High temperature wear resistant coating composition
AssigneeUnion Carbide Corporation
InventorsThomas A. Wolfla, Robert C. Tucker, Jr.
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Abstract
A coating composition for producing high temperature, wear-resistant coatings on a metallic substrate, such as a nickel, cobalt, or iron base alloy, consisting of a cobalt base alloy with chromium, tantalum and carbon additions thereto. The basic composition may also contain one or more of aluminum, yttrium or the rare earth metals, silicon, manganese, or a dispersion of a metal oxide, such as alumina (Al.sub.2 O.sub.3).
Claims17
A coating composition for producing high temperature wear-resistance coating consisting essentially of 17-35 Wt.% chromium;
- 5-20 Wt.% tantalum;
- 0.5 to 3.5 carbon, balance Co.
A coated article consisting of a metal substrate having a coating layer consisting essentially of 17-35 Wt.% chromium;
- 5-20 Wt.% tantalum;
- 0.5 to 3.5 carbon, balance Co.
Dependencies are inferred from the claim text.