Abstract: A cBN material and a method of making a cBN material, the method including the steps of providing a powder mixture comprising cBN grains, aluminum and a Ti(CxNyOz)a powder, subjecting the powder mixture to a milling to form a powder blend, subjecting the powder blend to a forming operation to form a green body, subjecting the green body to a pre-sintering step, at a temperature between 650 to 950° C., to form a pre-sintered body, and subjecting the pre-sintered body to a HPHT operation to form the cBN material. For the Ti(CxNyOz)a powder, 0.05?z?0.4. In addition, a cBN material includes cBN grains, an Al2O3 phase, a binder phase of TiC, TiN and/or TiCN, W and Co, whereby a quotient Q is <0.25 of the cBN material.

Abstract: A tool and a method of making the tool are disclosed. The tool includes a superabrasive compact, for example, a volume of silicon carbide diamond bonded composite, directly bonded to a tungsten carbide body during sintering. The green body may have a recess with a complementary shape to the superabrasive compact, whereby after inserting at least a part of the superabrasive compact within the recess and sintering, the tungsten carbide body and the recess shrink to form an interference fit therebetween.

Abstract: A tool and a method of making the tool are disclosed. The tool includes a superabrasive compact, for example, a volume of silicon carbide diamond bonded composite, directly bonded to a tungsten carbide body during sintering. The green body may have a recess with a complementary shape to the superabrasive compact, whereby after inserting at least a part of the superabrasive compact within the recess and sintering, the tungsten carbide body and the recess shrink to form an interference fit therebetween.

Abstract: A cBN material and a method of making a cBN material, the method including the steps of providing a powder mixture comprising cBN grains, aluminum and a Ti(CxNyOz)a powder, subjecting the powder mixture to a milling to form a powder blend, subjecting the powder blend to a forming operation to form a green body, subjecting the green body to a pre-sintering step, at a temperature between 650 to 950° C., to form a pre-sintered body, and subjecting the pre-sintered body to a HPHT operation to form the cBN material. For the Ti(CxNyOz)a powder, 0.05?z?0.4. In addition, a cBN material includes cBN grains, an Al2O3 phase, a binder phase of TiC, TiN and/or TiCN, W and Co, whereby a quotient Q is <0.25 of the cBN material.

Abstract: The present disclosure relates to cutting tool edges that include on a rake face a superabrasive layer and a HPHT sintered or HPHT bonded cap layer. The cap layer improves adhesion between the superabrasive layer and an optional coating system for the cutting insert and acts as a thick anti-friction layer and/or a thermal barrier coating.

Abstract: The present disclosure relates to cutting tool edges that include on a rake face a superabrasive layer and a HPHT sintered or HPHT bonded cap layer. The cap layer improves adhesion between the superabrasive layer and an optional coating system for the cutting insert and acts as a thick anti-friction layer and/or a thermal barrier coating.

Abstract: An insert for a cutting tool and a method of making an insert are provided. The insert for a cutting tool may comprise a body and a substrate carrier. The body may have a top, a bottom, and a plurality of side walls connected to the top and the bottom. The body may comprise superhard particles in absence of a support. The substrate carrier may have a recess. The bottom and the sidewall of the body may be adapted to be affixed to the recess of the substrate carrier.

Abstract: A method and composition of a sintered superhard compact is provided. The sintered superhard compact body may comprise superhard particles and a binder phase. The binder phase may bond the superhard particles together. The binder phase comprises tungsten and cobalt. The ratio of tungsten to cobalt is between 1 and 2 and sum of W and Co in the sintered superhard compact is in a range of from about 2 to about 20 percent by weight.

Abstract: The present invention relates to a coated cutting tool for metal machining with a from about 2.0 to about 20 ?m thick PVD coating, having both the wear resistance of a coating of homogeneous layers and the toughness of a multilayer coating, comprising a first (Mec1,Mec2)(C,N,O) layer where Mec1 is one or more of the elements in the transition metal group IV-VI, Al and Si and Mec2 is one of the elements in the transition metal group IV-VI from about 1.0 to about 4.5 ?m thick, a second (Med1,Med2)(C,N) layer where Med1 is one or more of the elements in the transition metal group IV-VI, Al and Si and Med2 is one of the elements in the transition metal group IV-VI and Y, from about 0.5 to about 4.5 ?m thick, and in between the first and the second layer, an (Mee1, Mee2)(C,N,O) layer where Mee1 is one or more of the elements in the transition metal group IV-VI, Al and Si and Mee2 is one of the elements in the transition metal group IV-VI and Y, from about 0.1 to about 1.

Abstract: A cutting tool includes a substrate on which at least on the functioning parts of the surface thereof a thin, adherent, hard and wear resistant coating is applied, wherein the coating includes a laminated multilayer of alternating PVD or PECVD metal oxide layers, Me1X+Me2X+Me1X+Me2X . . . , where at least one of Me1X and Me2X is a metal oxide+metal oxide nano-composite layer composed of two components with different composition and different structure which components include a single phase oxide of one metal element or a solid solution of two or more metal oxides, wherein the layers Me1X and Me2X are different in composition or structure and have individual layer thicknesses larger than about 0.4 nm but smaller than about 50 nm and where said laminated multilayer layer has a total thickness of between about 0.2 and about 20 ?m.

Abstract: The present disclosure relates to cutting tool edges that include on a rake face a superabrasive layer and a HPHT sintered or HPHT bonded cap layer. The cap layer improves adhesion between the superabrasive layer and an optional coating system for the cutting insert and acts as a thick anti-friction layer and/or a thermal barrier coating.

Abstract: The present invention relates to a cutting tool comprising a substrate and, a wear resistant coating, said wear resistant coating is composed of one or more layers of refractory compounds of which at least one layer consists of a multilayered MX/LX/MX/LX laminar structure where the alternating layers MX and LX are carbides or nitrides with the elements M and L selected from the group consisting of Ti, Nb, Hf, V, Ta, Mo, Zr, Cr, Al, Si or W and mixtures thereof, wherein the sequence of individual layer thicknesses has no repeat period but essentially aperiodic throughout the entire multilayered structure, and where the individual MX and LX layer thickness is larger than 0.1 ran but the sum of any 10 consecutive layers in the structure is smaller than 300 nm, and the total thickness of said multilayered structure is larger than 0.5 ?m but smaller than 20 ?m, deposited by PVD-technique, where at least one of MX or LX are electrically isolating, and a method of making such a cutting tool.

Abstract: The present invention relates to a method for depositing a coating onto a substrate. The method comprises depositing by arc evaporation; depositing by dual magnetron sputtering; said depositing being performed in sequence or simultaneously.

Abstract: The present invention relates to a cemented carbide endmilling tool particularly useful for semifinishing and finishing machining of hardened steels of HRC above 46, comprising a substrate and a wear resistant coating. The substrate, a, comprises from about 90 to about 94 wt % WC in a binder phase of Co also containing Cr in such an amount that the Cr/Co weight ratio is from about 0.05 to about 0.18. The wear resistant coating, b, is from about 1.8 to about 9.5 ?m thick, and comprises a first layer, c, of a hard and wear resistant refractory PVD AlMe nitride or carbonitride where Me is Zr, V, Nb, Cr or Ti having a thickness of from about 1.0 to about 4.5 ?m and an atomic fraction of Al to Me of from about 1.20 to about 1.50, a second layer, d, of hard and wear resistant refractory PVD AlMe nitride or carbonitride where Me is Zr, V, Nb, Cr or Ti, having a thickness of from about 0.5 to about 4.5 ?m, and an atomic fraction of Al to Me of 1.30-1.

Abstract: The present invention relates to a coated cutting tool for metal machining with a from about 2.0 to about 20 ?m thick PVD coating, having both the wear resistance of a coating of homogeneous layers and the toughness of a multilayer coating, comprising a first (Mec1,Mec2)(C,N,O) layer where Mec1 is one or more of the elements in the transition metal group IV-VI, Al and Si and Mec2 is one of the elements in the transition metal group IV-VI from about 1.0 to about 4.5 ?m thick, a second (Med1,Med2)(C,N) layer where Med1 is one or more of the elements in the transition metal group IV-VI, Al and Si and Mee2 is one of the elements in the transition metal group IV-VI and Y, from about 0.5 to about 4.5 ?m thick, and in between the first and the second layer, an (Mee1, Mee2)(C,N,O) layer where Mee1 is one or more of the elements in the transition metal group IV-VI, Al and Si and Mee2 is one of the elements in the transition metal group IV-VI and Y, from about 0.1 to about 1.

Abstract: The present invention relates to a cutting tool comprising a substrate of cemented carbide, cermet, ceramics, cubic boron nitride or high speed steel on which at least on the functioning parts of the surface thereof a thin, adherent, hard and wear resistant coating is applied, wherein said coating comprises a laminated multilayer of alternating PVD or PECVD metal oxide layers, Me1X+Me2X+Me1X+Me2X . . . , where the metal atoms Me1 and Me2 are one or more of Ti, Nb, V, Mo, Zr, Cr, Al, Hf, Ta, Y and Si, and where at least one of Me1X and Me2X is a metal oxide+metal oxide nano-composite layer composed of two components, component A and component B, with different composition and different structure which components comprise a single phase oxide of one metal element or a solid solution of two or more metal oxides, wherein the layers Me1X and Me2X are different in composition or structure or both these properties and have individual layer thicknesses larger than about 0.

Abstract: The present invention relates to a cutting tool comprising a substrate and, a wear resistant coating, said wear resistant coating is composed of one or more layers of refractory compounds of which at least one layer consists of a multilayered MX/LX/MX/LX laminar structure where the alternating layers MX and LX are carbides or nitrides with the elements M and L selected from the group consisting of Ti, Nb, Hf, V, Ta, Mo, Zr, Cr, Al, Si or W and mixtures thereof, wherein the sequence of individual layer thicknesses has no repeat period but essentially aperiodic throughout the entire multilayered structure, and where the individual MX and LX layer thickness is larger than 0.1 ran but the sum of any 10 consecutive layers in the structure is smaller than 300 nm, and the total thickness of said multilayered structure is larger than 0.5 ?m, but smaller than 20 ?m, deposited by PVD-technique, where at least one of MX or LX are electrically isolating, and a method of making such a cutting tool.

Abstract: 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 WC—Co-based cemented carbide substrate having a highly W-alloyed Co-binder phase and a relatively thin coating including an inner layer of TiCxNyOz with columnar grains followed by a layer of fine grained ?—Al2O3 and a top layer of TiN.

Abstract: The present invention relates to a coated cutting tool (e.g.—cemented carbide insert) useful for grooving or parting of steel or stainless steel components such as tubes and bars. The insert is characterised by a WC-Co-based cemented carbide substrate having a highly W-alloyed Co-binder phase and a hard and wear resistant coating including a multilayered structure of sublayers of the composition (TixAl1-x)N with a periodic and repeated variation of the Ti/Al ratio.

Abstract: A method of making a cutting tool, the cutting tool having a WC—Co based cemented carbide body and a multi-layer coating, the method including: applying a first innermost bonding layer TiN to the body; applying a second layer in the form of a mutlilayered structure having sublayers of (TixAl1-x)N were x varies according to 0.45<x<0.55 and 0.70<x<0.80; applying a third layer of (TixAl1-x)N where x is 0.45<x<0.55; and applying a forth outermost layer on TiN.