C - Chemistry – Metallurgy – 22 – F
Patent
C - Chemistry, Metallurgy
22
F
148/35.5
C22F 1/04 (2006.01) C22F 1/05 (2006.01)
Patent
CA 1126136
ABSTRACT OF THE DISCLOSURE Aluminum 6201 alloy wire is produced by drawing solution-heat- treated rod down to wire of desired diameter, for winding onto spools, under conditions that deliver the wire to the spool at an elevated temperature within a specific range predetermined for wire of such diameter, immediately placing each spool in a medium that passively retards the temperature decay rate of the wire to a value of about 50° to about 75°F per hour, and main- taining the spool in the medium for a period of up to about four hours, to effect artificial aging without use of an oven or furnace, and thereby to achieve an artificially aged product, e.g. a product having a wire con- ductivity of at least about 52.5% IACS and mechanical properties of T-81 temper.
328319
Alcan Research And Development Limited
Smart & Biggar
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