Zinc Distribution in Vacuum Brazed Alclad Brazing Sheet Metallurgical Research Div., Reynolds Metals Company Richmond, VA

Format:

Conference/Event

Author/Creator:

McNamara, Peter, author.

Conference Name:

1978 Automotive Engineering Congress and Exposition (1978-02-27 : Detroit, Michigan, United States)

Language:

English

Physical Description:

1 online resource

Place of Publication:

Warrendale, PA SAE International 1978

Summary:

Vacuum brazing technology is currently capable of producing aluminum automotive heat exchangers such as radiators and heater cores. The possible use of 7072 claddings on the surfaces exposed to the coolant to provide additional corrosion protection is of considerable interest. This paper describes the effect of typical vacuum brazing cycles on the distribution of zinc in 7072 clad vacuum brazing sheet.For heavier gauges (.05), there is sufficient retained zinc in the post-braze composite. For lighter gauges (.02 or less), nominal composition 7072 does not provide adequate retained zinc; however, if the initial zinc concentration is increased to 3% there is sufficient retained zinc so that the cladding is significantly more anodic than the core

Notes:

Vendor supplied data

Publisher Number:

780301

Access Restriction:

Restricted for use by site license