C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
75/83
C22C 21/00 (2006.01)
Patent
CA 1100338
ABSTRACT OF THE DISCLOSURE Filler metal for welding aluminum base alloys obtains improved resistance to stress corrosion cracking. The composition of the filler metal includes a copper addition which suppresses weld boundary corrosion. High weld strengths are attained using the said filler metal. The filler metal consists essentially of in weight %: zinc from 0.05 to 0.25%; magnesium up to 5.5%; copper from 0.2 to 0.5%; manganese from 0.05 to 2.5%; titanium from 0.1 to 0.25%: chromium from 0.05 to 0.3%; and the balance aluminum.
312788
Bichsel Heinz
Pirner Miroslav
Zoller Heinrich
Sherman
Swiss Aluminium Ltd.
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