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US 2012/0073923 A1Published application
Coated power rail
AssigneeCaterpillar Inc.
InventorsM. Brad Beardsley, Daniel Herbert Gerke, Robert E. Sharp, Mike Bridges
Life of this patent
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Abstract
A power rail includes an aluminum body and a wear coating including stainless steel. The power rail may also include a break-in coating having a lower hardness than the wear coating.
Claims20
A power rail, comprising:
- an aluminum body;
- a wear coating including stainless steel;
- and
- a break-in coating having a lower hardness than the wear coating.
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A method of forming a wear surface on a power rail, comprising:
- applying a wear coating of stainless steel on a surface of the power rail;
- and
- applying a break-in coating of less hardness than the wear coating on a surface of the wear coating.
A v-grooved power rail, comprising:
- an aluminum body;
- a wear coating deposited on a v-grooved surface of the power rail by a thermal spray process;
- and
- a break-in coating having a lower hardness than the wear coating deposited on the wear coating using a thermal spray process.
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Dependencies are inferred from the claim text.