Corrosion and wear resistant alloy

Details Corrosion and wear resistant alloy Corrosion and wear resistant alloy

1985-11-05

1987-09-08

Rutledge, L Dewayne

Alloys or metallic compositions

Cobalt base

Chromium containing

148403, 420439, 420442, 420443, 420451, 420453, 420454, 420587, 420588, C22C 1905, C22C 1907, C22C 3000

Patent

active

046923055

ABSTRACT:
A novel alloy is disclosed which is characterized by high resistance to wear and corrosion. The alloy consists essentially of 2 to 25% chromium, 5 to 30% molybdenum, 3 to 15% tungsten, 2 to 8% copper, 2 to 8% boron, and 0.2 to 2% carbon; the balance being incidental impurities and at least 30% of a metal selected from the group consisting of nickel, cobalt and combinations thereof, with the total of molybdenum and tungsten being at least 16%. The alloy is preferably in the form of a powder for thermal spraying, and coating produced thereby generally have an amorphous structure.

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