GB1408087A - High density silicon nitride - Google Patents

High density silicon nitride

Info

Publication number
GB1408087A
GB1408087A GB293673A GB293673A GB1408087A GB 1408087 A GB1408087 A GB 1408087A GB 293673 A GB293673 A GB 293673A GB 293673 A GB293673 A GB 293673A GB 1408087 A GB1408087 A GB 1408087A
Authority
GB
United Kingdom
Prior art keywords
silicon nitride
magnesium
mgo
calcium
iron
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
GB293673A
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
Application filed by Norton Co filed Critical Norton Co
Publication of GB1408087A publication Critical patent/GB1408087A/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
    • C04B35/515—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
    • C04B35/593—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 pressure sintering

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Products (AREA)
GB293673A 1972-01-20 1973-01-19 High density silicon nitride Expired GB1408087A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21936972A 1972-01-20 1972-01-20

Publications (1)

Publication Number Publication Date
GB1408087A true GB1408087A (en) 1975-10-01

Family

ID=22819001

Family Applications (1)

Application Number Title Priority Date Filing Date
GB293673A Expired GB1408087A (en) 1972-01-20 1973-01-19 High density silicon nitride

Country Status (12)

Country Link
AT (1) AT344584B (fr)
AU (1) AU472268B2 (fr)
BE (1) BE794185A (fr)
BR (1) BR7300462D0 (fr)
CA (1) CA992294A (fr)
CH (1) CH562757A5 (fr)
DE (1) DE2302438C2 (fr)
FR (1) FR2186448B1 (fr)
GB (1) GB1408087A (fr)
IT (1) IT977641B (fr)
NL (1) NL7300673A (fr)
SE (1) SE393977B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1036185A (fr) * 1973-12-29 1978-08-08 Roland J. Lumby Methode pour le formage d'un produit ceramique fritte
US4542109A (en) * 1983-08-09 1985-09-17 Gte Laboratories Incorporated Silicon nitride-cordierite ceramic article, and process of manufacture thereof
DE3423573A1 (de) * 1984-06-27 1986-01-09 Elektroschmelzwerk Kempten GmbH, 8000 München Polykristalline sinterkoerper auf basis von siliciumnitrid und sinteradditiven
DE3839701C3 (de) * 1987-11-26 1994-08-04 Ngk Insulators Ltd Verfahren zur Herstellung eines homogenen Siliciumnitrid-Sinterkörpers
DE3844881C2 (de) * 1987-11-26 1999-01-07 Ngk Insulators Ltd Homogener Siliciumnitrid-Sinterkörper
DE4025239C1 (fr) * 1990-08-09 1991-12-19 Hoechst Ceramtec Ag, 8672 Selb, De
DE4038003C2 (de) * 1990-11-29 1997-01-02 Bayer Ag Verfahren zur Herstellung von Sinterwerkstoffen auf Si¶3¶N¶4¶-Basis

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1092637A (en) * 1967-11-27 1967-11-29 Lucas Industries Ltd Silicon nitride products

Also Published As

Publication number Publication date
CA992294A (en) 1976-07-06
BR7300462D0 (pt) 1973-10-11
FR2186448B1 (fr) 1977-04-22
AU5101873A (en) 1974-07-11
DE2302438A1 (de) 1973-07-26
SE393977B (sv) 1977-05-31
ATA44273A (de) 1977-11-15
FR2186448A1 (fr) 1974-01-11
AU472268B2 (en) 1976-05-20
DE2302438C2 (de) 1984-08-09
AT344584B (de) 1978-07-25
BE794185A (fr) 1973-07-18
NL7300673A (fr) 1973-07-24
CH562757A5 (fr) 1975-06-13
IT977641B (it) 1974-09-20

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years

Effective date: 19930117