As a part of a project to develop high performance, compact and lightweight vehicle radiators, a highly corrosion resistive fin has been developed, especially for use in the salt-laden environment. It is a thin plate with a mutual diffusion layer of Cu-Zn formed on either surface. Owing to this composite structure, not only the corrosion resistance is double that of Cu-Sn alloy fins that are currently in use with a thickness over 20 % smaller than the latter (38 microns vs 50 microms), but the corrosion of the bonding solder has been reduced to one hall because the Cu-Zn diffused layer has brought about substantial reduction in the fin's surface potential.
State-of-the-art copper/brass radiator at nippondenso. Part 2. High corrosion resistive fin for new radiator
Dem Stand der Technik entsprechender Kupfer/Messing-Heizkörper bei Nippon Denso. Teil 2: Hoch korrosionsbeständige Rippen für den neuen Heizkörper
SAE-Papers ; Mar ; 1-8
1990
8 Seiten, 17 Bilder, 3 Tabellen, 4 Quellen
Conference paper
English
HEIZKOERPER , GEWICHTSVERMINDERUNG , LEISTUNGSSTEIGERUNG , RIPPE (BAUTEIL) , KUPFERZINNLEGIERUNG , AUSLEGUNG (DIMENSION) , KORROSIONSBESTAENDIGKEIT , LOETVERBINDUNG , BESCHICHTUNG MIT METALL , KUPFERZINKLEGIERUNG , KRAFTFAHRZEUG , WIRKUNGSGRAD , METALLISCHER UEBERZUG , MESSING , KUPFERLEGIERUNG , KRAFTWAGEN
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