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JPH05320812A |
PURPOSE: To obtain a diamond sintered body of high quality by using an amorphous alloy as a catalyst, bringing the alloy having a catalytic compsn. into contact with diamond powder and executing sintering under specified conditions. CONS...
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JPH0577638B2 |
Disclosed is an improved polycrystalline compact of self-bonded diamond particles having a network of interconnected empty pores dispersed throughout. The improved porous polycrystalline diamond compact possesses enhanced oxidation resis...
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JPH05271839A |
PURPOSE: To produce a diamond sintered compact at a low cost by mixing Ti coated diamond powder with Co based heat resistant alloy powder in a specified ratio and forming a diamond bonded sintered structure by hot pressing at a low temp....
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JPH05239585A |
PURPOSE: To produce a material improved in wear resistance, in a wear resistant material contg. a specified amt. of diamond, by surrounding this diamond by heat resistant metal or the like of specified thickness. CONSTITUTION: A matrix c...
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JPH0563434B2 |
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JPH0563539B2 |
PURPOSE:To produce a composite diamond sintered body having high strength by subjecting a mixture having the specific compsn. consisting of Ti as well as oxide of Al, diamond particles and hexagonal BN to a heating treatment in a nitroge...
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JPH05230585A |
PURPOSE: To enhance the chipping resistance of a cutting tool made of a binding phase infiltrated diamond-based sintered material by using fine diamond crystals as the diamond crystals of a matrix forming the cutting tool. CONSTITUTION: ...
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JPH05201764A |
PURPOSE: To improve the abrasion resistance and the diamond retention rate by preparing a compound consisting of graphite particles and a green body of carbide matrix and sintering the compound to convert the graphite into diamond. CONST...
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JPH05117085A |
PURPOSE: To provide a composite element provide with excellent heat conductivity capable of being manufactured by a simple method. CONSTITUTION: This composite element provided with the improved heat conductivity is composed of a substra...
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JPH0530897B2 |
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JPH0529629B2 |
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JPH0529628B2 |
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JPH05105982A |
PURPOSE: To provide a micro welding electrode capable of forming a long-life cutting tool blade surface reduced in wear to a greater extent and excellent in machinability at the time when the cutting tool blade surface, etc., are coated ...
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JPH05105560A |
PURPOSE: To obtain multigrain abrasive particles of required size in a high pressure/high temperature device without requiring a long cycle time by sintering granules of diamond or the like of which surfaces are coated with active coatin...
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JPH0525935B2 |
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JPH0578778A |
PURPOSE: To obtain a matrix body at low infiltration temp. by filling a hollow mold for molding a matrix body with a powdery matrix material, infiltrating this powdery matrix material with an Mn-containing copper-base alloy with specific...
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JPH0517297B2 |
PURPOSE:To obtain a sintered body having high hardness, superior wear resistance, toughness, heat resistance and superior strength at high temp. by specifying the compositions of binding phases, the volume ratio between the components of...
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JPH052580Y2 |
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JPH052465B2 |
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JPH04371546A |
PURPOSE: To produce a diamond-based sintered body contg. a reduced number of residual pores as structural defects by using a standard HIP device. CONSTITUTION: Many diamond particles are coated with an Ni or Co alloy by electroless plati...
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JPH04300105A |
PURPOSE: To increase wear resistance of an ultra-high pressure-sintered-material cutting tool comprising a diamond hard phase, c-BN hard phase, and Co-system bonding phase. CONSTITUTION: A cutting tool is made of a material sintered at a...
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JPH04300106A |
PURPOSE: To increase anti-wear property of an ultra-high pressure-sintered- material cutting tool comprising a diamond hard phase, c-BN hard phase, and Co-system bonding phase. CONSTITUTION: A cutting tool is made of a material sintered ...
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JPH04259305A |
PURPOSE: To produce a heat sink for electronic apparatus having high thermal conductivity by composing the composite of diamond particles having a particles size of specified value and a reinforcing metal matrix. CONSTITUTION: By volume,...
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JPH0456790B2 |
A composite material is described which includes a mixture of individual diamond crystals and pieces of precemented carbide. The mixture is heated and pressurized to create intercrystalline bonds between the diamond crystals and chemical...
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JPH04231436A |
PURPOSE: To obtain a lightweight material having high strength and high hardness and obtain a material suitable for producing many kinds of products regardless of the dimensions and shapes of the products. CONSTITUTION: A composite mater...
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JPH04116198A |
PURPOSE:To obtain the title film having excellent lubricity and wear resistance without flawing the other side parts by dipping a material to be plated into a plating bath suspending the prescribed particle diameter of polycrystalline di...
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JPH03243735A |
PURPOSE: To manufacture a whisker combined diamond sintered body for cutting tools free from the generation of cracks and chippings by mixing a dispersed mixture of aluminum borate short fibers with hard body powder, diamond powder and a...
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JPH0353373B2 |
The invention provides a flexible, deformable sintered abrasive material made of a bronze alloy with particulate abrasive grain. The alloy consists essentially of 3 to 30 wt. % of Ag, 0 to 1 wt. % of Si, 0.05 to 3 wt. % of Ge, Sn, Pb, Zn...
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JPH0336779B2 |
Disclosed is a process for fabricating a composite polycrystalline diamond or cubic boron nitride (CBN) compact. Briefly, the process is conducted by mating a pre-formed sintered polycrystalline diamond or CBN compact and a plastically d...
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JPH0333674B2 |
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JPH0333675B2 |
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JPH0379275A |
PURPOSE: To improve the cooling effect of the frictional heating of cutting and grinding times, by embedding no diamond abrasive grain in a bonding member and bonding cutting edges in the stage capable of their contact with the atmospher...
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JPH0321601B2 |
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JPH0314794B2 |
The conventional high pressure/high temperature catalyst sweep through process for making diamond and cubic boron nitride compacts is modified by adding an intermediate metal or metal alloy, which has a melting point below that of the ca...
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JPH0312123B2 |
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JPH036209B2 |
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JPH0239467B2 |
Disclosed is an improved process for preparing a composite compact wherein a mass of abrasive crystals, a mass of metal carbide, and a bonding medium are subjected to a high-temperature/high pressure process for providing a composite com...
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JPH02218560A |
PURPOSE: To extend the life of a grinding wheel and increase its grinding speed by dispersing grains of thermally static polycrystalline diamond or cubic boron nitride in a bonding matrix. CONSTITUTION: By fixing about 1-200 μm abrasive...
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JPH0236552B2 |
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JPH0232229B2 |
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JPH02170452A |
PURPOSE: To display an excellent heat radiating function by composing the heat sink to be provided to the semiconductor device by using a heat-conductive compound consisting of diamond particles embedded in a metal matrix and making the ...
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JPH02160429A |
PURPOSE: To stabilize the mechanical and thermal properties by bonding metallic coatings between adjacent particles to form a bonded matrix in a superabrasive cutting element for a tool. CONSTITUTION: A superabrasive cutting element incl...
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JPH0220590B2 |
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JPH0210217B2 |
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JPH0154302B2 |
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JPH01274904A |
PURPOSE: To increase the rigidity of an abrasive compact by bonding abrasive masses to the upper and lower faces of a support mass. CONSTITUTION: A fixed quantity of abrasive grains 36 and a fixed quantity of a support mass 34 are arrang...
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JPH0137444B2 |
A composite of diamond and cemented tungsten carbide is produced by placing pulverized diamond in adjacency with a tungsten carbide/cobalt composition. The two materials are separated by a metallic material positioned therebetween which ...
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JPH0133308B2 |
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JPH0133309B2 |
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JPH0128094B2 |
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