Oxidation resistant alloy

Details Oxidation resistant alloy Oxidation resistant alloy

1988-04-01

1991-03-26

Hunt, Brooks H.

Stock material or miscellaneous articles

All metal or with adjacent metals

Having metal particles

428553, 428680, 138425, 138428, B22F 700, B32B 1501

Patent

active

050028340

ABSTRACT:
Discloses a composite metal body having an oxide-dispersion-strengthened substrate made by mechanical alloying and a high chromium-aluminum nickel- or cobalt-base coating on the substrate. The substrate is characterized by containing an amount of aluminum effective to react with oxygen and nitrogen within the body of the substrate to prevent migration of these gases to the interface of substrate and coating and to thereby inhibit spalling of the coating.

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G. H. Gessinger, Powder Metallurgy of Superalloys, Jan. 1984, pp. 339-341.

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