DK0470620T3 - Process for preparing mold bodies of silicon-filtered silicon carbide - Google Patents

Process for preparing mold bodies of silicon-filtered silicon carbide

Info

Publication number
DK0470620T3
DK0470620T3 DK91113342.9T DK91113342T DK0470620T3 DK 0470620 T3 DK0470620 T3 DK 0470620T3 DK 91113342 T DK91113342 T DK 91113342T DK 0470620 T3 DK0470620 T3 DK 0470620T3
Authority
DK
Denmark
Prior art keywords
silicon
silicon carbide
sisic
porous
support
Prior art date
Application number
DK91113342.9T
Other languages
Danish (da)
Inventor
Werner Benker
Juergen Schmidt
Original Assignee
Hoechst Ceram Tec Ag
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
Application filed by Hoechst Ceram Tec Ag filed Critical Hoechst Ceram Tec Ag
Application granted granted Critical
Publication of DK0470620T3 publication Critical patent/DK0470620T3/en

Links

Classifications

    • 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
    • C04B35/573—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 obtained by reaction sintering or recrystallisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Products (AREA)
  • Silicon Polymers (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Peptides Or Proteins (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

In order to siliconise porous mouldings of silicon carbide/carbon, a mixture of silicon carbide powder, organic binder and optionally carbon is moulded to give a green compact, the binder of the green compact is removed in a nonoxidising atmosphere by carbonisation at about 1000 DEG C and the blank obtained is siliconised by the action of molten silicon, the blank obtained resting on a porous SiSiC support whose lower part is in contact with the liquid silicon, and the arrangement of SiSiC support and resulting moulding being cooled after the end of siliconisation. The support used is a dense packing of porous SiSiC rings which are arranged parallel to one another and at right angles on a graphite combustion plate which is charged with silicon and is impermeable to liquid silicon.
DK91113342.9T 1990-08-09 1991-08-08 Process for preparing mold bodies of silicon-filtered silicon carbide DK0470620T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4025238A DE4025238C1 (en) 1990-08-09 1990-08-09

Publications (1)

Publication Number Publication Date
DK0470620T3 true DK0470620T3 (en) 1994-08-08

Family

ID=6411924

Family Applications (1)

Application Number Title Priority Date Filing Date
DK91113342.9T DK0470620T3 (en) 1990-08-09 1991-08-08 Process for preparing mold bodies of silicon-filtered silicon carbide

Country Status (9)

Country Link
EP (1) EP0470620B1 (en)
JP (1) JPH06263570A (en)
AT (1) ATE104261T1 (en)
DE (2) DE4025238C1 (en)
DK (1) DK0470620T3 (en)
ES (1) ES2052308T3 (en)
FI (1) FI913755A (en)
IE (1) IE65999B1 (en)
NO (1) NO913095L (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009140791A1 (en) 2008-05-21 2009-11-26 Dalian Institute Of Chemical Physics, Chinese Academy Of Sciences Process for producing silicon carbide

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1092793A (en) * 1978-07-03 1981-01-06 Wendel G. Brown Method for manufacturing silicone carbide bodies
DE3367764D1 (en) * 1983-07-29 1987-01-08 Hoechst Ceram Tec Ag Method of making silicon-infiltrated reaction-bonded silicom carbide bodies
DE3719606A1 (en) * 1987-06-12 1988-12-22 Hoechst Ceram Tec Ag METHOD FOR SILICOLATING POROUS SHAPED BODIES MADE OF SILICON CARBIDE OR SILICON CARBIDE / CARBON

Also Published As

Publication number Publication date
ES2052308T3 (en) 1994-07-01
IE912807A1 (en) 1992-02-12
FI913755A (en) 1992-02-10
EP0470620A3 (en) 1992-08-05
JPH06263570A (en) 1994-09-20
EP0470620A2 (en) 1992-02-12
DE59101365D1 (en) 1994-05-19
NO913095L (en) 1992-02-10
ATE104261T1 (en) 1994-04-15
DE4025238C1 (en) 1991-12-05
NO913095D0 (en) 1991-08-08
EP0470620B1 (en) 1994-04-13
IE65999B1 (en) 1995-11-29
FI913755A0 (en) 1991-08-07

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