Patent EP0249927A2 successfully refreshed from Google Patents.
EP0249927A2
Expired / Lapsed
EP
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Fibrous material for composite materials, fiber-reinforced composite materials produced therefrom, and processes for producing same
Assignee: Toyota Central R&D Labs Inc
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Filing: 1987-06-15
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Granted: —
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Expires: 2007-06-15
Abstract
Abstract A fiber and fibrous material for producing composite materials, fiber-reinforced metals, fiber-reinforced plastics and fiber-reinforced ceramics, in which short fibers, whiskers or powders made of heat resistant material are deposited on continuous fibers made of heat resistant material. The composite materials, such as fiber-reinforced metals, plastics, and ceramics, contain the fibrous material in a matrix, and have improved control of the fiber volume ratio and mechanical characteristics. Processes for producing the fiber, fibrous materials and composite materials are also disclosed.
Inventors
- 👤 Senichi Yamada
- 👤 Shinichi Eclair Umemorizaka 504 Towata
- 👤 Hajime Nagakute-Ryo 309 Ikuno
- 👤 Takemi C/O Ube Laboratory Corporate Yamamura
- 👤 Toshihiro C/O Ube Laboratory Corporate Ishikawa
- 👤 Masaki C/O Ube Laboratory Corporate Shibuya
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-08 15:48
CPC Classifications
C; C22; C22C; C22C47/00; C22C47/02; C22C47/06; B; B32; B32B; B32B18/00; C04; C04B; C04B35/00; C04B35/01; C04B35/03; C04B35/04; C04B35/053; C04B35/10; C04B35/111; C04B35/117; C04B35/14; C04B35/16; C04B35/18; C04B35/185; C04B35/195; C04B35/515; C04B35/52; C04B35/522; C04B35/56; C04B35/5607; C04B35/5611; C04B35/5622; C04B35/5626; C04B35/563; C04B35/565; C04B35/58; C04B35/58007; C04B35/58014; C04B35/58028; C04B35/581; C04B35/583; C04B35/584; C04B35/593; C04B35/622; C04B35/62227; C04B35/62272; C04B35/62277; C04B35/62281; C04B35/626; C04B35/628; C04B35/62844; C04B35/62857; C04B35/6286; C04B35/62863; C04B35/62892; C04B35/62894; C04B35/63; C04B35/6303; C04B35/64; C04B35/645; C04B35/71; C04B35/78; C04B35/80; C08; C08K; C08K13/00; C08K13/04; C22C47/062; C22C47/068; D; D01; D01F; D01F9/00; D01F9/08; C04B2235/00; C04B2235/02; C04B2235/30; C04B2235/32; C04B2235/3217; C04B2235/3224; C04B2235/3225; C04B2235/3231; C04B2235/3232; C04B2235/3244; C04B2235/38; C04B2235/3817; C04B2235/3826; C04B2235/3852; C04B2235/3865; C04B2235/3873; C04B2235/44; C04B2235/441; C04B2235/48; C04B2235/483; C04B2235/50; C04B2235/52; C04B2235/5208; C04B2235/5216; C04B2235/522; C04B2235/5224; C04B2235/524; C04B2235/5244; C04B2235/5248; C04B2235/526; C04B2235/5264; C04B2235/5276; C04B2235/54; C04B2235/5418; C04B2235/5436; C04B2235/5445; C04B2235/60; C04B2235/616; C04B2235/70; C04B2235/80; C04B2235/96; C04B2237/00; C04B2237/30; C04B2237/32; C04B2237/36; C04B2237/368; C04B2237/38; Y; Y10; Y10S; Y10S428/00; Y10S428/902; Y10T; Y10T428/00; Y10T428/25; Y10T428/29; Y10T428/2913; Y10T428/2918; Y10T428/2982; Y10T428/30; Y10T442/00; Y10T442/30; Y10T442/3049
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
156 words
(1) An inorganic fiber for a composite material comprising: (a) a continuous inorganic fiber comprising a composition of silicon, carbon, oxygen and titanium or zirconium selected from (i) an amorphous material substantially comprising Si, M, C and O; (ii) a composition substantially comprising: at least one crystalline particles mixture selected from (a) β-SiC, MC and a solid solution of β-SiC and MC, (b) β-SiC, MC and MC 1-x , and (c) β-SiC, MC, a solid solution of β-SiC and MC, and MC 1-x , each having a grain size of less than about 500 Å; amorphous SiO₂; and amorphous MO₂; and (iii) a mixture of said amorphous material (i) and said composition (ii) where in M represents Ti or Zr, and x is a number greater than O and small than 1; and (b) at least one of short fibers, whiskers and fine particles each comprising a heat resistant material deposited on said continuous inorganic fibers.
Claim 2
Dependent Claim
163 words
(2) An inorganic fiber-reinforced composite metal material comprising a metal matrix substantially surounding; (a) a contiuous inorganic fibers comprising a composition of silicon, carbon, oxygen and titanium or zirconium selected from (i) an amorphous material substantially comprising Si, M, C and O; (ii) a composition substantially comprising: at least one crystalline particles mixture selected from (a) β-SiC, MC and a solid solution of β-SiC and MC, (b) β-SiC, MC and MC 1-x , and (c) β-SiC, MC a solid solution of β-SiC and MC, and MC 1-x , each having a grain size of less than about 500 Å; amorphous SiO₂; and amorphous MO₂; and (iii) a mixture of said amorphous material (i) and said composition (ii) where in M represents Ti or Zr, and x is a number greater than 0 and smaller than 1; and (b) at least one of short fibers whiskers and fine particles each comprising a heat resistant material present between said continuous inorganic fibers in said matrix.
Claim 3
Dependent Claim
207 words
(3) A process for producing an inorganic fiber-reinforced composite metal material, which comprises the steps of (a) disposing a fibrous material or a woven fabric made of said fibrous material comprising continuous inorganic fibers comprising a composition of silicon, carbon, oxygen and titanium or zirconium selected from (i) an amorphous material substantially comprising Si, M, C and O; (ii) a composition substantially comprising: at least one crystalline particles mixture selected from (a) β-SiC, MC and a solid solution of β-SiC and MC, (b) β-SiC, MC and MC 1-x , and (c) β-SiC, MC, a solid solution of β-SiC and MC, and MC 1-x , each having a grain size of less than about 500Å; amorphous SiO₂; and amorphous MO₂; and (iii) a mixture of said amorphous material (i) and said composition (ii) where in M represents Ti or Zr, and x is a number greater than 0 and smaller than 1; said fibrous material having at least one of short fibers, whiskers and fine particles each comprising a heat resistant material present between said continuous inorganic fibers, into a mold cavity; (b) then pouring a molten matrix metal into said cavity; and (c) then cooling and solidifying the matrix metal to produce said fiber-reinforced composite metal material.
Claim 4
Dependent Claim
166 words
(4) An inorganic fiber-reinforced composite plastic material comprising a plastic matrix substantially surrounding: (a) continuous inorganic fibers comprising a composition of silicon, carbon, oxygen and titanium or zirconium selected from (i) an amorphous material substantially comprising Si, M, C and O; (ii) a composition substantially comprising: at least one crystalline particles mixture selected from (a) β-SiC, MC and a solid solution of β-SiC and MC, (b) β-SiC, MC and MC 1-x , and (c) β-SiC, MC, a solid solution of β-SiC and MC, and MC 1-x , each having a grain size of less than about 500Å; amorphous SiO₂; and amorphous MO₂; and (iii) a mixture of said amorphous material (i) and said composition (ii) where in M represents Ti or Zr, and x is a number greater than 0 and smaller than 1; and (b) at least of short fibers, whiskers and fine particles each comprising a heat resistant material substantially uniformly dispersed at the boundary of said continuous inorganic fibers and said plastic matrix.
Claim 5
Dependent Claim
199 words
(5) A process for producing an inorganic fiber-reinforced composite plastic material which comprises the steps of (a) pouring at least one plastic into a fibrous material or a woven fabric made from said fibrous material comprising continuous inorganic fibers comprising a composition of silicon, carbon, oxygen and titanium or zirconium selected from (i) an amorphous material substantially comprising Si, M, C and O; (ii) a composition substantially comprising: at least one crystalline particles mixture selected from (a) β-SiC, MC and a solid solution of β-SiC and MC, (b) β-SiC, MC and MC 1-x , and (c) β-SiC, MC, a solid solution of β-SiC and MC, and MC 1-x , each having a grain size of less than about 500Å; amorphous SiO₂; and amorphous MO₂; and (iii) a mixture of said amorphous material (i) and said composition (ii) where in M represents Ti or Zr, and x is a number greater than 0 and smaller than 1; said fibrous material or woven fabric having at least one of short fibers, whiskers and fine particles each comprising a heat resistant material present between said continuous inorganic fibers; and (b) then compressing and solidifying the plastic to produce said fiber-reinforced plastic material.
Claim 6
Dependent Claim
161 words
(6) An inorganic fiber-reinforced composite ceramic material comprising a ceramic matrix substantially surrounding: (a) continuous inorganic fibers comprising a composition of silicon, carbon, oxygen and titanium or zirconium selected from (i) an amorphous material substantially comprising Si, M, C and O; (ii) a composition substantially comprising: at least one crystalline particles mixture selected from (a) β-SiC, MC and a solid solution of β-SiC and MC, (b) β-SiC, MC and MC 1-x , and (c) β-SiC, MC, a solid solution of β-SiC and MC, and MC 1-x , each having a grain size of less than about 500Å; amorphous SiO₂; and amorphous MO₂; and (iii) a mixture of said amorphous material (i) and said composition (ii) where in M represents Ti or Zr, and x is a number greater than 0 and smaller than 1; and (b) at least one of short fibers, whiskers and fine particles, each comprising a heat resistant material, present between said continuous inorganic fibers in said matrix.
Claim 7
Dependent Claim
194 words
(7) A process for producing an inorganic fiber-reinforced composite ceramic material which comprises the steps of (a) embedding in a ceramic powder a fibrous material or a woven fabric comprising said fibrous material, comprising (a) continuous inorganic fibers comprising a composition of silicon, carbon, oxygen and titanium or zirconium selected from (i) an amorphous material substantially comprising Si, M, C and O; (ii) a composition substantially comprising: at least one crystalline particles mixture selected from (a) β-SiC, MC and a solid solution of β-SiC and MC, (b) β-SiC, MC and MC 1-x , and (c) β-SiC, MC, a solid solution of β-SiC and MC, and MC 1-x , each having a grain size of less than about 500Å; amorphous SiO₂; and amorphous MO₂; and (iii) a mixture of said amorphous material (i) and said composition (ii) where in M represents Ti or Zr, and x is a number greater than 0 and smaller than 1; and (b) at least one of short fibers, whiskers and fine particles, each comprising a heat resistant material, present between said continuous inorganic fibers; and (b) then sintering the resulting structure to obtain said fiber reinforced composite ceramic material.
Claim 8
Dependent Claim
78 words
(8) A fibrous material for a composite material comprising a bundle of continuous fibers or a woven fabric comprising a plurality of said bundles of continuous fibers, in which fine particles, and at least one of short fibers and whiskers, each comprising at least one heat resistant material selected from a ceramic, carbon and a metal are deposited on the surface of said continuous fibers comprising at least one member selected form a ceramic, carbon and a metal.
Claim 9
Dependent Claim
47 words
(9) The fibrous material for a composite material as claimed in claim 8, wherein said fine particles are mainly deposited on the surface of the continous fibers and said at least one of short fibers and whiskers are mainly deposited on the outside of said fine particles.
Claim 10
Dependent Claim
111 words
(10) A process for producing a fibrous material for a composite material which comprises the step of dipping a bundle of continuous fibers or a woven fabric made of a bundle of said continuous fibers said fibers comprising at least one member selected from the group consisting of a ceramic, carbon and a metal, into a processing liquid containing suspended therein fine particles, and at least one of short fibers and whiskers each comprising at least one heat resistant material selected from a ceramic, carbon and a metal; and depositing said fine particles, and said at least one of short fibers and whiskers on the surfaces of the individual continuous fibers.
Claim 11
Dependent Claim
51 words
(11) The process for producing a fibrous material for a composite material as claimed in claim 10, wherein said fine particles are mainly deposited on the surface of the continuous fibers and said at least one of short fibers and whiskers are mainly deposited on the outside of said fine particles.
Claim 12
Dependent Claim
74 words
(12) An inorganic fiber-reinforced composite metal material comprising a metal matrix substantially surrounding a bundle of continuous fibers or a woven fabrics made therefrom, wherein fine particles, and at least one of short fibers and whiskers, each comprising at least one heat resistant material selected from ceramics, carbon and metals are deposited on the surface of the continuous fibers comprising at least one member selected from the group consisting of ceramics, carbon and metals.
Claim 13
Dependent Claim
46 words
(13) The inorganic fiber-reinforced composite metal material as claimed in claim 12, wherein said fine particles are mainly deposited on the surface of the continuous fibers and said at least one of short fibers and whiskers are mainly deposited on the outside of said fine particles.
Claim 14
Dependent Claim
147 words
(14) A process for producing an inorganic fiber-reinforced composite metal material which comprises the steps of (a) dipping a bundle of continuous fibers or a woven fabric comprising a plurality of said bundles, said continuous fibers comprising at least one member selected from the group consisting of a ceramic, carbon and a metal, into a processing liquid containing fine particles, and at least one of short fibers and whiskers, each comprising at least one heat resistant material selected from a ceramic, carbon and a metal suspended therein, to deposit the fine particles, and at least one of short fibers and whiskers on the surface of the individual continuous fibers; (b) disposing the resulting fibrous material or woven fabric within a molding cavity; (c) pouring a molten matrix metal into said cavity; and (d) then cooling and solidifying the matrix metal to provide said fiber-reinforced composite metal material.
Claim 15
Dependent Claim
50 words
(15) The process for producing an inorganic fiber-reinforced composite metal material as claimed in claim 14, wherein said fine particles are mainly deposited on the surface of the continuous fibers and said at least one of short fibers and whiskers are mainly deposited on the outside of said fine particles.
Claim 16
Dependent Claim
103 words
(16) An inorganic fiber-reinforced composite plastic material comprising: (a) a bundle of continuous fibers or a woven fabric comprising a plurality of said bundles, said continuous fibers comprising at least one member selected from the group consisting of a ceramic, carbon and a metal; (b) fine particles comprising at least one heat resistant material selected from a ceramic, carbon and a metal present on said continuous fibers; (c) at least one of short fibers and whiskers comprising at least one heat resistant material selected from a ceramic, carbon and a metal, substantially uniformly dispersed between said continuous fibers; and (d) a plastic matrix.
Claim 17
Dependent Claim
44 words
(17) The inorganic fiber-reinforced composite plastic material as claimed in claim 16, wherein said fine particles are mainly deposited on the surface of said continuous fibers and said at least one of short fibers and whiskers are mainly deposited outside of said fine particles.
Claim 18
Dependent Claim
134 words
(18) A process for producing an inorganic fiber-reinforced composite plastic material which comprises the steps of (a) dipping a bundle of continuous fibers or a woven fabric comprising a plurality of said bundles, said continuous fibers comprising at least one member selected from the group consisting of a ceramic, carbon and a metal, into a processing liquid containing fine particles, and at least one of short fibers and whiskers, each comprising at least one heat resistant material selected from a ceramic, carbon and a metal suspended therein, to deposit said fine particles, and said at least one of short fibers and whiskers on the surface of the individual continuous fibers; (b) impregnating the resulting fibrous material with plastics; and (c) then solidifying the impregnated fibrous material to provide said inorganic fiber-reinforced composite plastic material.
Claim 19
Dependent Claim
50 words
(19) The process for producing an inorganic fiber-reinforced composite plastic material as claimed in claim 18, wherein said fine particles are mainly deposited on the surface of the continuous fibers and said at least one of short fibers and whiskers are mainly deposited on the outside of said fine particles.
Claim 20
Dependent Claim
103 words
(20) An inorganic fiber-reinforced composite ceramic material comprising: (a) a bundle of continuous fibers or a woven fabric comprising a plurality of said bundles, said continuous fibers comprising at least one member selected from the group consisting of a ceramic, carbon and a metal; (b) fine particles comprising at least one heat resistant material selected from a ceramic, carbon and a metal present on said continuous fibers; (c) at least one of short fibers and whiskers comprising at least one heat resistant material selected from a ceramic, carbon and a metal, substantially uniformly dispersed between said continuous fibers; and (d) a ceramic matrix.
Claim 21
Dependent Claim
44 words
(21) The inorganic fiber-reinforced composite plastic material as claimed in claim 20, wherein said fine particles are mainly deposited on the surface of said continuous fibers and said at least one of short fibers, and whiskers are mainly deposited outside of said fine particles.
Claim 22
Dependent Claim
135 words
(22) A process for producing an inorganic fiber-reinforced composite ceramic material which comprises the steps of (a) dipping a bundle of continuous fibers or a woven fabric comprising a plurality of said bundles, said continuous fibers comprising at least one member selected from the group consisting of a ceramic, carbon and a metal, into a processing liquid contianing fine particles, and at least one of short fibers and whiskers, each comprising at least one heat resistant material selected from a ceramic, carbon and a metal suspended therein, to deposit said fine particles, and said at least one of short fibers and whiskers on the surface of the individual continuous fibers; (b) impregnating the resulting fibrous material into a ceramic powder; and (c) then sintering the resulting structure to provide said inorganic fiber-reinforced composite ceramic material.
Claim 23
Dependent Claim
25 words
(23) The process for producing an inorganic fiber-reinforced composite ceramic material as claimed in claim 22, wherein ultrasonic sound is applied to the processing liquid.
Claim 24
Dependent Claim
42 words
(24) An inorganic fiber for a composite material comprising: a continuous inorganic fiber comprising silicon carbide type fiber; and fine particles and at least one of short fibers and whiskers each comprising a heat resistant material deposited on said continuous inorganic fibers.
Claim 25
Dependent Claim
41 words
(25) An inorganic fiber for a composite material comprising: a continuous inorganic fiber comprising silicon carbide type fiber; and at least one of short fibers, whiskers and fine particles each comprising a heat resistant material deposited on said continuous inorganic fibers.
References Cited (Backward Citations)
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