as far as the corrosive resistance was concerned, since the former incorporated the zinc diffusion layer in its surface which afforded the sacrificial corrosion.

    Keywords:

    aluminum radiator, aluminum corrosion, zinc diffusion, sacrificial anodic corrosion


    Author Information:

    Naruki, K
    General manager and assistant manager, Production Engineering Dept., Nippondenso, Co., Ltd., Kariya Aichi,

    Hasegawa, Y
    General manager and assistant manager, Production Engineering Dept., Nippondenso, Co., Ltd., Kariya Aichi,


    Committee/Subcommittee: D15.01

    DOI: 10.1520/STP29213S