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US 10,500,666 B2Granted
Wear-resistant component and method for producing the same
AssigneeKomatsu Ltd.
InventorsMasayuki Ohishi, Masaharu Amano
Life of this patent
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Abstract
A tooth which is an example of a wear-resistant component includes a base made of a first metal, and an overlay disposed in contact with the base to cover a covered region that is a part of a surface of the base. In an overlay edge portion corresponding to a boundary between the covered region and an exposed region other than the covered region on the surface of the base, the exposed region and a surface of the overlay are flush with each other to form a forged surface.
Claims9
A wear-resistant component, comprising:
- a base made of a first metal;
- and
- an overlay disposed in contact with the base to cover a covered region, the covered region being a part of a surface of the base,
- wherein:
- an exposed region other than the covered region on the surface of the base and a surface of the overlay are flush with each other to form a forged surface in an overlay edge portion corresponding to a boundary between the covered region and the exposed region,
- the overlay includes hard particles located in at least an overlay surface region that is within an average particle diameter of the hard particles from the surface of the overlay, and
- among the hard particles located in the overlay surface region, any hard particle having a region exposed from the surface of the overlay has an acute central angle corresponding to the region exposed from the surface of the overlay.
4 more elements
Dependencies are inferred from the claim text.