-
公开(公告)号：JP2000007452A
公开(公告)日：2000-01-11
申请号：JP17844598
申请日：1998-06-25
Applicant: UBE INDUSTRIES
Inventor： ISHIKAWA TOSHIHIRO , NAKAGAWA SHIGETO , KAMITOKU YASUHIKO
IPC: C04B35/653 , C04B35/80 , D01F9/10
Abstract: PROBLEM TO BE SOLVED: To obtain a fiber reinforced ceramic composite material having high mechanical strength over the wide temp. range from room temp. to a high temp. and good creep resistance, provided with cracking resistance and suitable for use as a high temp. structural material. SOLUTION: A ceramic composite material as a matrix is reinforced with crystalline silicon carbide fibers having >=2.7 g/cm3 density, >=2 GPa strength, >=250 GPa elastic modulus, a sintered structure of SiC and good alkali resistance. The ceramic composite material is a solidified body comprising two or more oxides selected from the group consisting of metal oxides and multiple oxides formed from two or more metal oxides with the exception of a solidified body comprising α-Al2O3 and Y3Al5O12 as constituent phases.
-
公开(公告)号：JP2547112B2
公开(公告)日：1996-10-23
申请号：JP2827190
申请日：1990-02-09
Applicant: UBE INDUSTRIES
Inventor： YAMAMURA TAKETAMI , KUGIMOTO JUNICHI , ISHIKAWA TOSHIHIRO , SHIOJI YASUHIRO , SHIBUYA MASAKI
IPC: C04B35/565 , C04B35/52 , C04B35/56 , C04B35/80 , C04B35/83
-
公开(公告)号：JP2547109B2
公开(公告)日：1996-10-23
申请号：JP1808890
申请日：1990-01-30
Applicant: UBE INDUSTRIES
Inventor： YAMAMURA TAKETAMI , KUGIMOTO JUNICHI , ISHIKAWA TOSHIHIRO , SHIOJI YASUHIRO , SHIBUYA MASAKI
-
公开(公告)号：JPH0471359B2
公开(公告)日：1992-11-13
申请号：JP22023487
申请日：1987-09-04
Applicant: UBE INDUSTRIES
Inventor： YAMAMURA TAKETAMI , ISHIKAWA TOSHIHIRO , SHIBUYA MASAKI
-
公开(公告)号：JPH03232770A
公开(公告)日：1991-10-16
申请号：JP2827490
申请日：1990-02-09
Applicant: UBE INDUSTRIES
Inventor： YAMAMURA TAKETAMI , KUGIMOTO JUNICHI , ISHIKAWA TOSHIHIRO , SHIOJI YASUHIRO , SHIBUYA MASAKI
Abstract: PURPOSE:To provide a brake having excellent strength, toughness, wear resistance, oxidation resistance, etc., by using a carbonaceous composite material consisting of inorganic fibers obtained from specific polycyclic aromatic polymers as reinforcing materials and an inorganic substance having the same composition as that of the fiber as matrix. CONSTITUTION:One or more selected from (A) an inorganic fiber which is obtained from a silicon-containing polycyclic aromatic polymer and comprise a carbonaceous material showing a crystal arranged state of radial structure, etc., derived from a polycyclic aromatic compound, crystalline carbon in a non-orientated state and a Si-C-O substance and (B) an inorganic fiber which is obtained from a metal-containing polycyclic aromatic polymer and comprise a carbonaceous material in a crystal arranged state, crystalline carbon in a non-orientated state and a Si-M-C-O substance (M is Ti, Zr or Hf) are prepared. The fibers are used as a reinforcing material and a carbonaceous inorganic substance having the same composition as that of the component A or the component B is utilized as matrix to give the title carbonaceous composite material. Then the composite material is used to produce a brake.
-
Patent Agency Ranking
公开(公告)号：JPH03232769A
公开(公告)日：1991-10-16
申请号：JP2827290
申请日：1990-02-09
Applicant: UBE INDUSTRIES
Inventor： YAMAMURA TAKETAMI , KUGIMOTO JUNICHI , ISHIKAWA TOSHIHIRO , SHIOJI YASUHIRO , SHIBUYA MASAKI
Abstract: PURPOSE:To obtain the title composite material having excellent strength, elasticity and toughness by using hybrid fibers containing inorganic fibers obtained from specific polycyclic aromatic polymers as reinforcing materials and constituting matrix from a specific inorganic substance. CONSTITUTION:(A) An inorganic fiber which is obtained from a silicon- containing polycyclic aromatic polymer and comprise a carbonaceous material in a crystal arranged state, crystalline carbon in a non-orientated state and a Si-C-O substance, (B) an inorganic fiber which is obtained from a metal- containing polycyclic aromatic polymer and comprise a carbonaceous material in a crystal arranged state, crystalline carbon in a non-orientated state and a Si-M-C-O substance (M is Ti, Zr or Hf) and (C) carbon fiber, glass fiber, boron fiber, etc., are prepared. Hybrid fibers containing at least one of the component A and the component B and comprising at least two selected from the component A, the component B and the component C are produced. Then the hybrid fibers are used as a reinforcing material and a carbonaceous inorganic substance having the same composition as that of the component B is utilized as matrix to give the title carbonaceous composite material.
-
公开(公告)号：JPH03232768A
公开(公告)日：1991-10-16
申请号：JP2827090
申请日：1990-02-09
Applicant: UBE INDUSTRIES
Inventor： YAMAMURA TAKETAMI , KUGIMOTO JUNICHI , ISHIKAWA TOSHIHIRO , SHIOJI YASUHIRO , SHIBUYA MASAKI
IPC: C04B35/565 , C04B35/52 , C04B35/56 , C04B35/80 , C04B35/83
Abstract: PURPOSE:To obtain the title composite material having excellent heat resistance and oxidation resistance by using an inorganic fiber obtained from a metal- containing polycyclic aromatic polymer, comprising the fiber in matrix having the same composition as the fiber and increasing silicon content with far from the surface of the fiber. CONSTITUTION:An inorganic fiber which is obtained from a metal-containing polycyclic aromatic polymer, comprise constituent components consisting of a carbonaceous material in a crystal arranged state of radial structure derived from a polycyclic aromatic compound, crystalline carbon and (or) amorphous carbon in a non-orientated state and a Si-M-C-O substance (M is Ti, Zr or Hf) is prepared. On the other hand, an inorganic substance which is obtained from a metal-containing polycyclic aromatic polymer and comprises the same constituent components as that of the inorganic fiber is prepared. The inorganic substance is used as matrix, the inorganic fiber is utilized as a reinforcing material and the matrix texture is controlled to have gradient texture of increasing silicon content with separation from the surface of the inorganic fiber to produce a heat-resistant fiber reinforced inorganic composite material.
-
公开(公告)号：JPH03109264A
公开(公告)日：1991-05-09
申请号：JP24498089
申请日：1989-09-22
Applicant: UBE INDUSTRIES
Inventor： YAMAMURA TAKETAMI , KUGIMOTO JUNICHI , ISHIKAWA TOSHIHIRO , SHIOJI YASUHIRO , SHIBUYA MASAKI
Abstract: PURPOSE:To provide the above composite material which is excellent in strength, elasticity, toughness, etc., by using the specific high-strength and high- modulus inorg. fibers obtd. from a metal-contg. polycyclic arom. polymer as a reinforcing material and a specific carbonaceous inorg. material as a matrix. CONSTITUTION:The fiber reinforced carbonaceous composite material is produced by using the inorg. fibers obtd. from the metal-contg. polycyclic arom. polymer as the reinforcing material and the carbonaceous inorg. material obtd. from the metal-contg. polycyclic arom. polymer as the matrix. The constituting components of the inorg. fibers are the crystalline carbon derived from a polycyclic arom. compd. of a mesophase state constituting the polymer, the carbon in a non-oriented state derived from an optically isotropic polycyclic arom. compd. contg. the components insoluble in org. solvents constituting the polymer, and amorphous materials, etc., contg. Si, Ti, C, O, etc. The constituting components of the inorg. material are the crystalline carbon derived from the polycyclic arom. compd. constituting the polymer, amorphous carbon, and amorphous materials, etc., contg. Si, metals (e.g. Ti), C, and O.
-
公开(公告)号：JPH03104926A
公开(公告)日：1991-05-01
申请号：JP20664089
申请日：1989-08-11
Applicant: UBE INDUSTRIES
Inventor： YAMAMURA TAKETAMI , KUGIMOTO JUNICHI , ISHIKAWA TOSHIHIRO , SHIOJI YASUHIRO , SHIBUYA MASAKI
Abstract: PURPOSE:To prepare the subject fiber having excellent mechanical properties, oxidation resistance, etc., by spinning a silicon-containing polycyclic aromatic polymer composed of a specific carbonaceous material, crystalline carbon, etc., and a Si-C-O substance. CONSTITUTION:(A) 100 pts.wt. of one kind or more of crystal-oriented state carbonaceous materials selected from the group of radial structure, onion structure, random structure, etc., derived from polycyclic aromatic compounds of mesophase state, (B) 100 pts.wt. of crystalline or amorphous carbon of non- oriented state derived from optically isotropically polycyclic aromatic compounds containing organic solvent insolubles and (C) 0.015-200 pts.wt. of a Si-C-O substance of aggregates comprising an amorphous phase comprising Si, C and O, crystalline ultrafine particles having particle sizes of
-
公开(公告)号：JPH0317237A
公开(公告)日：1991-01-25
申请号：JP24497989
申请日：1989-09-22
Applicant: UBE INDUSTRIES
Inventor： YAMAMURA TAKETAMI , KUGIMOTO JUNICHI , ISHIKAWA TOSHIHIRO , SHIOJI YASUHIRO , SHIBUYA MASAKI
Abstract: PURPOSE:To obtain the metal-matrix composite having excellent mechanical strength by regulating an inorganic fiber constituted of a carbonaceous material prepd. under specified conditions and showing a crystal arraying state, crystalline carbon in a nonoriented state and an amorphous phase having specified compsn. as a reinforcing material. CONSTITUTION:The high strength high elastic modulus inorganic fiber is composed of a carbonaceous material showing a crystal oriented state such as a radial structure or an anionic structure introduced from a polycyclic aromatic compound in a mesophase state constructing a polymer, crystalline carbon and/or amorphous carbon in a nonoriented state introduced from a polycyclic aromatic compound of optical isotropy including the unmolten part of an organic solvent constructing a polymer, and Si-C-O in which the proportion of the constitutional elements is regulated to, by weight, 30 to 70% Si, 20 to 60% C and 0.5 to 10% O is formed from an aggregate constituted of amorphous ultra-fine grains substantially constituted of Si, C and O and/or crystalline ultra-fine grains substantially constituted of beta-SiC having
-
-
-
-
-
-
-
-
-
Search Results
143
records
(took 0.026 seconds)
