Composite powder and method for forming a self-lubricating composite coating and self-lubricating components formed thereby
AssigneeHino Motors, Ltd.
InventorsCheryl Renee Blanchard, Richard Allen Page
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Abstract
The present invention provides a ceramic based composite powder and a method for applying the composite powder using a H.V.O.F. gun to form a self-lubricating coating for metal parts. The composite powder and coating are comprised of a ceramic powder, a metal powder, and a solid lubricant powder.
Claims22
A composite powder for forming a self-lubricating composite coating comprising:
- between about 25-75 vol % of a ceramic powder comprising a carbide;
- between about 5-50 vol % of a metal powder selected from the group consisting of nickel and chromium, and combinations thereof;
- and,
- between about 2-25 vol % of a solid lubricant powder selected from the group consisting of molybdenum disulfide, lead oxide, graphite, silver, and titanium oxide.
A composite powder for forming a self-lubricating composite coating on a cast iron component comprising:
- about 60-70 vol % of chromium carbide powder;
- about 15-25 vol % of a metal powder comprising an equal volume of nickel and chromium;
- and,
- about 10-20 vol % of molybdenum disulfide powder.
A component with a self-lubricating coating comprising:
- a ceramic comprising a carbide;
- a metal selected from the group consisting of nickel, chromium, and combinations thereof;
- and
- a solid lubricant selected from the group consisting of molybdenum disulfide, lead oxide, graphite, silver, and titanium oxide.
A cast iron component with a self-lubricating coating comprising:
- about 60-70 vol % chromium carbide;
- about 15-25 vol % of a metal comprising an equal volume of nickel and chromium;
- and
- about 10-20 vol % molybdenum disulfide.
Dependencies are inferred from the claim text.