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US 5,346,529 AGranted
Powdered metal mixture composition
AssigneeTecsyn PMP, Inc.
InventorBjorn O. A. Pettersson
Life of this patent
Estimating the term…
Abstract
Powdered metal composition consisting essentially of carbon, copper, solid lubricant particles, carbide-enriched alloys and iron and process for sintering to yield alloyed components exhibiting improved mechanical, physical and wear-resistent properties.
Claims1
A powdered metal mixture comprising:
- (a) between 0.9 and 1.3% by weight of graphite;
- (b) between 0.8 and 3.0% by weight of copper;
- (c) between 0.01 and 5.0% by weight of a solid lubricant selected from the group consisting of manganese sulphide, graphite, selenium, bismuth, and tellurium;
- (d) up to 98.3% by weight of iron having an average particle size of substantially 100 mesh with an oxide content less than 0.3% by weight;
- and
- (e) between 0.01 and 50% by weight of a powdered tool steel alloy selected from those commercially available powders designated by the American Steel and Iron Institute as M2, M3, and T15.
3 more elements
Dependencies are inferred from the claim text.