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JP3866305B2 |
PURPOSE: To provide a combined material with high hardness for tool having extremely improved cutting properties, abrasion resistance and fracture resistance and a life much longer than that of a conventional tool by forming a hard heat-...
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JP3837104B2 |
To form a carbon nano material and a metallic material mixed granular bodies and realize injection molding of a metallic product having characteristics of the carbon nano material by compounding the mixed granular bodies as a forming mat...
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JP3832596B2 |
Multi-layer coated diamond abrasive particles having improved wear performance in abrasive tools are provided, wherein the coating comprises a single homogenous, carbide forming metal primary layer, preferably of chromium, and at least o...
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JP3825347B2 |
To provide a composite structure free from voids due to inferior sintering and having high hardness and high toughness. The composite structure 1 which is a composite structure comprising, as a long core material 4 and/or a skin member 8...
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JP3814303B2 |
A method of making a bonded, coherent material comprising a mass of diamond crystals in a matrix, which optionally contains another phase. The method includes the steps of providing a source of diamond crystals, providing a plurality of ...
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JP3801215B2 |
The present invention describes a diamond tool with diamond bonded chemically by a braze that contains either Cr, Mn, SI or Al or mixtures or alloys thereof. The diamond tool is made by infiltrating the braze into a matrix metal that con...
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JP3787602B2 |
PURPOSE: To enable diamond particles to be applicable to all uses such as adjusting characteristics such as strength, etc., drill bits, dressers, etc., by coating granules containing diamond particles and its sintering auxiliary. CONSTIT...
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JP2006501073A |
Multi-layered superabrasive tools and methods for the making thereof are disclosed and described. In one aspect, superabrasive particles are chemically bonded to a matrix support material according to a predetermined pattern by a braze a...
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JP3731136B2 |
To improve the cooling efficiency of the heat that is generated in the target layer 12. A thermal diffusion layer 11 is formed between the base plate 10 and the target layer 12, and the heat that is generated in the target layer by the c...
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JP2005532476A |
Disclosed is a sintered body with high hardness for cutting cast iron, which contains cubic boron nitride(CBN), high pressure phase nitride. The sintered body of the present invention is prepared by sintering cubic boron nitride powder a...
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JP2005184021A |
To provide a material, in which thermal conductivity is 500 W/(m K) or higher and is higher than that of AlN or SiC sintered body, and coefficient of thermal expansion is 3.0 to 6.5×10-6/K and which is close to that of semiconductor dev...
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JP2005131740A |
To provide a long service life cutting tool causing little chipping and abrasion by realizing superior work surface roughness even in extremely small inner diameter work, and an inner diameter working method using this cutting tool.This ...
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JP3641794B2 |
To provide a blade material which is great in both of cutting quality and its persistence for kitchen knives and other cutters used for selective cutting of the tissues, cells, etc., of living things. This blade material is formed by edg...
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JP3623740B2 |
A straight, thin, monolithic abrasive wheel formed of hard and rigid abrasive grains and a sintered metal bond including a stiffness enhancing metal component exhibits superior stiffness. The metals can be selected from among many sinter...
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JP3606311B2 |
To provide a composite material excellent in wear resistance, and in which the superhard particles of diamond or the like are hard to fall off. This composite material contains superhard particles and a hard material such as cemented car...
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JP3603950B2 |
To provide a composite material excellent in wear resistance, and in which the superhard particles of diamond or the like are hard to fall. This composite material contains superhard particles and a hard material such as cemented carbide...
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JP2004299014A |
To provide a drill made of diamond-containing-ceramics composite material using diamond powder having an average particle size of not less than 5 μm with nearly theoretical density.The drill is manufactured by using the composite materi...
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JP2004525779A |
A metal-infiltrated polycrystalline diamond composite tool comprising a plurality of diamond grains forming a continuous polycrystalline diamond matrix, a metallic phase being substantially palladium-free and contiguous to the continuous...
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JP2004197153A |
To provide a diamond-metal composite material of high thermal conductivity favorable for a semi-conductor device, and a manufacturing method therefor.In the diamond-metal composite material, diamond particles having a reaction layer cons...
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JP2004520957A |
The invention relates to a tool for machine tools, comprising a base (10) and a cutting coating (12) that comprises a binder material (14) in which abrasive cutting bodies (16), especially diamonds, are firmly incorporated by means of a ...
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JP2004160637A |
To improve efficiency of a cubic boron nitride superabrasive tool.A sintered cubic boron nitride (cBN) compact for use in a tool is composed of about 60 to 80 volume % of cBN having a volumetric average particle size of about 3 to 6 μm ...
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JP2004510884A |
An abrasive and wear resistant material comprises a mass of carbide particles, a mass of cubic boron nitride particles, and a bonding metal or alloy, bonded into a coherent, sintered form. The cubic boron nitride particle content of the ...
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JP2004076044A |
To obtain a ceramics-metal composite material extremely in high thermal conductivity and excellent in heat radiability.The ceramics-metal composite material is provided with hard particles 11 consisting of at least one kind selected from...
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JP2004074398A |
To provide a manufacturing method of an abrasive compact using a mixture of abrasive particles having different diameters and having a longer effective working life compared to compacts of the conventional technology, used for machining,...
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JP2004505786A |
A method of producing an abrasive product comprises providing a mixture of a mass of discrete carbide particles and a mass of diamond particles, the diamond particles being present in the mixture in an amount such that the diamond conten...
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JP2004506094A |
A method of producing an abrasive product consists of providing a mixture of a mass of discrete carbide particles and a mass of cubic boron nitride particles, the cubic boron nitride particles being present in the mixture in an amount su...
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JP2004503675A |
A composite diamond compact is provided which has a diamond compact (12) bonded to a cemented carbide substrate (10). The composite diamond compact is characterised by the second phase for the diamond compact (12) and the binder for the ...
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JP3472622B2 |
PURPOSE: To manufacture an abrasive compact with a longer life by forming a cemented carbide abrasive particle aggregate adapted to the manufacture of an abrasive compact with particles having the average particle size below a specific v...
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JP2003226930A |
To provide a wear-resistant member having minimal warp and excellent bindability to steel, and to provide its manufacturing method.This wear resistant member has a layer in which super-hard particles are dispersed in a hard material comp...
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JP3435660B2 |
PURPOSE: To produce a sintered hard tool excellent in strength by using, as a binder for hard powder, a mixture of two kinds of Co powder each with a specific quality at the time of producing a grinding tool by sintering a green compact ...
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JP2003211361A |
To provide a low-cost diamond polishing wheel and a diamond polished body or the like polished by the diamond polishing wheel capable of polishing single crystal diamond, a diamond thin film, a diamond sintered body, or the like at a low...
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JP2003147410A |
To provide a method for manufacturing a diamond sintered compact block with high precision and in a high yield, used for anvils for research under an ultrahigh pressure, forming dies for hard materials and component materials of cutting ...
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JP2003095743A |
To provide a diamond sintered compact which is improved in the bonding strength of diamond particles to each other or the bonding strength by matrix material and exhibit such bonding strengthes, particularly at a high temperature, and a ...
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JP3381793B2 |
A process for the production of powdered metallic cobalt by reduction of cobaltous ammonium sulphate solutions. A soluble silver salt, preferably silver sulphate, is added in an amount to provide a soluble silver to cobalt weight ratio i...
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JP3375682B2 |
A method of producing an abrasive product comprises the steps of providing a mixture of diamond and discrete carbide particles, the diamond particles being smaller than the carbide particles and present in the mixture in an amount of mor...
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JP3346609B2 |
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JP3327080B2 |
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JP3314119B2 |
PURPOSE: To easily produce a diamond composite member having high deflective strength at a low cost and to produce a diamond composite member capable of enhancing bonding strength to a base material. CONSTITUTION: The voids among crystal...
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JP3309897B2 |
To produce a superhard composite member excellent in hardness and wear resistance, in the method for producing a superhard composite member, by a specified method without using a superhigh pressure vessel. Thermodynamically quasistable d...
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JP2002173774A |
To provide a diamond coating method for obtaining an improved film having high oxidation resistance and firmer holding power.In the method, one or more kinds of metallic layer materials selected from Ti(1-x)Bx and Cr(1-x)Bx (wherein, xâ‰...
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JP2002512305A |
There is disclosed a method of abrading a product where a corrosive environment is experienced which includes the steps of using, as the abrading element, a composite diamond compact comprising a diamond compact bonded to a cemented carb...
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JP2002080964A |
To provide metal coated abrasive grains, i.e., grit, more concretely, metal coated grit for improving the retaining ratio in saw blades.Diamond grains are brought into contact with an alloy having the following composition: Ti(1-xCrx [in...
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JP3266417B2 |
PURPOSE: To obtain a superhard composite member excellent in hardness and strength and capable of easily forming a large-sized sintered compact. CONSTITUTION: This superhard composite member consists of superhard particles of at least on...
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JP3238007B2 |
PURPOSE: To manufacture an abrasive compact having excellent filling characteristic by use of compact synthesis conditions. CONSTITUTION: An ultra-hard abrasive particle mass having a particle size in a specified particle size range is u...
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JP2001288977A |
To provide an axisymmetric abrasive-particle compact cutting element in which polycrystalline abrasive particles are extended in a carbide support. The abrasive compact cutting element has an axisymmetric cemented carbide abrasive elemen...
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JP3210548B2 |
PURPOSE: To provide an abrasive grain machining tool containing abrasive grains and hard phase particles capable of reducing infiltration treatment temperature by bonding abrasive grains and hard phase particles by a metal bond of Cu-P a...
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JP3196802B2 |
PURPOSE: To provide a sintered body for a cemented carbide tool which is excellent in the chipping resistance and the wear resistance, and demonstrates the excellent cutting performance in working cast iron by using the prescribed compou...
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JP3193690B2 |
To simply detach abrasive grains from a core to easily recycle the core by providing strippable binder composition for a polishing tool having a core of which the main component is iron containing a specific rate of bronze alloy having s...
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JP2001187431A |
To provide a laminated structural material having high wear resistance, which is easily brazed to a steel even if it is in a long-sized item. The laminated structural material is composed of at least three layers having different composi...
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JP2001157902A |
To improve the wear resistance by suppressing the thermal diffusion wear during the cutting operation.A tip 12 formed of cemented carbide containing Co as a sintering-assisting agent (a binder) is fitted to a tip fitting seat 14 of a cut...
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