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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...
6929851 Coated substrate  
Method for removing a portion of the binder phase from the surface of a substrate that is composed of particles of at least a first phase joined together by the binder phase, and wherein the...
EP1094132B1 Multi-layer coated material for cutting tool  
Abstract of EP1094132 There is disclosed a laminated coated-material for cutting tool which comprises a laminated coated-sintered alloy in which on the surface of a substrate comprising a hard...
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...
6593015 Tool with a hard coating containing an aluminum-nitrogen compound and a boron-nitrogen compound and method of making the same  
A tool which includes a substrate which has a first surface and a second surface wherein the first surface ad the second surface intersect to form an edge. A adhesion coating scheme is on the...
6358428 Method of etching  
Method for removing a portion of the binder phase from the surface of a substrate that is composed of particles of at least a first phase joined together by the binder phase, and wherein the...
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...
6267797 Sintering method  
There is disclosed a method of sintering cemented carbide bodies including heating said bodies to the sintering temperature in a suitable atmosphere and cooling. If said cooling at least to below...
EP1094132A1 Multi-layer coated material for cutting tool  
There is disclosed a laminated coated-material for cutting tool which comprises a laminated coated-sintered alloy in which on the surface of a substrate comprising a hard alloy or a cermet at least...
6214474 Oxidation protective coating for refractory metals  
The invention relates to a parent substance consisting of a high-melting point metal and an oxidation protective coating made of silicides or aluminides. In accordance with the invention, a...
6214247 Substrate treatment method  
Method for removing a portion of the binder phase from the surface of a substrate that is composed of particles of at least a first phase joined together by the binder phase, and wherein the...
6207102 Method of sintering cemented carbide bodies  
A method of sintering cemented carbide bodies includes heating said bodies to the sintering temperature in a suitable atmosphere and cooling. If said cooling at least to below 1250° C. is...
6132293 Method of blasting cutting tool inserts  
A method of removing the binder phase from the surface of a hard material body consisting of hard constituents in a binder phase based on cobalt and/or nickel and with a binder phase enriched...
6117533 Substrate with a superhard coating containing boron and nitrogen and method of making the same  
A cutting tool includes a substrate and a coating on the substrate. The coating includes a base adhesion layer that is on at least a portion of the substrate. A first intermediate adhesion layer,...
6096436 Boron and nitrogen containing coating and method for making  
A coating scheme comprising a boron and nitrogen containing layer that satisfactorily adheres to a substrate is disclosed. The satisfactorily adherent coating scheme comprises a base layer, a first...
6086959 Boron and nitrogen containing coating and method for making  
A coating scheme comprising a boron and nitrogen containing layer that satisfactorily adheres to a substrate is disclosed. The satisfactorily adherent coating scheme comprises a base layer, a first...
6071469 Sintering method with cooling from sintering temperature to below 1200° C. in a hydrogen and noble gas atmosphere  
There is disclosed a method of sintering cemented carbide bodies including heating said bodies to the sintering temperature in a suitable atmosphere and cooling. If said cooling at least to below...
6054185 Substrate with superhard coating containing boron and nitrogen and method of making the same  
A cutting tool includes a substrate and a coating on the substrate. The coating includes a base adhesion layer that is on at least a portion of the substrate. A first intermediate adhesion layer,...
5976716 Substrate with a superhard coating containing boron and nitrogen and method of making the same  
A cutting tool includes a substrate and a coating on the substrate. The coating includes a base adhesion layer that is on at least a portion of the substrate. A first intermediate adhesion layer,...
5948541 Boron and nitrogen containing coating and method for making  
A coating scheme comprising a boron and nitrogen containing layer that satisfactorily adheres to a substrate is disclosed. The satisfactorily adherent coating scheme comprises a base layer, a first...
5915162 Coated cutting tool and a process for the production of the same  
This invention relates to a coated cutting tool suitable for high speed cutting working and a process for the production of the same. The feature of the present invention consists in a coated...
5800868 Method for making a coated cutting tool  
The present invention relates to CVD-coated cemented carbide tool used for chip forming machining. More particularly, it relates to a coating with an intermediate layer acting as a diffusion...
5716170 Diamond coated cutting member and method of making the same  
A diamond coated elongate rotary cutting member and method of making the same. The cutting member includes an axially forward cutting surface, a flute and a fluted land. The cutting member...
5705263 Coated cutting tool  
The present invention relates to CVD-coated cemented carbide tool used for chip forming machining. More particularly, it relates to a coating with an intermediate layer acting as a diffusion...
5648119 Process for making diamond coated tools and wear parts  
A diamond-coated tool and a process for making them. The process includes a sintering step. In that step, a substrate is sintered in an atmosphere and for a time and at a temperature so that...
5585176 Diamond coated tools and wear parts  
A diamond-coated tool or wear part and a process for making them. The process includes a sintering step. In that step, a substrate is sintered in an atmosphere and for a time and at a temperature...
5380408 Etching process  
The present invention relates to an etching process for the purpose of removing binder phase from the surface of a hard metal consisting of hard material in a binder phase based on cobalt and/or...
5135801 Diffusion barrier coating material  
A coated body consisting of a substrate that can be decarburized during a carbide, nitride or carbonitride coating process comprising a first (innermost) carbon diffusion retarding coating of...
4988564 Metal carbide, nitride, or carbonitride whiskers coated with metal carbides, nitrides, carbonitrides, or oxides  
Single crystal whiskers of carbides, nitrides and carbonitrides of Ti, Zr, Hf, V, Nb, Ta, and W coated with one or more layers of different carbides, nitrides, or carbonitrides of Ti, Zr, Hf, Nb,...
4965140 Composite coatings on refractory substrates  
A wear resistant article, such as a cutting tool. A hard refractory substrate is coated with a composite refractory coating having at least two phases. The first phase is a continuous nitride...
4950558 Oxidation resistant high temperature thermal cycling resistant coatings on silicon-based substrates and process for the production thereof  
An oxidation resistant, high temperature thermal cycling resistant coated ceramic article for ceramic heat engine applications. The substrate is a silicon-based material, i.e. a silicon nitride- or...
4943450 Method for depositing nitride-based composite coatings by CVD  
A co-deposition process for producing a wear resistant article, such as a cutting tool. Gaseous halides of two or more of Si, B, Al, Y, Ti, Zr, Hf, V, Nb, Ta, Mo, and W, with other reactants...
4892792 A1N coated silicon nitride based cutting tools  
Cutting tools, cutting tool inserts, and wear parts having improved mechanical and chemical wear resistance under demanding conditions of machining speed, temperature, or wear conditions comprising...
4844951 Method for depositing ultrathin laminated oxide coatings  
A method for depositing a wear resistant composite ceramic coating on a cemented carbide or hard ceramic substrate. A gas mixture is passed over the substrate, including a halide vapor of Al, Zr,...
4830886 Process for making cutting insert with titanium carbide coating  
In a process for preparing a coated cemented carbide cutting insert, a layer of titanium carbide containing eta phase is first vapor deposited directly adjacent a cobalt cemented tungsten carbide...
4810530 Method of coating metal carbide nitride, and carbonitride whiskers with metal carbides, nitrides, carbonitrides, or oxides  
A method for coating single crystal whiskers of carbides, nitrides or carbonitrides of Ti, Zr, Hf, V, Nb, Ta, or W with one or more layers of a carbide, nitride or carbonitride of Ti, Zr, Hf, Nb,...
4784923 Hard metal alloy with surface region enriched with tantalum, niobium, vanadium or combinations thereof and methods of making the same  
Disclosed is a method of producing a hard metal alloy with a surface region enriched with a first component being at least one of the carbides, nitrides and carbonitrides of tantalum, niobium,...
4776901 Nitrocarburizing and nitriding process for hardening ferrous surfaces  
A process for surface hardening a ferrous article such as an aircraft engine rocker lever shaft includes the steps of creating a nitrocarburized oxide layer atop the ferrous core, and subsequently...
4751109 A process for depositing a composite ceramic coating on a hard ceramic substrate  
A process for producing a wear resistant article, such as a cutting tool. Gaseous halides of two or more of aluminum, zirconium, and yttrium with other reactants are passed over a hard ceramic...
4749629 Ultrathin laminated oxide coatings and methods  
A wear resistant article, such as a cutting tool. A hard ceramic or cemented carbide substrate is coated with a laminated oxide coating about 0.3-20 microns thick, having at least three ultrathin...
4745010 Process for depositing a composite ceramic coating on a cemented carbide substrate  
A process for producing a wear resistant article, such as a cutting tool. Gaseous halides of two or more of aluminum, zirconium, and yttrium with other reactants are passed over a cemented carbide...
4708037 Coated cemented carbide tool for steel roughing applications and methods for machining  
A steel roughing grade coated cemented carbide cutting tool comprises WC grains equal to or less than 70 w/o of the tool substrate, from about 5 to about 10 w/o of a cobalt bonding phase and the...
4698266 Coated cemented carbide tool for steel roughing applications and methods for machining  
A steel roughing grade coated cemented carbide cutting tool comprises WC grains equal to or less than 70 w/o of the tool substrate, from about 5 to about 10 w/o of a cobalt bonding phase and the...
4619866 Method of making a coated cemented carbide body and resulting body  
In coating cemented carbide or ceramics, with thin, wear resistant layers of ceramic oxide, particularly aluminum oxide, by CVD, it has been very difficult to make sufficiently even layers and to...
4548786 Coated carbide cutting tool insert  
Cobalt cemented carbide cutting inserts are prepared for coating with a hard, wear-resistant coating by providing a cobalt enriched zone on a surface to be coated. Cobalt enrichment is effectuated...
4463062 Oxide bond for aluminum oxide coated cutting tools  
The bond between a hard wear resistant coating of Al 2 O 3 and a cemented carbide substrate is greatly improved by means of a more effective interlayer of TiO. The TiO layer is provided by means...
4440547 Alumina coated silicon nitride cutting tools  
Cutting tools and cuttng tool inserts having improved mechanical and chemical wear resistance under demanding conditions of machining speed, temperature, or workpiece hardness comprise a silicon...
4409004 Carbonitride coated composite silicon nitride cutting tools  
Cutting tools and cutting tool inserts having improved mechanical and chemical wear resistance under demanding conditions of machining speed, temperature, or workpiece hardness comprise a composite...
4409003 Carbonitride coated silicon nitride cutting tools  
Cutting tools and cutting tool inserts having improved mechanical and chemical wear resistance under demanding conditions of machining speed, temperature, or workpiece hardness comprise a silicon...
4374685 Method of making a coated cutting tip  
A method of making a coated tip for cutting purposes having a lower degree of flank and crater wear and reduced chipping. A WC-based ultrahard alloy containing WC, at least one nitride selected...
Matches 1 - 50 out of 50