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7384443 Hybrid cemented carbide composites  
Embodiments of the present invention include hybrid composite materials comprising a cemented carbide dispersed phase and a cemented carbide continuous phase. The contiguity ratio of the dispersed...
RE39986 Coated grooving or parting insert  
The present invention relates to a coated cutting tool insert useful for grooving or severing steel components such as steel or stainless steel tubes and bars. The insert is characterized by...
RE39894 Cemented carbide insert  
The present invention relates to a coated cemented carbide insert for turning of steel, like low alloyed steels, carbon steels and tough hardened steels at high cutting speeds. The cemented carbide...
RE39893 Cemented carbide insert  
The present invention relates to a cutting tool insert and its methods of manufacture for machining of steel comprising a cemented carbide body and a coatings. The cemented carbide body includes...
EP1309733B1 CHROMIUM-CONTAINING CEMENTED CARBIDE BODY HAVING A SURFACE ZONE OF BINDER ENRICHMENT  
Abstract not available for EP1309733
7017677 Coarse carbide substrate cutting elements and method of forming the same  
Cutting elements having coarse grain substrates and ultra hard material layers are provided. The substrates are formed from coarse grain size particles of tungsten carbide. A method of forming such...
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...
6866921 Chromium-containing cemented carbide body having a surface zone of binder enrichment  
A coated cemented (binder alloy, e.g., cobalt-chromium alloy) tungsten carbide cutting insert that comprises a substrate and a coating. The substrate contains at least about 70 weight percent...
6699526 Method of making cemented carbide insert  
A method of making a cutting insert includes forming a powder mixture containing WC, 2-10 wt % Co, 4-12 wt % cubic carbides, adding N in an amount of 0.9-1.7 % of the weight of the cubic carbides,...
6692822 Coated cemented carbide cutting tool insert  
A cemented carbide has a <70 μm, preferably 10-40 μm, thick binder phase enriched surface zone containing W and Mo but depleted in cubic carbide. The overall content of Mo in the surface zone...
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...
6616970 Cemented carbide insert  
Methods of making a coated cemented carbide body include: forming a powder mixture having WC, 5-12 wt % Co, 3-11% cubic carbides of Ta and Ti with a ratio of Ta/Ti is 1.0-4.0; adding N in an amount...
6612787 Chromium-containing cemented tungsten carbide coated cutting insert  
A chromium-containing coated cemented tungsten carbide cutting insert that has a substrate and a coating. The substrate comprises between about 5.7 and about 6.4 weight percent cobalt, between...
6575671 Chromium-containing cemented tungsten carbide body  
A chromium-containing coated cemented tungsten carbide cutting insert that has a substrate and a coating. The substrate comprises between about 10.4 and about 12.7 weight percent cobalt, between...
6554548 Chromium-containing cemented carbide body having a surface zone of binder enrichment  
A coated cemented (binder alloy, e.g., cobalt-chromium alloy) tungsten carbide cutting insert that comprises a substrate and a coating. The substrate contains at least about 70 weight percent...
EP0931171B1 METHOD OF MAKING CEMENTED CARBIDE WITH BINDER PHASE ENRICHED SURFACE ZONE  
Abstract not available for EP0931171 Abstract of corresponding document: US6299992 The present invention relates to method of making a cemented carbide insert, comprising a cemented carbide...
6468680 Cemented carbide insert with binder phase enriched surface zone  
The present invention relates to a coated cemented carbide insert with a binder phase enriched surface zone. The WC-grains have an average grain size in the range 1.0-3.5 μm, preferably 1.3-3.0...
6410121 Cermet tool and method for manufacturing the same  
A cermet tool 1 having a hard layer 11 which is very hard and which covers the surface of the tool 1 , and an interior portion 13 which is covered with and softer than the hard layer 11 . A...
6344264 Cemented carbide insert  
The present invention relates to a cutting tool insert and its methods of manufacture for machining of steel comprising a cemented carbide body and a coatings. The cemented carbide body includes...
6333100 Cemented carbide insert  
The present invention relates to a coated cemented carbide insert for turning of steel, like low alloyed steels, carbon steels and tough hardened steels at high cutting speeds. The cemented carbide...
6299992 Method of making cemented carbide with binder phase enriched surface zone  
The present invention relates to method of making a cemented carbide insert, comprising a cemented carbide substrate and a coating. The substrate contains WC and cubic carbonitride phase in a...
6217992 Coated cutting insert with a C porosity substrate having non-stratified surface binder enrichment  
A cutting insert which comprises a rake face and a flank face wherein there is a cutting edge at the juncture of the rake face and the flank face. The cutting insert has a coating and a substrate...
6148937 PDC cutter element having improved substrate configuration  
A supporting substrate for supporting a diamond layer on a cutting element is disclosed which has an irregular surface defining the interface between the substrate and the diamond layer. The...
EP1036618A2 Cermet tool and method for manufacturing the same  
A cermet tool 1 is composed of a hard layer 11 which is very hard and which covers the surface of the tool 1, and an interior portion 13 which is covered with and softer than the hard layer 11. A...
6041875 Non-planar interfaces for cutting elements  
This invention is directed to cutting elements having an ultra hard cutting layer such as polycrystalline diamond or polycrystalline cubic boron nitride bonded on a cemented carbide substrate. The...
5976707 Cutting insert and method of making the same  
A cutting insert that has a flank face and a rake face and a cutting edge at the juncture thereof. The substrate presents a bulk region that contains a metallic binder, as well as one or more of...
5955186 Coated cutting insert with A C porosity substrate having non-stratified surface binder enrichment  
A cutting insert which comprises a rake face and a flank face wherein there is a cutting edge at the juncture of the rake face and the flank face. The cutting insert has a coating and a substrate...
5906246 PDC cutter element having improved substrate configuration  
A supporting substrate for supporting a diamond layer on a cutting element is disclosed which has an irregular surface defining the interface between the substrate and the diamond layer. The...
5812924 Method and apparatus for a powder metallurgical process  
A method of producing a green compact which includes the steps of forming a generally homogeneous powder blend of powder components; consolidating the powder blend into a green body wherein the...
5752155 Green honed cutting insert and method of making the same  
A method of producing a cutting insert which includes the steps of: providing a generally homogeneous powder blend of powder components; forming the powder blend into a green body wherein the green...
5729823 Cemented carbide with binder phase enriched surface zone  
The present invention relates to a cemented carbide insert, comprising a cemented carbide substrate and a coating. The substrate contains WC and cubic carbonitride phase in a binder phase based of...
5710383 Carbonitride-type cermet cutting tool having excellent wear resistance  
A cutting tool composed of a carbonitride-type cermet having excellent wear resistance, characterized by having a microstructure comprising a homogeneous (Ti,W,Nb/Ta)CN phase, the grains of which...
Matches 1 - 33 out of 33