GB1584786A - Permeable refractory bodies - Google Patents

Permeable refractory bodies Download PDF

Info

Publication number
GB1584786A
GB1584786A GB45738/77A GB4573877A GB1584786A GB 1584786 A GB1584786 A GB 1584786A GB 45738/77 A GB45738/77 A GB 45738/77A GB 4573877 A GB4573877 A GB 4573877A GB 1584786 A GB1584786 A GB 1584786A
Authority
GB
United Kingdom
Prior art keywords
silicon oxynitride
grains
silica
silicon
grain
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
GB45738/77A
Other languages
English (en)
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.)
Saint Gobain Abrasives Inc
Original Assignee
Norton Co
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
Priority claimed from US05/740,357 external-priority patent/US4069058A/en
Application filed by Norton Co filed Critical Norton Co
Publication of GB1584786A publication Critical patent/GB1584786A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B21/00Obtaining aluminium
    • C22B21/06Obtaining aluminium refining
    • C22B21/064Obtaining aluminium refining using inert or reactive gases
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D1/00Treatment of fused masses in the ladle or the supply runners before casting
    • B22D1/002Treatment with gases
    • B22D1/005Injection assemblies therefor
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515Shaped 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
    • C04B35/58Shaped 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
    • C04B35/584Shaped 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
    • C04B35/591Shaped 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)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Metallurgy (AREA)
  • Ceramic Products (AREA)
  • Porous Artificial Stone Or Porous Ceramic Products (AREA)
  • Resistance Heating (AREA)
  • Silicon Polymers (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Compositions Of Oxide Ceramics (AREA)
GB45738/77A 1976-11-10 1977-11-03 Permeable refractory bodies Expired GB1584786A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/740,357 US4069058A (en) 1975-07-28 1976-11-10 Porous silicon oxynitride refractory shapes

Publications (1)

Publication Number Publication Date
GB1584786A true GB1584786A (en) 1981-02-18

Family

ID=24976161

Family Applications (1)

Application Number Title Priority Date Filing Date
GB45738/77A Expired GB1584786A (en) 1976-11-10 1977-11-03 Permeable refractory bodies

Country Status (7)

Country Link
JP (1) JPS5360907A (https=)
BE (1) BE860330R (https=)
DE (1) DE2750174A1 (https=)
ES (1) ES463845A2 (https=)
FR (1) FR2370711A2 (https=)
GB (1) GB1584786A (https=)
NO (1) NO773788L (https=)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1478662A (fr) * 1965-04-01 1967-04-28 Norton Co Procédé de production d'oxynitrure de silicium
FR1456005A (fr) * 1965-08-27 1966-05-20 Carborundum Co Fabrication de corps réfractaires
FR1541453A (fr) * 1966-10-19 1968-10-04 Didier Werke Ag Corps réfractaires poreux, notamment pour introduire des gaz ou des vapeurs dans un bain de métal en fusion

Also Published As

Publication number Publication date
DE2750174A1 (de) 1978-05-18
JPS5360907A (en) 1978-05-31
BE860330R (fr) 1978-05-02
FR2370711A2 (fr) 1978-06-09
FR2370711B2 (https=) 1982-04-16
NO773788L (no) 1978-05-11
ES463845A2 (es) 1978-07-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee