CA1195096A - Sintering process for refractory articles using direct-heated gases - Google Patents

Sintering process for refractory articles using direct-heated gases

Info

Publication number
CA1195096A
CA1195096A CA000409008A CA409008A CA1195096A CA 1195096 A CA1195096 A CA 1195096A CA 000409008 A CA000409008 A CA 000409008A CA 409008 A CA409008 A CA 409008A CA 1195096 A CA1195096 A CA 1195096A
Authority
CA
Canada
Prior art keywords
silicon
green body
oxygen
gas
furnace
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.)
Expired
Application number
CA000409008A
Other languages
English (en)
French (fr)
Inventor
Paul R. Ammann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kennecott Corp
Original Assignee
Kennecott Corp
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 Kennecott Corp filed Critical Kennecott Corp
Application granted granted Critical
Publication of CA1195096A publication Critical patent/CA1195096A/en
Expired legal-status Critical Current

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
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/64—Burning or sintering processes
    • C04B35/65—Reaction sintering of free metal- or free silicon-containing compositions
    • 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
    • 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
    • C04B35/584—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 silicon nitride
    • C04B35/591—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 silicon nitride obtained by reaction sintering

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Ceramic Products (AREA)
CA000409008A 1981-08-10 1982-08-09 Sintering process for refractory articles using direct-heated gases Expired CA1195096A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US29151381A 1981-08-10 1981-08-10
US291,513 1981-08-10

Publications (1)

Publication Number Publication Date
CA1195096A true CA1195096A (en) 1985-10-15

Family

ID=23120601

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000409008A Expired CA1195096A (en) 1981-08-10 1982-08-09 Sintering process for refractory articles using direct-heated gases

Country Status (7)

Country Link
JP (1) JPS5874578A (de)
BR (1) BR8204669A (de)
CA (1) CA1195096A (de)
DE (1) DE3229701A1 (de)
FR (1) FR2510986B1 (de)
GB (1) GB2106142B (de)
MX (1) MX158079A (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4707583A (en) * 1983-09-19 1987-11-17 Kennecott Corporation Plasma heated sintering furnace
US4559312A (en) * 1983-09-19 1985-12-17 Kennecott Corporation Sintering or reaction sintering process for ceramic or refractory materials using plasma arc gases
DE3337025A1 (de) * 1983-10-12 1985-05-02 Feldmühle AG, 4000 Düsseldorf Verfahren zur herstellung eines siliziumnitridbauteils
JPS60166264A (ja) * 1984-02-10 1985-08-29 科学技術庁無機材質研究所長 炭化けい素の焼結法
US4676940A (en) * 1985-04-01 1987-06-30 Kennecott Corporation Plasma arc sintering of silicon carbide
US4698481A (en) * 1985-04-01 1987-10-06 Kennecott Corporation Method for preventing decomposition of silicon carbide articles during high temperature plasma furnace sintering
US4649002A (en) * 1985-04-01 1987-03-10 Kennecott Corporation System for preventing decomposition of silicon carbide articles during sintering
US4666775A (en) * 1985-04-01 1987-05-19 Kennecott Corporation Process for sintering extruded powder shapes
DE3519612A1 (de) * 1985-05-31 1986-12-04 Hutschenreuther Ag, 8672 Selb Einrichtung zum brennen von keramischen formteilen, insbesondere porzellangeschirrteilen
JPS62260773A (ja) * 1986-05-06 1987-11-13 科学技術庁無機材質研究所長 高密度炭化けい素焼結体及びその製造方法
DE3617428A1 (de) * 1986-05-23 1987-11-26 Krupp Gmbh Verfahren und vorrichtung zur herstellung elektrisch leitender feuerfester baustoffe und verwendung dieser baustoffe
BR9901512A (pt) * 1999-05-27 2001-01-09 Lupatech S A Processo de extração por plasma de ligantes

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2618565A (en) * 1948-02-26 1952-11-18 Carborundum Co Manufacture of silicon nitride-bonded articles
US3291623A (en) * 1965-04-29 1966-12-13 Electro Refractories & Abrasiv Refractory body and method of making same
US3926857A (en) * 1971-11-08 1975-12-16 Atomic Energy Authority Uk Electrically conducting material containing silicon carbide in a matrix of silicon nitride
US3980467A (en) * 1973-02-16 1976-09-14 Camacho Salvador L Method of operating a batch type annealing furnace using a plasma heat source
DE2548983C2 (de) * 1975-11-03 1977-12-01 Schneider Gmbh & Co, 5020 Frechen Verfahren und Vorrichtung zur Herstellung eines keramisch gebundenen Baumaterials

Also Published As

Publication number Publication date
GB2106142B (en) 1985-05-22
MX158079A (es) 1989-01-05
DE3229701A1 (de) 1983-03-03
JPS5874578A (ja) 1983-05-06
FR2510986A1 (fr) 1983-02-11
GB2106142A (en) 1983-04-07
BR8204669A (pt) 1983-08-02
FR2510986B1 (fr) 1986-06-27

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