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WO/2012/033160A1 |
The surface of an Ir-based alloy material or a Ru-based alloy material is covered uniformly with an Ir-Al intermetallic compound coating film or a Ru-Al intermetallic compound coating film, wherein the Ir-based alloy material or the Ru-b...
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WO/2012/021254A1 |
Cemented carbide compositions consisting essentially of tungsten carbide particles and a cobalt-silicon alloy binder are disclosed. Also disclosed are methods of making the cemented carbide compositions and articles which incorporate the...
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WO/2012/014835A1 |
Provided is a rack for firing which holds a plurality of flat board-like setters at multiple levels in the perpendicular direction by means of a setter holding means, and fires electronic ceramic elements at multiple levels. The setter h...
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WO/2012/014949A1 |
In silver-oxide electric contact materials, there has been the problem of oxides being deposited on the contact surface by repeated electrical opening/closing, resulting in contact resistance at the contact surface and causing a temperat...
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WO/2012/004654A1 |
Method for the production of an element subject to wear (10), comprising a metal matrix (14) and at least a core (12) of hard material. The method provides a first step in which a temporary aggregation structure (17) is prepared with at ...
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WO/2012/004655A1 |
Method for the production of an element subject to wear (10), comprising a metal matrix (14) and at least a core (12) of hard material. The method provides a first step in which a temporary aggregation structure (17) is prepared with at ...
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WO/2011/162107A1 |
The disclosed electrical contact material is highly resistant to welding and wear and exhibits excellent temperature performance. Said electrical contact material (31) contains, by mass, more than 30% and no more than 55% tungsten carbid...
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WO/2011/154291A1 |
The present invention relates to a coated cutting tool comprising a PVD coating and a cemented carbide substrate comprising Co in an amount of 12.5-17 wt%, Cr in an amount such that the Cr/Co weight ratio is 0.05-0.15, a Ti of between 50...
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WO/2011/149401A1 |
The present invention relates to a method for the production of cemented carbide based hard metal parts comprising hard constituents in a binder phase by using powder injection moulding or extrusion of a mixture of hard constituents and ...
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WO/2011/144668A1 |
A spherical tungsten carbide powder is characterized by that the material has a microhardness higher than 3600 kgf/mm2, and that the powder has an apparent density from 9.80 to 11.56 g/cm3. A method for the manufacture of a powder compri...
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WO/2011/137472A1 |
The invention relates to a titanium diboride target which contains fractions of one or more metals from the group consisting of iron, nickel, cobalt and chromium and also carbon. According to the invention, the mean grain size of the TiB...
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WO/2011/136197A1 |
Provided is a cermet such that wear resistance and fracture resistance are excellent, and that tool lives are stable. The cermet consists of a first hard phase of a complex carbonitride solid solution, a second hard phase of WC, and a bo...
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WO/2011/133100A1 |
The present invention relates to a method for injection moulding or extrusion of cemented carbide or cermet parts using a binder system, comprising 20-70 wt-% olefinic polymer, 30-80 wt-% wax. According to the invention, said olefinic po...
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WO/2011/129422A1 |
Disclosed is a coated sintered cBN which has excellent abrasion resistance and excellent chipping resistance, and in which the adhesion between a base material and a coating film is excellent, and which can have a prolonged tool life com...
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WO/2011/127321A2 |
An improved composition of titanium sintered titanium carbide is provided. The composition provides an improved degree of strength and toughness and improved compatibility with medical imaging. The composition provides good compatibility...
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WO/2011/126104A1 |
Disclosed is a composite body comprising a cBN sintered body and a hard alloy that are firmly bonded. The composite body comprises a cBN sintered body, a hard alloy, and a bonding layer between the cBN sintered body and the hard alloy, w...
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WO/2011/118576A1 |
Disclosed is a sprayed coating that is of a jig for producing a glass sheet, and that has favorable abrasion resistance and lubricity at high temperatures at or above the strain point of the glass sheet. The sprayed coating, which is of ...
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WO/2011/094800A1 |
A hard metal material and a method of manufacturing a component of the hard metal material are disclosed. The hard metal material comprises 5-50 volume % particles of a refractory material dispersed in a host metal. The method comprises ...
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WO/2011/061435A1 |
The invention relates to a method for manufacturing a reinforced alloy including a metal matrix wherein nanoparticles are scattered, at least 80% of said nanoparticles having a mean size between 1 nm and 80 nm, said nanoparticles includi...
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WO/2011/058167A1 |
The present invention relates to a cemented carbide comprising WC grains, 3- 20 wt. % binder selected from Co or Co and Ni and grain growth inhibitors wherein the WC mean grain size lies in the range of 180 nm and 230 nm, at least 10±2 ...
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WO/2011/049049A1 |
Disclosed is an improved tungsten cathode material which is used for TIG welding, plasma welding, plasma cutting, electric discharge processing, a discharge lamp and the like. The tungsten cathode material is reduced in the amount of use...
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WO/2011/049361A2 |
Disclosed is a cermet sintered body having a microstructure comprising: a carbide of two or more metals comprising titanium (Ti), which are selected from metals of groups IVA, VA and VIA in the periodic table, a carbonitride of the metal...
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WO/2011/043535A1 |
The present invention relates to a brazed material in which WC-Fe-based hard metal is directly brazed onto an iron-based alloy base material, and to a method for preparing the brazed material. The WC-Fe-based hard metal-brazed material o...
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WO/2011/029773A1 |
A polycrystalline diamond (PCD) composite compact element comprising a PCD structure bonded to a cemented carbide substrate, in which at least a peripheral region of the substrate comprises cemented carbide material having a mean free pa...
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WO/2011/029785A1 |
The invention relates to a method for assembling at least two parts (1, 2) made of silicon carbide materials by non-reactive brazing, comprising contacting the parts (1, 2) with a non-reactive brazing composition (4), heating the assembl...
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WO/2011/020468A1 |
The invention relates to a brass alloy substantially consisting of copper and zinc. The alloy has at least one additional alloy component. A lead content is at most 0.1 weight percent. The zinc fraction is 40.5 to 46 weight percent. The ...
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WO/2011/021554A1 |
Disclosed are a super hard alloy which has high thermal diffusivity and excellent wear resistance, and a cutting tool which comprises a base member that is composed of the super hard alloy. Specifically disclosed is a WC-based super hard...
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WO/2011/017318A1 |
Consolidated materials comprising a plurality of coated particles dispersed in a tough matrix material are disclosed. The coated particles include a plurality of core particles having an intermediate layer that substantially surrounds ea...
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WO/2011/011771A2 |
An exemplary cutting element incorporates a non-magnetic and electrically conductive substrate on which a layer of polycrystalline diamond particles is sintered to the substrate. An exemplary method of forming a cutting element comprises...
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WO/2011/005404A2 |
A rock bit including a bit body having an upper end adapted to be detachably secured to a drill string; at least one roller cone; at least one cutting element disposed on the at least one roller cone; and a wear resistant weld overlay on...
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WO/2011/002008A1 |
Disclosed is a cermet which comprises: a first hard phase that is composed of WC; a second hard phase that is composed of at least one substance selected from among carbides, nitrides and carbonitrides of group 4, 5 and 6 elements of the...
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WO/2010/147718A2 |
Subterranean drill bits (50) having good erosion resistance, strength, toughness, and thermal stability are disclosed. The drill bits (50) comprise a bit body (54) carrying at least one cutting element (56) and having an infiltrated meta...
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WO/2010/143594A1 |
Disclosed is a powder for thermal spraying which comprises cermet particles obtained through granulation and sintering. The cermet particles obtained through granulation and sintering have an average particle diameter of 5-25 µm. The pa...
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WO/2010/141575A2 |
Methods, systems and compositions for manufacturing downhole tools and downhole tool parts for drilling subterranean material are disclosed. A model having an external peripheral shape of a downhole tool or tool part is fabricated. Mold ...
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WO/2010/137652A1 |
Disclosed is a ceramic for decorative parts which has a silver color tone and can impart a sense of luxury, a feeling of aesthetic satisfaction and spiritual comfort, and which has excellent mechanical characteristics such as a high hard...
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WO/2010/135859A1 |
An accurate shaping method for metal ceramic material comprises: producing TiC and TiN metal ceramic alloy powder; making up binders; heating the binders and the alloy powder and mixing them fully, then cooling for 18-36 hours, crashing ...
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WO/2010/132185A1 |
Composite articles, including composite rotary cutting tools and composite rotary cutting tool blanks, and methods of making the articles are disclosed. The composite article includes an elongate portion. The elongate portion includes a ...
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WO/2010/126424A1 |
The present invention relates to a cemented carbide with a homogeneous and dense microstructure of hard constituents in a well distributed binder phase based on Co and/or Ni with a porosity of A00-B00according to ISO 4505. The cemented c...
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WO/2010/123104A1 |
Disclosed are: a ceramics for a decorative component, which has a golden color tone, gives a high-grade impression, aesthetic satisfaction and a feeling of mind relaxation, shows a small color difference, and does not damage the beauty o...
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WO/2010/123906A2 |
Control of the carbide volume in the matrix in an impregnated bit is accomplished by coating the hard particles in the matrix to space them further apart to increase the soft binder percentage in a controllable manner. The softer binder ...
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WO/2010/119795A1 |
Disclosed is a cemented carbide which has high hardness, excellent strength and excellent toughness. The cemented carbide has a hard phase that is mainly composed of WC particles and a binder phase that is mainly composed of CoxWyCz, and...
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WO2010110197A1 |
A cermet suitable for use as a material for cutting tools which have excellent chipping resistance and with which works can be cut so as to result in cut surfaces having excellent quality; and a coated cermet tool. The cermet comprises h...
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WO/2010/108178A1 |
A hardfacing composition comprising an iron-based binder alloy; and a carbide phase comprising a sintered carbide and a cast tungsten carbide, wherein the cast carbide is present in a quantity of at least 22 % by weight, based on the tot...
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WO/2010/104094A1 |
Disclosed is a cermet which is configured of hard phases and a bonding phase that is mainly composed of an iron group metal. Each hard phase contains W and nitrogen, and is composed of at least one compound selected from among metal carb...
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WO/2010/104777A2 |
Earth-boring tools comprising bodies with one or more thermally conductive insert support regions and one or more inserts secured to the one or more insert support regions are disclosed. The inserts may each comprise an insert body, whic...
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WO/2010/103418A1 |
The invention relates to a superhard element (10) comprising a polycrystalline superhard structure (20) joined at an interface to a hard-metal body (30) comprising metal carbide grains bonded together by a metal binder,- the polycrystall...
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WO/2010/097784A1 |
The invention relates to hard-metal body comprising a hard-metal, the hard-metal comprising tungsten carbide grains and metal binder comprising cobalt having a concentration of tungsten dissolved therein, the body comprising a surface re...
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WO/2010/096003A1 |
The invention relates to a method for injection moulding or extrusion of cemented carbide or cermet parts with a solids loading of φ= 0.54- 0.56, using a binder system, comprising 30-60 wt-% olefinic polymers, 40-70 wt-% waxes. The bind...
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WO/2010/096004A1 |
The present invention relates to a fine grained cemented carbide powder mixture for cutting tool inserts for metal machining comprising WC-powder with a Scott density of 2.75 - 3.75 g/cm3 and a compacting density after dry pressing at 10...
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WO/2010/096538A1 |
A drill bit that includes a bit body having a plurality of blades extending radially therefrom, at least a portion of the plurality of blades comprises a first matrix region comprising a plurality of first carbide particles separated by ...
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