GB2014972A - Boron nitride fibres - Google Patents
Boron nitride fibresInfo
- Publication number
- GB2014972A GB2014972A GB7909581A GB7909581A GB2014972A GB 2014972 A GB2014972 A GB 2014972A GB 7909581 A GB7909581 A GB 7909581A GB 7909581 A GB7909581 A GB 7909581A GB 2014972 A GB2014972 A GB 2014972A
- Authority
- GB
- United Kingdom
- Prior art keywords
- fibre
- boron nitride
- carbon
- coating
- mass
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/01—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes on temporary substrates, e.g. substrates subsequently removed by etching
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
- C04B35/583—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on boron nitride
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/62227—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining fibres
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/71—Ceramic products containing macroscopic reinforcing agents
- C04B35/78—Ceramic products containing macroscopic reinforcing agents containing non-metallic materials
- C04B35/80—Fibres, filaments, whiskers, platelets, or the like
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Ceramic Products (AREA)
- Inorganic Fibers (AREA)
Abstract
Boron nitride fibre material is produced by depositing a coating of boron nitride (BN) on carbon fibre and subsequently heating the thus-coated fibre in a gas, eg air, which reacts with carbon to drive off the carbon as a gaseous product and leave substantially hollow boron nitride fibre constituted by the coating. The BN may be deposited by reacting boron trifluoride with ammonia at elevated temperature. The carbon fibre may be a porous mass, such as a felt or fabric, and the resulting BN fibre mass may be impregnated by further deposition of BN to produce a dense, solid, BN-BN composite material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7909581A GB2014972B (en) | 1977-12-29 | 1979-03-19 | Boron nitride fibre |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5419377 | 1977-12-29 | ||
GB7909581A GB2014972B (en) | 1977-12-29 | 1979-03-19 | Boron nitride fibre |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2014972A true GB2014972A (en) | 1979-09-05 |
GB2014972B GB2014972B (en) | 1982-04-28 |
Family
ID=26267428
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7909581A Expired GB2014972B (en) | 1977-12-29 | 1979-03-19 | Boron nitride fibre |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2014972B (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0076731A2 (en) * | 1981-09-28 | 1983-04-13 | Union Carbide Corporation | Porous free standing pyrolytic boron nitride articles and method for preparing the same |
GB2236540A (en) * | 1989-07-07 | 1991-04-10 | United Technologies Corp | Boron nitride coated fibres |
DE4108367C1 (en) * | 1991-03-15 | 1992-08-13 | Elektroschmelzwerk Kempten Gmbh, 8000 Muenchen, De | |
EP1329436A2 (en) * | 2002-01-22 | 2003-07-23 | EADS Launch Vehicles | Method of production of boron nitride fibers starting from borylborazines |
EP1329437A2 (en) * | 2002-01-22 | 2003-07-23 | EADS Launch Vehicles | Method of production of boron nitride fibers and the obtained fibers |
-
1979
- 1979-03-19 GB GB7909581A patent/GB2014972B/en not_active Expired
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0076731A2 (en) * | 1981-09-28 | 1983-04-13 | Union Carbide Corporation | Porous free standing pyrolytic boron nitride articles and method for preparing the same |
US4402925A (en) * | 1981-09-28 | 1983-09-06 | Union Carbide Corporation | Porous free standing pyrolytic boron nitride articles |
EP0076731A3 (en) * | 1981-09-28 | 1984-01-18 | Union Carbide Corporation | Porous free standing pyrolytic boron nitride articles and method for preparing the same |
GB2236540A (en) * | 1989-07-07 | 1991-04-10 | United Technologies Corp | Boron nitride coated fibres |
DE4108367C1 (en) * | 1991-03-15 | 1992-08-13 | Elektroschmelzwerk Kempten Gmbh, 8000 Muenchen, De | |
EP1329436A2 (en) * | 2002-01-22 | 2003-07-23 | EADS Launch Vehicles | Method of production of boron nitride fibers starting from borylborazines |
EP1329437A2 (en) * | 2002-01-22 | 2003-07-23 | EADS Launch Vehicles | Method of production of boron nitride fibers and the obtained fibers |
FR2834983A1 (en) * | 2002-01-22 | 2003-07-25 | Eads Launch Vehicules | PROCESS FOR MANUFACTURING BORON NITRIDE FIBERS FROM BORYLBORAZINES |
FR2834982A1 (en) * | 2002-01-22 | 2003-07-25 | Eads Launch Vehicules | PROCESS FOR PRODUCING BORON NITRIDE FIBERS AND FIBERS OBTAINED |
EP1329437A3 (en) * | 2002-01-22 | 2005-09-28 | EADS SPACE Transportation SA | Method of production of boron nitride fibers and the obtained fibers |
EP1329436A3 (en) * | 2002-01-22 | 2005-09-28 | EADS SPACE Transportation SA | Method of production of boron nitride fibers starting from borylborazines |
US6967179B2 (en) | 2002-01-22 | 2005-11-22 | Eads Launch Vehicles | Process for manufacturing boron nitride fibers from borylborazines |
Also Published As
Publication number | Publication date |
---|---|
GB2014972B (en) | 1982-04-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |