Oxidation- and corrosion-resistant high-temperature alloy of...

Details Oxidation- and corrosion-resistant high-temperature alloy of... Oxidation- and corrosion-resistant high-temperature alloy of...

C - Chemistry, Metallurgy

22

C

75/2

C22C 19/03 (2006.01) C22C 1/02 (2006.01)

Patent

CA 2021718

ABSTRACT OF THE DISCLOSURE An. oxidation- and corrosion-resistant high- temperature alloy of high toughness at room temperature for directional solidification, based on an intermetallic compound of the nickel aluminide type and having the following composition: Al = 10 - 20 atom % Si = 0.5 - 8 atom % Nb = 2 - 10 atom % B = 0.1 - 2 atom % Ni = remainder, the total of Al, Si, Nb and B amounting at most to a value of 25 atom %. The alloy contains at least 90% by volume of the intermetallic phases Ni3Al, Ni3Si and Ni3Nb. (Figure)

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