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WO/1999/013119A1 |
The present invention relates to a corrosion and oxidation resistant cemented carbide containing WC and 6-15 wt.% binder phase whereby the binder phase contains 8-12 wt.% Cr+Mo with an average WC grain size of 3-10 $g(m)m. This is obtain...
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WO/1999/013120A1 |
The present invention relates to a method of making a cemented carbide using submicron WC grain size (manufactured by carbothermal process) and containing WC and 6-24 wt.% Co using a cobalt powder having deagglomerated spherical grains o...
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WO/1999/010552A1 |
A rotary tool that includes an elongate tool body and a hard insert (16) affixed to the tool body is disclosed. The hard insert comprises a WC-cermet comprising tungsten carbide and about 5 wt.% to 19 wt.% Co-Ni-Fe-binder. The Co-Ni-Fe-b...
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WO/1999/010551A1 |
A pick-style tool that includes an elongate tool body (22) with an axially forward end (26) and an axially rearward end (24), and a hard insert (28) affixed to the tool body at the axially forward end is disclosed. The hard insert compri...
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WO/1999/010550A1 |
An elongate rotary tool including at least one cutting edge (4, 6) that is useful in the machining of workpiece materials is disclosed. The elongate rotary tool comprises a cermet comprising at least one hard component and about 0.2 wt.%...
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WO/1999/010549A1 |
Cermets having a Co-Ni-Fe-binder, a method for the manufacture and use thereof are described. The Co-Ni-Fe-binder comprises about 40 wt.% to 90 wt.% Co, the remainder consisting of Ni, Fe and incidental impurities. The binder is unique i...
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WO/1999/010553A1 |
A cutting insert (2) including a flank face (6), a rake face (4), and a cutting edge (8) at the intersection of the flank and rake faces that is useful in the chip forming machining of workpiece materials is disclosed. The cutting insert...
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WO/1999/003623A1 |
Sputter target, method of manufacture of same and sputter coating process using the target as a sputtering source are disclosed. The sputter target comprises an Me/Si multi-phase, consolidated blend wherein the Si component is present in...
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WO/1999/003624A1 |
A consolidated complex shaped article having a density of at least 95 percent of theoretical density is prepared by placing a plurality of separate bodies in an arrangement, such that each separate body is in contact with at least one ot...
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WO/1999/002288A1 |
Described is an in situ method for producing articles of metal aluminide or silicide by reactive sintering and vacuum hot pressing powders and products, such as sputtering targets, produced.
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WO/1999/002746A1 |
The present invention relates to a method for obtaining a sintered body of carbonitride alloy with titanium as main component which does not have a binder phase layer on the surface after sintering. This is obtained by performing the liq...
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WO/1998/054379A1 |
The invention concerns a mechanical part with abrasionproof surface characterised in that it comprises a sintered metallic body obtained from metallic powders and a laser-deposited cermet coating. The coating has a certain thickness wher...
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WO/1998/051830A1 |
According to the present invention a titanium based carbonitride cutting tool insert with superior thermal shock resistance is provided. This is accomplished by sintering the material under conditions where the melting process is reverse...
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WO/1998/051831A1 |
According to the present invention an uncoated titanium based carbonitride cutting tool insert with superior plastic deformation resistance and wear resistance is provided. This is accomplished by heat treating the material in nitrogen a...
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WO/1998/050712A1 |
A braking component such as a brake pad, brake rotor, brake drum or clutch disk is comprised of a metal substrate having a friction material laminated on at least a portion of at least one face of the metal substrate, the friction materi...
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WO/1998/045225A1 |
The working surfaces (3) of dental and surgical instruments (1) are coated with a ceramic material formed by plasma spraying of a composition including a cemented carbide matrix and a ceramic dispersion to form a hardened surface with im...
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WO/1998/038129A1 |
A production method of iron carbide capable of efficiently producing an iron carbide in response to a grain size of an iron-containing material or to the progress of the reaction, comprising the steps of fluidizing a coarse ore in sectio...
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WO/1998/036888A1 |
Provided is an aerosol method, and accompanying apparatus, for preparing powdered products of a variety of materials involving the use of an ultrasonic aerosol generator (106) including a plurality of ultrasonic transducers (120) underly...
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WO/1998/034874A1 |
The present invention relates to a method for producing carbonitride powders of the metals of the fourth, fifth and sixth subgroups of the periodic table of elements by calcination of mixtures of corresponding double oxides or multiple o...
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WO/1998/031842A1 |
Briquettes of either technical or chemical grade molybdenum oxide and a binding material selected from the group consisting of (a) sodium hydroxide, and (b) a binding composition comprising (i) at least one of ammonium and an alkali meta...
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WO/1998/028455A1 |
According to the present invention there is now provided a cemented carbide drill/endmill blank consisting of a core and a surrounding tube with improved technological properties. The difference in Co-content between the core and tube is...
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WO/1998/027241A1 |
A cemented carbide comprising WC grains (1) and at least one compound (3) which is selected among carbides, nitrides and carbonitrides of Group IVa, Va and VIa elements, and solid solutions of them and is present in at least part of the ...
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WO/1998/022631A1 |
A cemented tungsten carbide body having a transition metal binder phase selected from the group consisting of iron, nickel and cobalt is formed, wherein the WC grains have an average WC grain size of at most 0.5 micrometer in diameter an...
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WO/1998/018973A1 |
The present invention relates to a method of making a sintered body comprising one or more hard constituents in a binder phase by injection molding technique comprising wet milling of a powder mixture containing powders forming the hard ...
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WO/1998/016665A1 |
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 binder phase based of Co and/or Ni and has a ...
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WO/1998/016664A1 |
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 wherein the coating is adherently bonded ...
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WO/1998/014630A1 |
The invention relates to a coating powder and method for its production. Said powder can be used in many technical fields, specially in machine and vehicle construction and in chemical and petro-chemical installations. This coating powde...
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WO/1998/013528A1 |
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 Group IVB, Group VB and Group VIB metal ca...
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WO/1998/005801A1 |
The invention relates to ZrB�2?/Cu composites, and more specifically to methods of making ZrB�2?/Cu composite electrodes and methods of using ZrB�2?/Cu composite electrodes. ZrB�2? powder is contacted with a polymer and shaped to...
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WO/1998/005802A1 |
A hard sintered alloy having not only a wear resistance, a high corrosion resistance and a heat resistance but also a sufficiently high strength and a high tenacity in a wide temperature region from normal temperature to a high temperatu...
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WO/1998/003690A1 |
The present invention relates to a cemented carbide body comprising WC with an average grain size of < 10 $g(m)m in a binder phase. In the cemented carbide body the WC grains can be classified in at least two groups in which a group of s...
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WO/1998/003689A1 |
An improved hard wearing surface zone is being formed in a tungsten carbide-cobalt cemented carbide. This has been achieved by a post-sintering heat treatment in a boron nitride containing environment of a hard metal of a suitable compos...
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WO/1998/003691A1 |
The present invention relates to a cemented carbide insert with excellent properties for machining of steels and stainless steels. The cemented carbide comprises WC and 4-25 wt.% Co. The WC-grains have an average grain size in the range ...
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WO/1998/002396A1 |
The present invention relates to 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 1200 �C is performed in a...
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WO/1998/002395A1 |
The present invention relates to 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 1250 �C is performed in a...
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WO/1998/002394A1 |
The present invention relates to 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 1200 �C is performed in a...
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WO/1997/046497A1 |
A transition metal carbide-Group VIII metal powder comprising discrete particles of a transition metal carbide and Group VIII metal wherein: substantially all of the particles have a size of at most 0.4 micrometer; the transition metal c...
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WO/1997/043228A1 |
A composite ceramic-metal material has an Al2O3 matrix interpenetrated by a network of a ductile metal phase with a higher melting temperature than aluminium and which makes up 15 to 80 vol. % of its total volume. The Al2O3 matrix forms ...
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WO/1997/041368A1 |
A brake component wherein at least a portion of said brake component is a ceramic metal composite (CMC), the CMC having an interconnected ceramic phase and a noncontiguous metal phase dispersed within the interconnected ceramic phase. In...
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WO/1997/040203A1 |
The present invention discloses a method of sintering of cemented carbide or cermet bodies lying on graphite trays. By using graphite trays coated with a covering layer of Y2O3 containing < 20 wt.% ZrO2, or corresponding volumetric amoun...
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WO/1997/027002A1 |
The present invention uses ion beam assisted deposition to adhere a diamond-like carbon coating to a cobalt-cemented tungsten carbide substrate, resulting in the following gradient at the surface of the substrate: substrate/(metal-silici...
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WO/1997/026383A1 |
The invention concerns an oxide-free composite body with a binder metal phase and with at least one hard phase substantially consisting of: a cermet material with a binder metal phase of between 3 and 30 mass %, the remainder being at le...
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WO/1997/023660A1 |
A cemented carbide button, based on WC and cobalt, for rock drilling comprises a core and a surface zone. The core contains eta-phase and the surface zone has an inner part with a higher content of cobalt than the nominal and an outer pa...
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WO/1997/020083A1 |
The present invention discloses a coated cutting tool insert particularly useful for dry and wet machining in low and medium alloyed steels, stainless steels, with or without raw surface zones under severe conditions such as vibrations, ...
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WO/1997/020082A1 |
The present invention discloses a coated turning insert particularly useful for turning in stainless steel. The insert is characterised by a WC-Co-based cemented carbide substrate having a highly W-alloyed Co-binder phase and a coating i...
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WO/1997/020081A1 |
The present invention discloses a coated milling insert particularly useful for milling in low and medium alloyed steels with or without raw surface zones during wet or dry conditions. The insert is characterized by a WC-Co cemented carb...
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WO/1997/019775A1 |
Metal matrix composites, and methods for their production, are provided. In the subject method, a reinforcing phase is combined with an aqueous medium comprising a binder to produce a slurry. The slurry is then dried to produce a preform...
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WO/1997/013600A1 |
An improved metal matrix composite utilizes boron carbide as a ceramic additive to a base material metal. The base material metal is aluminum, magnesium, or titanium, or an alloy thereof, provided in powder form with the balance of the m...
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WO/1997/012999A1 |
Ceramic-ceramic and ceramic-metal composite materials are disclosed which contain at least two ceramic phases and at least one metallic phase. At least one of these ceramic phases is a metal boride or mixture of metal borides and another...
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WO/1997/008358A1 |
The invention relates to a process for manufacturing a pore free powder metallurgical alloy article starting with a minor portion of Sn powder and a major portion of In2O3 powder and comprising the steps of: substantially uniformly distr...
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