Digital Library / STP / STP705-EB / STP29213S

Corrosion Testing of Furnace and Vacuum Brazed Aluminum Radiators
Naruki, K
General manager and assistant manager, Production Engineering Dept., Nippondenso, Co., Ltd.,

Hasegawa, Y

Pages: 24    Published: Jan 1980

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Source: STP705-EB

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

Paper ID: STP29213S
Committee/Subcommittee: D15.01
DOI: 10.1520/STP29213S
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