GB1562089A - Process for the production of silicon nitride mouldings - Google Patents

Process for the production of silicon nitride mouldings Download PDF

Info

Publication number
GB1562089A
GB1562089A GB3395976A GB3395976A GB1562089A GB 1562089 A GB1562089 A GB 1562089A GB 3395976 A GB3395976 A GB 3395976A GB 3395976 A GB3395976 A GB 3395976A GB 1562089 A GB1562089 A GB 1562089A
Authority
GB
United Kingdom
Prior art keywords
hot
silicon nitride
pressing
hot pressing
mould
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
GB3395976A
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 IndustrieKeramik Roedental GmbH
Original Assignee
Annawerk Keramische Betriebe GmbH
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 Annawerk Keramische Betriebe GmbH filed Critical Annawerk Keramische Betriebe GmbH
Publication of GB1562089A publication Critical patent/GB1562089A/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)
  • Turbine Rotor Nozzle Sealing (AREA)
GB3395976A 1975-08-18 1976-08-16 Process for the production of silicon nitride mouldings Expired GB1562089A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752536676 DE2536676C3 (de) 1975-08-18 1975-08-18 Verfahren zur Herstellung von Siliziumnitrid-Formkörpern mit einem Dichtegradienten innerhalb des Formkörpers

Publications (1)

Publication Number Publication Date
GB1562089A true GB1562089A (en) 1980-03-05

Family

ID=5954212

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3395976A Expired GB1562089A (en) 1975-08-18 1976-08-16 Process for the production of silicon nitride mouldings

Country Status (4)

Country Link
DE (1) DE2536676C3 (enrdf_load_stackoverflow)
FR (1) FR2321458A1 (enrdf_load_stackoverflow)
GB (1) GB1562089A (enrdf_load_stackoverflow)
IT (1) IT1070228B (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2812019C2 (de) * 1978-03-18 1982-06-03 Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe Vorrichtung zum Herstellen eines Vorformlings aus Siliziumnitrid

Also Published As

Publication number Publication date
IT1070228B (it) 1985-03-29
FR2321458B1 (enrdf_load_stackoverflow) 1980-06-13
DE2536676A1 (de) 1977-02-24
FR2321458A1 (fr) 1977-03-18
DE2536676C3 (de) 1979-10-25
DE2536676B2 (de) 1978-08-10

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee