Rolled thin sheets of aluminum alloy

Details Rolled thin sheets of aluminum alloy Rolled thin sheets of aluminum alloy

1991-03-07

1992-05-26

Roy, Upendra

Metal treatment

Stock

Aluminum base

148439, 420532, 420533, 420534, C22C 2100

Patent

active

051164280

ABSTRACT:
Novel aluminum alloy composition and process for producing aluminum rolled semifinished strip material having a grain structure with grain diameters less than about 11 um, and having less than about 5 vol. % of rod shaped intermetallic phases. The present process comprises the steps of homogenizing rolling ingots of the present alloys, hot-rolling and the cold-rolling the ingots without intermediate annealing, and finally annealing the cold-rolled bars having a thickness between about 40 and 250 um.

REFERENCES:
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patent: 4282044 (1981-08-01), Robertson et al.
patent: 4517034 (1985-05-01), Merchant et al.
patent: 4605448 (1986-08-01), Baba et al.
patent: 4673551 (1987-06-01), Sugiyama et al.
patent: 4737198 (1988-04-01), Shabel et al.
patent: 4753685 (1988-06-01), Usui et al.
patent: 4828794 (1989-05-01), Scott et al.
patent: 4855107 (1989-08-01), Tierlinck et al.

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