Cermet powder

A cermet powder includes a) from 50 to 90 wt-% of at least one hard material, and b) from 10 to 50 wt-% of a matrix metal composition. The wt.-% for a) and b) are based on a total weight of the cermet powder. The matrix metal composition comprises i) from 40 to 75 wt-% of iron and nickel, ii) from 18 to 35 wt-% of chromium, iii) from 3 to 20 wt.-% of molybdenum, and iv) from 0.5 to 4 wt-% of copper. The wt-% for i) to iv) are based in each case on a total weight of the matrix metal composition. A weight ratio of iron to nickel is from 3:1 to 1:3.

FeNi binder having universal usability

A method for producing a composite material includes providing a composition comprising at least one hardness carrier and a base binder alloy, and sintering the composition. The base binder alloy comprises from 66 to 93 wt.-% of nickel, from 7 to 34 wt.-% of iron, and from 0 to 9 wt.-% of cobalt, wherein the wt.-% proportions of the base binder alloy add up to 100 wt.-%.

MOLYBDENUM METAL POWDER

The invention relates to a process for producing sinterable molybdenum metal powder in a moving bed, sinterable molybdenum powder and its use. 115.-. (canceled)16. Molybdenum metal powder obtainable according to a process comprising reduction of molybdenum-containing precursors in a moving bed having a reaction space and a cooling zone , characterized in that the reduction is carried out by means of an inflowing atmosphere containing water vapor and hydrogen and having a dew point of >+20° C. on entry into the reaction space ,wherein the hydrogen is introduced simultaneously in two substreams, namely a humid substream having a dew point of at least +20° C. into the reaction space and a dry substream into the cooling zone.17. Molybdenum metal powder according to claim 16 , wherein molybdenum dioxide (MoO) is used as a molybdenum-containing precursor.18. Molybdenum metal powder according to claim 17 , wherein the molybdenum dioxide has a specific BET surface area claim 17 , measured in accordance with ASTM 3663 claim 17 , of ≦2 m/g.19. Molybdenum metal powder according to claim 17 , wherein the MoOhas a reduction loss of not more than 27% by weight.20. Molybdenum metal powder which has a specific surface area claim 17 , measured in accordance with ASTM 3663 claim 17 , of from 0.5 to 2 m/g claim 17 , a flowability of ≧140 sec per 50 g of powder claim 17 , measured in accordance with ASTM B 213 claim 17 , and an oxygen content of from 0.07 to 0.5%.21. Molybdenum metal powder according to claim 20 , wherein the powder has an FSSS/FSSS lab milled ratio of ≧1.4 and ≦5.22. Molybdenum metal powder according to claim 20 , wherein the powder has an FSSS/FSSS lab milled ratio of ≧1.4 and ≦3.23. Molybdenum metal powder according to claim 20 , wherein the powder has an FSSS/FSSS lab milled ratio of ≧1.4 and ≦2.5.24. Molybdenum metal powder according to claim 20 , wherein the FSSS particle size of the powder claim 20 , measured in accordance with ASTM B 330 claim 20 , is from 2 to ...

FENI BINDER HAVING UNIVERSAL USABILITY

A method for producing a composite material includes providing a composition comprising at least one hardness carrier and a base binder alloy, and sintering the composition. The base binder alloy comprises from 66 to 93 wt.-% of nickel, from 7 to 34 wt.-% of iron, and from 0 to 9 wt.-% of cobalt, wherein the wt.-% proportions of the base binder alloy add up to 100 wt.-%. 115-. (canceled)16. A method for producing a composite material , the method comprising: a) at least one hardness carrier; and', α) from 66 to 93 wt.-% of nickel,', 'β) from 7 to 34 wt.-% of iron, and', 'γ) from 0 to 9 wt.-% of cobalt,, 'b) a base binder alloy comprising, 'wherein the wt.-% proportions of the base binder alloy add up to 100 wt.-%;, 'providing a composition comprisingand,sintering the composition.17. The method as recited in claim 16 , wherein a weight ratio of iron:nickel un the base binder alloy is from 1:2 to 1:13.18. The method as recited in claim 16 , wherein the base binder alloy comprises from 66 to 90 wt.-% of nickel.19. The method as recited in claim 16 , wherein the base binder alloy contains less than 8 wt.-% of cobalt.20. The method as recited in claim 16 , wherein the base binder alloy contains less than 0.1 wt.-% of molybdenum.21. The method as recited in claim 16 , wherein the at least one hardness carrier is selected from the group consisting of a carbide claim 16 , a nitride claim 16 , a boride claim 16 , and a carbonitride.22. The method as recited in claim 16 , wherein the at least one hardness carrier comprises at least one element of the transition groups 4A claim 16 , 5A and 6A of the Periodic Table of Elements.23. The method as recited in claim 16 , wherein the base binder alloy is provided as an alloy powder.24. The method as recited in claim 16 , further comprising:a) providing a dispersion comprising the composition in a solvent;b) milling the dispersion so as to produce a milled dispersion;c) drying the milled dispersion so as to produce a powder;d) ...

METHOD FOR PRODUCING SPRAY POWDERS CONTAINING CHROMIUM NITRIDE

A process for producing a sintered spraying powder comprising chromium nitride includes producing a powder mixture comprising a first powder and a second powder, and sintering the powder mixture to the sintered spraying powder at a nitrogen partial pressure of >1 bar so as to maintain or increase a chemically bound nitrogen in the sintered spraying powder compared to a chemically bound nitrogen in the first powder mixture. The first powder comprises at least one constituent selected from the group consisting of Cr, CrN and CrN. The second powder comprises at least one constituent selected from the group consisting of nickel, cobalt, nickel alloys, cobalt alloys and iron alloys. 119-. (canceled)20: A process for producing a sintered spraying powder comprising chromium nitride , the process comprising: [{'sub': '2', 'a first powder comprising at least one constituent selected from the group consisting of Cr, CrN and CrN, and'}, 'a second powder comprising at least one constituent selected from the group consisting of nickel, cobalt, nickel alloys, cobalt alloys and iron alloys; and, 'producing a powder mixture comprisingsintering the powder mixture to the sintered spraying powder at a nitrogen partial pressure of >1 bar so as to maintain or increase a chemically bound nitrogen in the sintered spraying powder compared to a chemically bound nitrogen in the first powder mixture.21: The process as recited in claim 20 , wherein the powder mixture comprises at least one of CrN and CrN.22: The process as recited in claim 20 , wherein the powder mixture comprises at least one of a nickel powder and a NiCr alloy powder.23: The process as recited in claim 22 , wherein the at least one of a nickel powder and a NiCr alloy powder is a cobalt base alloy claim 22 , a nickel base alloy claim 22 , or an iron base alloy.24: The process as recited in claim 23 , wherein the cobalt base alloy claim 23 , the nickel base alloy claim 23 , or the iron base alloy comprises at least one ...

THERMAL SPRAY POWDER FOR SLIDING SYSTEMS WHICH ARE SUBJECT TO HEAVY LOADS

A process for producing a chromium nitride-containing spraying powder includes providing an alloy powder comprising at least 10 wt.-% of chromium, and at least 10 wt.-% of at least one element selected from transition groups IIIA to IIB of the Periodic Table of Elements and B, Al, Si, Ti, Ga, C, Ge, P and S. The alloy powder is nitrided in the presence of nitrogen so as to form at least one of CrN and CrN. 132-. (canceled)33. A process for producing a chromium nitride-containing spraying powder , the process comprising: at least 10 wt.-% of chromium, and at least 10 wt.-% of at least one element selected from,', 'transition groups IIIA to IIB of the Periodic Table of Elements, and', 'B, Al, Si, Ti, Ga, C, Ge, P and S; and, 'providing an alloy powder comprising,'}{'sub': '2', 'nitriding the alloy powder in the presence of nitrogen so as to form at least one of CrN and CrN.'}34. The process as recited in claim 33 , wherein the nitriding is preformed at a nitrogen partial pressure of >1 bar.35. The process as recited in claim 33 , wherein the nitriding is performed at a nitrogen partial pressure in a range of from 7 to 100 bar.36. The process as recited in claim 33 , wherein the nitriding is performed in a nitrogen-containing gas atmosphere comprising less <1% by volume of oxygen claim 33 , based on a total gas atmosphere.37. The process as recited in claim 33 , wherein the nitriding is performed in a nitrogen-containing gas atmosphere comprising >80% by volume of nitrogen claim 33 , based on a total gas atmosphere.38. The process as recited in claim 33 , wherein the at least one element is selected from a cobalt base alloy claim 33 , a nickel base alloy claim 33 , and an iron base alloy.39. The process as recited in claim 38 , wherein where the cobalt base alloy claim 38 , the nickel base alloy claim 38 , and the iron base alloy comprise at least one constituent selected from the group consisting of Si claim 38 , Mo claim 38 , Ti claim 38 , Ta claim 38 , Nb claim 38 , ...

Feni binder having universal usability

A sintered composite material obtainable by a method which includes providing a composition which includes at least one hardness carrier and a base binder alloy, and sintering the composition. The base binder alloy includes from 66 to 93 wt.-% of nickel, from 7 to 34 wt.-% of iron, from 0 to 9 wt.-% of cobalt, and up to 30 wt.-% of one or more elements selected from W, Mo, Cr, V, Ta, Nb, Ti, Zr, Hf, Re, Ru, Al, Mn, B, N and C. The wt.-% proportions of the base binder alloy add up to 100 wt.-%.

Zirconium oxide powder for thermal spraying

The present invention relates to zirconium oxide powder for thermal spraying and a method for its manufacture. Furthermore, the present invention relates to thermal insulation layers, which are obtained using the zirconium oxide powder according to the invention.

CERMET POWDER

A cermet powder includes a) from 50 to 90 wt-% of at least one hard material, and b) from 10 to 50 wt-% of a matrix metal composition. The wt.-% for a) and b) are based on a total weight of the cermet powder. The matrix metal composition comprises i) from 40 to 75 wt-% of iron and nickel, ii) from 18 to 35 wt-% of chromium, iii) from 3 to 20 wt.-% of molybdenum, and iv) from 0.5 to 4 wt-% of copper. The wt-% for i) to iv) are based in each case on a total weight of the matrix metal composition. A weight ratio of iron to nickel is from 3:1 to 1:3. 126-. (canceled)27. A cermet powder comprising:a) from 50 to 90 wt-% of at least one hard material; and i) from 40 to 75 wt-% of iron and nickel,', 'ii) from 18 to 35 wt-% of chromium,', 'iii) from 3 to 20 wt.-% of molybdenum, and', 'iv) from 0.5 to 4 wt-% of copper,', 'the wt-% for i) to iv) being based in each case on a total weight of the matrix metal composition, and a weight ratio of iron to nickel being from 3:1 to 1:3., 'b) from 10 to 50 wt-% of a matrix metal composition, the wt.-% for a) and b) being based on a total weight of the cermet powder, the matrix metal composition comprising28. The cermet powder as recited in claim 27 , wherein the matrix metal composition further comprises v) cobalt.29. The cermet powder as recited in claim 28 , wherein the cobalt is present in an amount of up to 10 wt-% based on the total weight of the matrix metal composition.30. The cermet powder as recited in claim 27 , wherein the matrix metal composition further comprises vi) a modifier.31. The cermet powder as recited in claim 30 , wherein the modifier is selected from Al claim 30 , Nb claim 30 , Ti claim 30 , Ta claim 30 , V claim 30 , Si claim 30 , W and mixtures thereof.32. The cermet powder as recited in claim 30 , wherein the modifier is present in an amount of up to 5 wt-% based on the total weight of the matrix metal composition.33. The cermet powder as recited in claim 27 , wherein the matrix metal composition consists ...

Sintered molybdenum carbide-based spray powder

A sintered spray powder includes from 5 to 50 wt.-% of a metallic matrix, from 50 to 95 wt.-% of a hard material, and from 0 to 10 wt.-% of a wear-modifying oxide, each based on the total weight of the sintered spray powder. The metallic matrix comprises from 0 to 20 wt.-% of molybdenum based on the total weight of the metallic matrix. The hard material comprises at least 70 wt.-% of molybdenum carbide based on the total weight of the hard material. An average particle diameter of the molybdenum carbide in the sintered spray powder is <10 μm, determined in accordance with ASTM E112.

Metal powder

Thermal spray powder for highly stressed sliding systems

LA PRESENTE INVENCIÓN COMPRENDE UN PROCESO PARA IA PRODUCCIÓN DE UN POLVO DE PROYECCION, QUE CONTIENE NITRURO DE CROMO, QUE COMPRENDE LOS SIGUIENTES PASOS: A.-PRODUCCIÓN A SUMINISTRO DE UNA ALEACION DE POLVO QUE COMPRENDE I) A LO MENOS 10% POR PESO DE CROMO, Y II) A LO MENOS 10 % POR PESO DE UNO O MAS ELEMENTOS ADICIONALES (A) SELECCIONADOS DE LOS GRUPOS DE TRANSICION IIIA A IIB DE LA TABLA PERIÓDICA Y TAMBIÉN B, AL, Ti, Si, Ti, Ga, C, Ge, P Y S. B.-NITRURACION DEL POLVO EN PRESENCIA DE NITRÓGENO, CON FORMACION DE CrN Y/O Cr2N. THE PRESENT INVENTION INCLUDES A PROCESS FOR THE PRODUCTION OF A PROJECTION POWDER, CONTAINING CHROME NITRIDE, THAT INCLUDES THE FOLLOWING STEPS: A.-PRODUCTION SUPPLYING A DUST ALLOY THAT INCLUDES I) AT LEAST 10% BY WEIGHT CHROME, AND II) AT LEAST 10% BY WEIGHT OF ONE OR MORE ADDITIONAL ELEMENTS (A) SELECTED FROM TRANSITION GROUPS IIIA TO IIB OF THE PERIODIC TABLE AND ALSO B, AL, Ti, Si, Ti, Ga, C, Ge, PY SB-NITRURATION OF POWDER IN THE PRESENCE OF NITROGEN, WITH TRAINING OF CrN AND / OR Cr2N.

Sintered metal and alloy powders for powder metallurgical applications and processes for their production and their use

The invention relates to a method for producing metal and alloy powders containing at least one of the metals iron, copper, tin, cobalt or nickel. According to the method an aqueous solutions of metal salts is mixed with an aqueous carboxylic acid solution, the precipitation product is separated from the mother liquor and the precipitation product is reduced to metal.

Sinter-active metal and alloy powders for powder metallurgy applications and methods for their production and their use

The invention relates to a method for producing metal and alloy powders containing at least one of the metals iron, copper, tin, cobalt or nickel. According to the method an aqueous solutions of metal salts is mixed with an aqueous carboxylic acid solution, the precipitation product is separated fro m the mother liquor and the precipitation product is reduced to metal.

metal formulations

Formulierung enthaltend mindestens einen Hartstoff- und mindestens 2 Bindemetallpulver, dadurch gekennzeichnet, dass im ersten Bindemetallpulver das Kobalt vollständig enthalten und mit einem oder mehreren Elementen aus den Gruppen 3 bis 8 des Periodensystems der Elemente vorlegiert ist, und mindestens ein weiteres Bindemetallpulver aus der Gruppe der Elementpulver Fe, Ni, Al, Mn, Cr oder deren Legierungen miteinander enthalten ist und die weiteren Bindemetallpulver kein Cobalt in nicht vorlegierter Form enthalten und wobei der Legierungspartner des Kobalts im ersten Bindemetallpulver ein Element der vierten Periode ist.

Use of binder alloy powder containing specific range of molybdenum (in alloyed form), iron, cobalt, and nickel to produce sintered hard metals based on tungsten carbide

Use of binder alloy powder containing 0.1-10 wt.% of molybdenum in alloyed form to produce sintered hard metals based on tungsten carbide, is claimed, where the binder alloy powder: has a Fisher Sub Sieve Sizer value of 0.5-3 mu m, measured according to ASTM B33O, and comprises 0.1-65 wt.% of iron, 0.1-99.9 wt.% of cobalt, and 0.1-99.9 wt % of nickel. An independent claim is included for pre-alloyed powder comprising 0.1-65 wt.% of iron, 0.1-60 wt.% of cobalt, 10-80 wt.% of nickel and 0.1-20 wt.% of molybdenum in metallic form and balance amount of impurities, where the pre-alloyed powder has a Fisher Sub Sieve Sizer value of maximum of 3 mu m, measured according to ASTM B33O.

Process for producing chromium nitride-containing spraying powders

Process for producing chromium nitride-containing spraying powders The present invention relates to a process for producing chromium nitride- containing spraying powders, which comprises the following steps: a) production of a powder mixture (A) comprising i) a powder (B) comprising one or more constituents selected from the group consisting of Cr, CrN and Cr2N, and ii) a powder (C) comprising one or more constituents selected from the group consisting of nickel, cobalt, nickel alloys, cobalt alloys and iron alloys, b) solid-state sintering of the powder mixture (A) in a gas atmosphere containing nitrogen with formation of or an increase in the amount of or stabilization of CrN.

Production of molybdenum metal powder

The invention relates to a process for producing sinterable molybdenum metal powder in a moving bed, sinterable molybdenum powder and its use.

Method for producing heat insulation layers with vertical cracks

The present invention relates to thermally sprayed heat insulation layers which have vertical cracks, a method for the production thereof, and a component coated with such a heat insulation layer.

A metal powder granulate, a process for its preparation and its use

Submicron carbonitride powder, process for their preparation and their use

Thermal spraying powder for highly stressed sliding systems

The present invention comprises a process for producing spray powders containing chromium nitride, comprising the following steps: a) preparing or providing an alloy powder comprising i) at least 10% by weight of chromium, and ii) at least 10% by weight of one or more additional elements (A) selected from the sub-groups IIIA to IIB of the periodic table as well as B, AL, Ti, Si, Ti, Ga, C, Ge, P and S, b) nitriding the powder in the presence of nitrogen under formation of CrN and/or Cr2N.

Production of molybdenum metal powder

The invention relates to a process for producing sinterable molybdenum metal powder in a moving bed, sinterable molybdenum powder and its use.

Ultra-coarse, monocrystalline tungsten carbide and a process for the preparation thereof, and hardmetal produced therefrom

A process is described for the preparation of tungsten and/or molybdenum metal powder or carbide by reducing and optionally carburizing treatment of tungsten and/or molybdenum oxide powder in the presence of alkali metal compounds, wherein at least two alkali metal compounds are used in a ratio so that mixed alkali tungstate or molybdate potentially formed in an intermediate step ((Li, Na, K) 2 WO Z , (Li, Na, K) 2 MoO Z ) has a melting point of less than 550° C., wherein z is from 3 to 4.

Sintered molybdenum carbide-based spray powder

A sintered spray powder includes from 5 to 50 wt.-% of a metallic matrix, from 50 to 95 wt.-% of a hard material, and from 0 to 10 wt.-% of a wear-modifying oxide, each based on the total weight of the sintered spray powder. The metallic matrix comprises from 0 to 20 wt.-% of molybdenum based on the total weight of the metallic matrix. The hard material comprises at least 70 wt.-% of molybdenum carbide based on the total weight of the hard material. An average particle diameter of the molybdenum carbide in the sintered spray powder is <10 μm, determined in accordance with ASTM E112.

Metal powder granulates, method for their production and use of the same

The invention concerns metal powder granulates comprising one or a plurality of the metals Co, Cu, Ni, W and Mo. The invention further concerns a method for the production of these granulates and the use thereof. The production method is characterized in that a metal compound comprising one or a plurality of the groups comprising oxides, hydroxides, carbonates, hydrogenocarbonates, oxalates, acetates, formiates with binder and optionally in addition between 40 and 80 % solvent, relative to the solids content, is granulated as the starting component, and the granulates are thermally reduced in a hydrogen-containing gaseous atmosphere to form the metal powder granulates, the binder and the solvent, if used, being removed completely.

Sintered molybdenum carbide-based spray powder

The invention concerns a sintered spray powder based on a metal matrix and molybdenum carbide, a method for the production thereof and the use of the spray powder for coating components, in particular rotating and moving components. The invention also describes a method of applying a coating using the spray powder according to the invention and a component coated therewith.

Process for producing chromium nitride-containing spraying powders

The present invention relates to a method for producing sintered spray powders containing chromium nitride, comprising the following steps: a) preparing a powder mixture (A) comprising i) a powder (B) containing one or more components selected from the group consisting of Cr, CrN and Cr2N, and ii) a powder (C) comprising one or more components selected from the group consisting of nickel, cobalt, a nickel alloy, a cobalt alloy and an iron alloy, b) solid phase sintering of the powder mixture (A) in a gas atmosphere containing nitrogen while forming or enriching or stabilizing CrN.

Metal powder granules, process for its preparation and its use

The invention concerns metal powder granulates comprising one or a plurality of the metals Co, Cu, Ni, W and Mo. The invention further concerns a method for the production of these granulates and the use thereof. The production method is characterized in that a metal compound comprising one or a plurality of the groups comprising oxides, hydroxides, carbonates, hydrogenocarbonates, oxalates, acetates, formiates with binder and optionally in addition between 40 and 80 % solvent, relative to the solids content, is granulated as the starting component, and the granulates are thermally reduced in a hydrogen-containing gaseous atmosphere to form the metal powder granulates, the binder and the solvent, if used, being removed completely.

COATED CUTTING TOOL INSERT WITH BINDER NICKEL BASE PHASE

Coated cutting tool insert with iron-nickel based binder phase

The present invention relates to cutting tool insert consisting of a tungsten carbide based hard metal substrate and a coating. The hard metal consists of about 4-15 wt-% binder phase with face centered cubic structure and a composition of 35-65 wt-% Fe and 35-65 wt-% Ni in addition to dissolved elements. As a result, inserts have been produced with at least as good performance in machining as conventional state-of-the-art inserts with Co-based binder phase. The insert can be applied in milling and turning of low and medium alloyed steels as well as stainless steels.

Production of molybdenum metal powder

Die Erfindung betrifft ein Verfahren zur Herstellung von sinterfähigem Molybdän-Metallpulver in bewegtem Bett, sinterfähige Molybdän-Pulver, sowie deren Verwendung. The invention relates to a method for the production of sinterable molybdenum metal powder in moving bed, sinterable molybdenum powder, and their use.

Ultragrobes, einkristallines wolframkarbid und verfahren zu dessen herstellung; und daraus hergestelltes hartmetall

Způsob výroby karbidů wolframu nauhličováním v plynné fázi

Verfahren zur herstellung von wolframkarbiden durch gasphasenkarburierung

Sinteraktive metall- und legierungspulver für pulvermetallurgische anwendungen und verfahren zu deren herstellung und deren verwendung

Submicrone carbonitrid-pulver, verfahren zu ihrer herstellung sowie deren verwendung

Verfahren zur herstellung von hartmetallmischungen

Metallpulver-granulat, verfahren zu seiner herstellung sowie dessen verwendung

Beschichteter schneidwerkzeugeinsatz mit bindemittelphase auf eisen-nickel-basis

Herstellung presshilfsmittel-haltiger pulver

Verfahren zur Herstellung von mit Presshilfsmitteln versetzten Pulvern, insbesondere Metallpulvern, wobei in einem ersten Schritt pulverförmiges Presshilfsmittel mit einem Ausgangspulver bei einer Temperatur unterhalb des Schmelzpunkts des Presshilfsmittels gemischt wird, und in einem zweiten Schritt die aus dem ersten Schritt erhaltene Mischung auf eine Temperatur von mindestens der Schmelztemperatur des Presshilfsmittels erwärmt wird, wobei die Mischung beim Erwärmen und beim nachfolgenden Abkühlen nicht in sich bewegt wird, und Verfahren zur Herstellung von sinterbaren metallischen Formteilen aus diesen mit Presshilfsmitteln versetzten Pulvern.

Coated cutting tool insert with iron-nickel based binder phase

The present invention relates to cutting tool insert consisting of a tungsten carbide based hard metal substrate and a coating. The hard metal consists of about 4-15 wt-% binder phase with face centered cubic structure and a composition of 35-65 wt-% Fe and 35-65 wt-% Ni in addition to dissolved elements. As a result, inserts have been produced with at least as good performance in machining as conventional state-of-the-art inserts with Co-based binder phase. The insert can be applied in milling and turning of low and medium alloyed steels as well as stainless steels.

Vložka řezného nástroje obsahující podklad z tvrdokovu a povlak

Vložka řezného nástroje obsahuje podklad z tvrdokovu na bázi karbidu wolframu a povlak. Tvrdokov obsahuje od 4 do 15 % hmotnostních pojivové fáze s plošně centrovanou kubickou strukturou, přičemž pojivová fáze obsahuje od 35 do 60 % hmotnostních železa a zbytek niklu, kromě nečistot a minoritních množství rozpuštěných prvků. Vložky mohou být použity pro frézování a soustružení nízko a středně legovaných ocelí, stejně jako nerezových ocelí.

Coated cutting tool insert with iron-nickel based binder phase

The present invention relates to cutting tool insert consisting of a tungsten carbide based hard metal substrate and a coating. The hard metal consists of about 4-15 wt-% binder phase with face centered cubic structure and a composition of 35-65 wt-% Fe and 35-65 wt-% Ni in addition to dissolved elements. As a result, inserts have been produced with at least as good performance in machining as conventional state-of-the-art inserts with Co-based binder phase. The insert can be applied in milling and turning of low and medium alloyed steels as well as stainless steels.

Ventilmetalloxidformulierung

Die vorliegende Erfindung betrifft eine Ventilmetalloxidformulierung mit organischen Hilfsmitteln, wobei der zum Erreichen einer Gründichte von mindestens 50% der theoretischen Dichte notwendige Pressdruck bei 200 MPa oder darunter liegt und die zum Zerstören des Presslings benötigte Kraft in axialer und radialer Richtung 10 MPa oder mehr beträgt sowie ein Verfahren zu deren Herstellung.