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6998173 |
Cemented carbide tool and method of making
A coated cemented carbide tool, and a method for making the same, wherein the as-sintered substrate is formed by sintering in an atmosphere having at least a partial pressure and for a part of the...
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6890655 |
Diamond coated cutting tool and method for making the same
A diamond coated cutting tool that has a treated substrate and a diamond coating thereon. In the process of making the substrate, the sintered substrate is re-sintered to form a re-sintered...
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6723389 |
Process for producing coated cemented carbide excellent in peel strength
A coated cemented carbide excellent in peel strength includes a cemented carbide substrate comprising a hard phase containing tungsten carbide and a binder phase, and a hard film being provided on...
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6660329 |
Method for making diamond coated cutting tool
A process for making a diamond coated cutting tool that comprises the steps of providing a sintered substrate, re-sintering the sintered substrate to form a re-sintered substrate, subjecting the...
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6638474 |
method of making cemented carbide tool
A coated cemented carbide tool, and a method for making the same, wherein the as-sintered substrate is formed by sintering in an atmosphere having at least a partial pressure and for a part of the...
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6609953 |
Seal rings with improved friction and wear properties
The present invention relates to a cemented carbide wear part with a wear surface with improved friction and wear properties. This has been obtained by providing the wear surface with a surface...
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6524363 |
Diamond coated cutting tools and method of manufacture
A coated body that has a substrate of tungsten, carbon, and cobalt, and wherein the substrate presents a surface. Eta phase is present at the surface of the substrate. Fibrous tungsten carbide...
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6436204 |
Diamond coated cutting tools and method of manufacture
A process for making a coated body comprising the steps of: providing a substrate comprising tungsten, carbide and cobalt, and the substrate having at least one surface with eta phase thereon;...
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6365230 |
Method of manufacturing a diamond film coated cutting tool
In order to provide an excellent toughness and a sufficient adhesive force without any limit in the content of other carbides in the substrate material and Co and in the size of the cemented...
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6287682 |
Diamond coated tools and process for making
A process for making a diamond-coated tool and the tool made thereby. The process includes a sintering step. In that step, the tool substrate is sintered in an atmosphere and for a time and at a...
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6221493 |
Post treated diamond coated body
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6145608 |
Superhard cutting structure having reduced surface roughness and bit for subterranean drilling so equipped
A superhard cutting element having a polished, low friction, substantially planar cutting face with a surface finish roughness of 10 μin. or less and preferably 0.5 μin. or less. A chamfered...
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EP0960957A2 |
Method of preparing the surface of a composite body
A process for coating a tungsten carbide base material substrate with CVD diamond film includes carburization and gas-assisted vaporization of cobalt from the surface with simultaneous...
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5964942 |
Wafer and method of producing same
No wide bulk diamond wafer exists at present. A wide diamond-coated wafer is proposed instead of the bulk diamond wafer. Diamond is heteroepitaxially deposited on a convex-distorted non-diamond...
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5891522 |
Composite article with adherent CVD diamond coating and method of making
A process for coating a tungsten carbide base material substrate with CVD diamond film includes carburization and gas-assisted vaporization of cobalt from the surface with simultaneous...
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5772366 |
Diamond coated body
The presently claimed invention discloses a compound body of a wear resistant substrate with a surface coating, which body is suitable for wear parts and tools applications. The body includes top...
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