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HK1002001A1 - Dense, self-sintered silicon carbide/carbon-graphite composite and process for producing same - Google Patents

Dense, self-sintered silicon carbide/carbon-graphite composite and process for producing same Download PDF

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Publication number
HK1002001A1
HK1002001A1 HK98100958A HK98100958A HK1002001A1 HK 1002001 A1 HK1002001 A1 HK 1002001A1 HK 98100958 A HK98100958 A HK 98100958A HK 98100958 A HK98100958 A HK 98100958A HK 1002001 A1 HK1002001 A1 HK 1002001A1
Authority
HK
Hong Kong
Prior art keywords
graphite
carbon
percent
silicon carbide
composite material
Prior art date
Application number
HK98100958A
Other languages
English (en)
French (fr)
Chinese (zh)
Other versions
HK1002001C (en
HK1002001B (en
Inventor
E. Chen Xin
E. Pfaff Mark
Original Assignee
The Morgan Crucible Company Plc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=21784251&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK1002001(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by The Morgan Crucible Company Plc filed Critical The Morgan Crucible Company Plc
Publication of HK1002001A1 publication Critical patent/HK1002001A1/en
Publication of HK1002001C publication Critical patent/HK1002001C/en
Publication of HK1002001B publication Critical patent/HK1002001B/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/0003—Linings or walls
    • F27D1/0006—Linings or walls formed from bricks or layers with a particular composition or specific characteristics
    • 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
    • C04B35/52—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 carbon, e.g. graphite
    • C04B35/528—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 carbon, e.g. graphite obtained from carbonaceous particles with or without other non-organic components
    • C04B35/532—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 carbon, e.g. graphite obtained from carbonaceous particles with or without other non-organic components containing a carbonisable binder
    • 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
    • C04B35/56—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 carbides or oxycarbides
    • C04B35/565—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 carbides or oxycarbides based on silicon carbide
    • 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
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
    • 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
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
    • C04B38/063—Preparing or treating the raw materials individually or as batches
    • C04B38/0635—Compounding ingredients
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
    • C04B41/5001—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with carbon or carbonisable materials

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Ceramic Products (AREA)
  • Carbon And Carbon Compounds (AREA)

Claims (15)

  1. Dichtes, selbstgesintertes Siliciumcarbid/Kohlenstoff-Graphitkomposit-Material, aufweisend:
    (a) Siliciumcarbid,
    (b) zwischen 2 und 30 Prozent Kohlenstoff-Graphit am Gesamtmaterialgewicht, und
    (c) zwischen 0,1 und 15 Prozent Sinterhilfsmittel am Gesamtmaterialgewicht, wobei das Siliciumcarbid eine mittlere Korngröße zwischen 2 und 15 µm aufweist und das Graphit eine mittlere Korngröße zwischen 10 und 75 µm aufweist, wobei die mittlere Korngröße des Graphits größer ist als die mittlere Korngröße des Siliciumcarbids, wobei das Komposit-Material eine Dichte von mindestens 80 Prozent theoretisch aufweist, wie nach der Regel für Mischungen eines Komposit-Materials bestimmt ist.
  2. Komposit-Material nach Anspruch 1, welches zwischen 10 und 20 Prozent Kohlenstoffgraphit am Gesamtmaterialgewicht aufweist.
  3. Komposit-Material nach Anspruch 2, wobei das Komposit-Material eine theoretische Dichte von mindestens 90% aufweist.
  4. Komposit-Material nach Anspruch 1, wobei das Kohlenstoffgraphit eine mittlere Korngröße zwischen 20 und 30 µm aufweist.
  5. Komposit-Material nach Anspruch 1, wobei das Sinterhilfsmittel Bor, Aluminium, Beryllium oder Verbindungen oder Mischungen davon aufweist.
  6. Komposit-Material nach Anspruch 1, wobei das Sinterhilfsmittel Borcarbid aufweist.
  7. Komposit-Material nach Anspruch 1, wobei das Sinterhilfsmittel freien Kohlenstoff aufweist.
  8. Komposit-Material nach Anspruch 1, wobei das Kohlenstoffgraphit mit einem Kohlenstoffrückstand überzogenes Graphit aufweist.
  9. Komposit-Material nach Anspruch 1, wobei das Kohlenstoffgraphit mit einem Kohlenstoffrückstand überzogenes Graphit aufweist, welcher durch Erhitzen des mit einen auf einer Kohlenstoff-Vorstufe basierenden Bindemittel gemischten Graphits auf eine Temperatur, welche ausreichend ist, um das Bindemittel zu carbonisieren, hergestellt ist.
  10. Komposit-Material nach Anspruch 1, wobei die mittlere Korngröße des Kohlenstoffgraphits mindestens doppelt so groß ist wie die mittlere Korngröße des Siliciumcarbids.
  11. Komposit-Material nach Anspruch 1, wobei das Siliciumcarbid α-Siliciumcarbid, β-Siliciumcarbid oder eine Mischung davon aufweist.
  12. Rohmasse zum Herstellen eines dichten, selbstgesinterten Siliciumcarbid/Kohlenstoff-Graphitkomposit-Materials nach Anspruch 1, aufweisend:
    (a) Kohlenstoff-gebundenes Graphit von zwischen 2 und 30 Gewichtsprozent der Rohmasse, wobei das Kohlenstoff-gebundene Graphit mindestens 5 Gewichtsprozent von einem auf einer Kohlenstoff-Vorstufe basierenden Bindemittel aufweist, wobei der Restbestandteil Graphit ist, welches durch das auf einer Kohlenstoff-Vorstufe basierende Bindemittel gebunden ist;
    (b) ein Bindemittel von mindestens zwischen 1 und 10 Gewichtsprozent der Rohmasse;
    (c) Sinterhilfsmittel von zwischen 0,1 und 30 Prozent der Rohmasse; und
    (d) ein Schmiermittel von zwischen 1 und 5 Gewichtsprozent der Rohmasse, wobei
    (e) der Restbestandteil der Rohmasse Siliciumcarbid ist.
  13. Rohmasse nach Anspruch 12, wobei das auf einer Kohlenstoff-Vorstufe basierende Harz ein Phenolharz, ein Furfurylalkoholharz, ein Polyesterharz, Teerpech oder Mischungen davon aufweist.
  14. Rohmasse nach Anspruch 12, wobei das Kohlenstoff-gebundene Graphit zwischen 20 und 30 Gewichtsprozent auf einer Kohlenstoff-Vorstufe basierendes Harz aufweist und zwischen 70 und 80 Gewichtsprozent Graphit.
  15. Rohmasse nach Anspruch 12, wobei das Kohlenstoff-gebundene Graphit eine Teilchengröße von weniger als 75 µm hat.
HK98100958.3A 1993-02-10 1994-02-04 Dense, self-sintered silicon carbide/carbon-graphite composite and process for producing same HK1002001B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/017,735 US5422322A (en) 1993-02-10 1993-02-10 Dense, self-sintered silicon carbide/carbon-graphite composite and process for producing same
US017735 1993-02-10
PCT/US1994/001273 WO1994018141A1 (en) 1993-02-10 1994-02-04 Dense, self-sintered silicon carbide/carbon-graphite composite and process for producing same

Publications (3)

Publication Number Publication Date
HK1002001A1 true HK1002001A1 (en) 1998-07-24
HK1002001C HK1002001C (en) 2000-04-28
HK1002001B HK1002001B (en) 2000-04-28

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Also Published As

Publication number Publication date
ATE184585T1 (de) 1999-10-15
ATE324359T1 (de) 2006-05-15
EP0746532B1 (de) 1999-09-15
DE69420741D1 (de) 1999-10-21
EP0746532B2 (de) 2007-05-30
DK0906896T3 (da) 2006-08-28
EP0746532A4 (de) 1997-08-13
EP0906896B9 (de) 2007-03-14
US5656563A (en) 1997-08-12
JPH08506563A (ja) 1996-07-16
EP0906896A1 (de) 1999-04-07
US5422322A (en) 1995-06-06
DE69434716T2 (de) 2007-06-14
EP0906896B1 (de) 2006-04-26
EP0906896B2 (de) 2013-10-16
EP0746532A1 (de) 1996-12-11
WO1994018141A1 (en) 1994-08-18
DE69420741T3 (de) 2008-01-24
JP3755150B2 (ja) 2006-03-15
DE69434716D1 (de) 2006-06-01
US5976429A (en) 1999-11-02
DE69420741T2 (de) 2000-05-31

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PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20130204