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Patent Searching and Data


Matches 601 - 650 out of 842

Document Document Title
JPH08290967A
PURPOSE: To obtain an extremely hard diamond sintered compact used as a material, etc., for cutting tools having high strength and provide a method for readily producing a laminated structural body of the diamond sintered compact with ce...  
JPH08509946A
A method of producing diamond crystals from a metallofullerite matrix independent of external application of pressure is disclosed. The method comprises hyperquenching a portion of a metallic sold comprising a metal carbon matrix of an a...  
JPH08222669A
PURPOSE: To obtain a heat sink excellent in machinability and economy while utilizing a diamond and production method thereof. CONSTITUTION: The diamond sink 1 is formed by mixing a diamond powder 3 comprising high purity diamond particl...  
JP2516590B2
The present invention provides a method for producing a consolidated article composed of a transition metal alloy. The method includes the step of selecting a rapidly solidified alloy which is at least about 50% glassy. The alloy is form...  
JPH08176696A
PURPOSE: To obtain a sintered compact excellent in strength, hardness, wear and shock resistances by directly forming the metal carbide of a diamond-metal carbide sintered compact from metal powder and diamond particles during sintering....  
JPH08176697A
PURPOSE: To obtain a sintered compact excellent in strength, hardness, wear and shock resistances by directly forming a metal carbide forming the cermet of a diamond dispersed cermet composite sintered compact from metal powder and diamo...  
JPH0881271A
PURPOSE: To enable the production at a high-temperature under a high pressure such as those of hot isostatic pressing without using a capsule therein, simplification of a process and formation of a near net shape by coating grains such a...  
JPH0881729A
PURPOSE: To produce a hard pit tip excellent in wear resistance and toughness at a low cost by fusing lumpy polycrystalline bodies of diamond or cubic BN polycrystalline on a substrate with a specified self-fluxing alloy as a binder. CON...  
JPH0849036A
PURPOSE: To impart the characteristics of strength, thoughness, workability, hardness, wear resistance or the like required for a dressing tool by constituting a sintered body of certain compositional ratios of the powder of transition m...  
JPH0847711A
PURPOSE: To obtain an excellent sintered compact for wire drawing die tools which is a sintered compact which consists of the carbide, nitride, boride, etc., of transition metal, iron-group metal and diamond dust by sintering them in the...  
JPH0849037A
PURPOSE: To impart such various characteristics as strength, toughness, workabilty, hardness and wear resistance required by a cutting tool to a sintered compact by using carbide or nitride of a transition metal, an iron family metal and...  
JPH083131B2  
JPH07331376A
PURPOSE: To obtain a non-magnetic or weak-magnetic diamond sintered compact with low magnetic susceptibility by providing a sintered compact which is composed essentially of diamond having specified grain size and in which binding phase ...  
JPH07286229A
PURPOSE: To improve the chipping resistance and wear resistance of a high pressure phase boron nitride sintered body for a tool and to impart a long service life thereto. CONSTITUTION: This high pressure phase boron nitride sintered body...  
JPH0775831B2
A thermally stable diamond compact (10) is bonded to a cemented carbide substrate (12) through a nickel bonding layer (14). Bonding takes place under elevated conditions of temperature and pressure where the temperature is at least 1 000...  
JPH0776135B2
Temperature resistant abrasive polycrystalline diamond bodies are described, intended for use as tools in various mechanical operations like turning, milling, drilling, sawing and drawing, having different additions, i.e. amount and comp...  
JPH07207399A
PURPOSE: To provide the composite material made of polycrystalline diamond and the cemented carbide with reduced adhesion of the resin by constituting the surface layer part of the prescribed thickness containing the diamond of the presc...  
JPH0768570B2  
JPH07188827A
PURPOSE: To manufacture a sintered body excellent in the plasticity, the strength, the workability, etc., by precipitating carbon in the ferrous metal in the sintered body where the carbide or the like of the transition metals in the 4a,...  
JPH07505676A
A metallic solid comprising an metal-carbon matrix of an allotropic metal and metallofullerites of the allotropic metal is disclosed, along with an associated method of forming the solid by interrupting and temporarily holding a metal-ca...  
JPH0730363B2  
JPH0768534A
PURPOSE: To obtain a cutter bit for a material removal tool with long durable period by providing a binder on a metal base, hard material particles and diamond grains acting as a cutting element. CONSTITUTION: A cutter bit comprises 6-15...  
JPH0754075A
PURPOSE: To enable the control of matrix hardness and to obtain an appropriate diamond tool according to purpose by using, as a metal matrix in which diamond is to be embedded, cobalt where boron in a specific amount is uniformly distrib...  
JPH0747571A
PURPOSE: To provide a tablet forming mold for semiconductor resin sealing material having excellent abrasion resistance and mold release property, with which a molded piece of high quality having a processed face with preferable surface ...  
JPH0713279B2
A sintered article is produced by mixing an intermetallic compound (binding phase) composed of at least one member selected from among carbides, nitrides, and borides of the elements of Groups 4a, 5a, and 6a in the Periodic Table of Elem...  
JPH07300B2  
JPH0699188B2  
JPH0699189B2  
JPH0694580B2
A sintered body for high-accuracy working tools is obtained by sintering mixed powder containing at least 45 percent by volume and not more than 60 percent by volume of cubic boron nitride powder of not more than 2 mu m in average partic...  
JPH06322554A
PURPOSE: To provide a low-cost ornamental member having satisfactory strength and workability in practical use and also having original ornamental fine appearance. CONSTITUTION: A sintered diamond layer 3 having 0.5-100μm average partic...  
JPH0692045B2
A polycrystalline diamond and metal element for use as a cutting element for drilling holes or similar uses. The cutting element comprises a polycrystalline diamond center portion and at least one metal side portion. The metal side porti...  
JPH06306525A
PURPOSE: To produce a sintered compact for a tool having excellent toughness, strength, wear resistance or the like by mixing the carbides or the like of transition metals, iron-group metals and fine-grained diamond in specified ratios a...  
JPH06297160A
PURPOSE: To provide an electrode for spot welding possible to improve the number of continuous spotting points. CONSTITUTION: An electrode 1 for spot welding is constituted of a main body part 2 made of OFCu and diamond grains 3 dispersi...  
JPH06278031A
PURPOSE: To provide an abrasive material having coarse outside surfaces and good polishing characteristics by treating the contents of a capsule under increased temperature and pressure for a time enough to create aggregated products of ...  
JPH0674193B2  
JPH06198504A
PURPOSE: To provide a cutting tool for a high hardness sintered body which can keep its tool life longer. CONSTITUTION: The cutting face of a blade edge is constituted of the main surface of the first sintered body layer which contains d...  
JPH06190731A
PURPOSE: To fasten a composite compact composed of a super abrasive material layer and a support base to an abrasive tool main body at a high torque. CONSTITUTION: In an insert for an abrasive tool made of a composite compact of a super ...  
JPH06155174A
PURPOSE: To provide a diamond coating tool whereby a light alloy like Al-Si can be cut at a high speed further with a long life. CONSTITUTION: A connection phase of the surface layer part of a sintered hard alloy base unit, where WC serv...  
JPH0635637B2  
JPH0621312B2
A sintered compact obtained by sintering a mixture containing about 50 to 75 percent by volume of cubic boron nitride and a residue of a binder under cBN-stable superhigh pressure conditions. The binder contains about 20 to 50 percent by...  
JPH0621314B2
A sintered compact obtained by sintering a mixture containing about 50 to 75 percent by volume of cubic boron nitride and a residue of a binder under cBN-stable superhigh pressure conditions. The binder contains about 20 to 50 percent by...  
JPH0621313B2
A sintered compact obtained by sintering a mixture containing about 50 to 75 percent by volume of cubic boron nitride and a residue of a binder under cBN-stable superhigh pressure conditions. The binder contains about 20 to 50 percent by...  
JPH0621315B2
A cBN sintered compact for an end mill obtained by sintering mixed powder prepared by mixing about 35 to 50 percent by volume of cubic boron nitride powder smaller than about 2 µm in average particle size with about 50 to 65 percent by ...  
JPH0656587A
PURPOSE: To provide the diamond coated hard material having excellent adhesive strength, high toughness and high degree of shape freedom and the process for production of this material. CONSTITUTION: This diamond coated hard material is ...  
JPH0625652A
PURPOSE: To obtain an abrasive medium which well preserves its cutting ability, by dispersing a cubic boron nitride grit coated with an anti-oxidizing substance in a metal matrix. CONSTITUTION: This abrasive medium is prepared b dispersi...  
JPH066769B2
A sintered article of diamond is obtained by coating the surface of diamond particles with 30 to 0.1% by volume, based on the total volume of the diamond particles and aids, of at least one member selected from the group consisting of th...  
JPH062001A
PURPOSE: To obtain a formed abrasive material containing many granules and a combined formed material without using a high-temp. and high pressure forming apparatus. CONSTITUTION: The method for producing the formed abrasive material con...  
JPH06669B2
A composite sintered material having a sandwich structure is composed of a hard layer of a sintered diamond compact sandwiched between a pair of substrates and is suitably used as a material for drill.The composite sintered material havi...  
JPH05332076A
PURPOSE: To prolong the service life of the gauge surface of an earth boring drill bit or rotary cutter by using an improved insert containing dispersed diamond crystals formed through the in-situ conversion of graphite into diamond for ...  
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...  

Matches 601 - 650 out of 842