RAPIDLY SOLIDIFIED ALUMINUM-GERMANIUM BASE BRAZING ALLOYS

WIPO Patent Application WO1992019780

A3

A low melting (liquidus temperature <570 degrees C.) rapidly solidified brazing alloy consists essentially of about 14 to 52 weight percent germanium, 0 to 10 weight percent of at least one element selected from the group consisting of silicon, magnesium, bismuth, strontium, lithium, copper, calcium, zinc and tin, the balance being aluminum and incidental impurities. The alloy has the form of a foil and can be used to braze non-heat-treatable rapidly solidified Al-Fe-Si-V alloy foil, sheet plate and tubing to components such as deicing duct, overduct, radiator, heat exchanger, evaporator, honeycomb panel for elevated temperature applications.

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DAS SANTOSH K (US)
CHANG CHIN-FONG (US)

PCT/US1992/003172

December 23, 1992

April 15, 1992

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ALLIED SIGNAL INC (US)

B23K35/28; (IPC1-7): C22C/

DD228196A1	1985-10-09
US3791820A	1974-02-12
US2659138A	1953-11-17
GB766368A	1957-01-23
EP0145933A1	1985-06-26
EP0218035A1	1987-04-15
DE4020785A1	1992-01-02

CHEMICAL ABSTRACTS, vol. 110, no. 18, 1 May 1989, Columbus, Ohio, US; abstract no. 158679, V.F.SHAMRAI ET AL 'Effect of cooling rate and alloying on the structure and some properties of aluminum-germanium alloys'
PATENT ABSTRACTS OF JAPAN vol. 12, no. 392 (M-755)(3239) 19 October 1988 & JP,A,63 140 794 ( MITSUBISHI ) 13 June 1988

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