C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
C22C 21/00 (2006.01) C22C 21/02 (2006.01) C22F 1/04 (2006.01) C22F 1/043 (2006.01)
Patent
CA 2046388
ALUMINUM ALLOY FOR FORMING COLORED ANODIC OXIDE FILMS THEREON AND METHOD FOR PRODUCING A SHEET MATERIAL OF THE ALLOY Abstract of the Disclosure An aluminum alloy consists of, by weight, from 0.08 to 0.50 percent silicon, from 0.15 to 0.90 percent iron, the weight ratio of iron to silicon being from 1.4 to 2.2, and the remainder aluminum, intermetallic compounds of .alpha.-type Al-Fe-Si system being contained in the alloy. A light gray oxide film is formed on the alloy by anodic treatment.
Moriyama Takeshi
Nishizawa Akito
Ogawa Katsuji
Ohtake Fumio
Moriyama Takeshi
Nippon Light Metal Company Ltd.
Nishizawa Akito
Ogawa Katsuji
Ohtake Fumio
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