C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
75/4
C22C 1/08 (2006.01) E04B 1/86 (2006.01) G10K 11/16 (2006.01) H05K 9/00 (2006.01) E04B 1/84 (2006.01)
Patent
CA 1267550
ABSTRACT: A foamed metal which has an apparent specific gravity of from 0.2 to 0.8 and comprises an aggregate of polygonal closed cells of from 2 to 10 mm in average diameter. The foamed metal is not only light in weight, free of directionality and structurally strong but also excellent in sound-absorbing and electromagnetic shielding properties, and is useful as constructional, structural or functional material. A method for producing the foamed material comprises adding calcium as a thickening agent to molten aluminum or alloy thereof in an amount of from 0.2 to 8% by weight, followed by agitating to adjust the viscosity of the melet, then adding from 1 to 3% by weight of powdered titanium hydride as a foaming agent to the melt, and agitating the melt to effect foaming.
514164
Akiyama Shigeru
Imagawa Koji
Itoh Masao
Kitahara Akira
Morimoto Kazuo
Kozo Iizuka Director-General Of The Agency Of Industrial Science And Technol
Riches Mckenzie & Herbert Llp
Shinko Kosen Kogyo Kabushiki Kaisha A.k.a. Shinko Wire Co. Ltd.
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