FR2321458B1 - - Google Patents

Info

Publication number
FR2321458B1
FR2321458B1 FR7624923A FR7624923A FR2321458B1 FR 2321458 B1 FR2321458 B1 FR 2321458B1 FR 7624923 A FR7624923 A FR 7624923A FR 7624923 A FR7624923 A FR 7624923A FR 2321458 B1 FR2321458 B1 FR 2321458B1
Authority
FR
France
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
FR7624923A
Other languages
French (fr)
Other versions
FR2321458A1 (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.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
Deutsche Gold und Silber Scheideanstalt
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 Degussa GmbH, Deutsche Gold und Silber Scheideanstalt filed Critical Degussa GmbH
Publication of FR2321458A1 publication Critical patent/FR2321458A1/en
Application granted granted Critical
Publication of FR2321458B1 publication Critical patent/FR2321458B1/fr
Granted 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)
FR7624923A 1975-08-18 1976-08-16 PROCESS FOR THE MANUFACTURE OF MOLDED PARTS OF SILICUM NITRIDE FRITTED WITH REACTION AND HOT PRESSED Granted FR2321458A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752536676 DE2536676C3 (en) 1975-08-18 1975-08-18 Process for the production of silicon nitride molded bodies with a density gradient within the molded body

Publications (2)

Publication Number Publication Date
FR2321458A1 FR2321458A1 (en) 1977-03-18
FR2321458B1 true FR2321458B1 (en) 1980-06-13

Family

ID=5954212

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7624923A Granted FR2321458A1 (en) 1975-08-18 1976-08-16 PROCESS FOR THE MANUFACTURE OF MOLDED PARTS OF SILICUM NITRIDE FRITTED WITH REACTION AND HOT PRESSED

Country Status (4)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2812019C2 (en) * 1978-03-18 1982-06-03 Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe Device for producing a preform from silicon nitride

Also Published As

Publication number Publication date
GB1562089A (en) 1980-03-05
DE2536676C3 (en) 1979-10-25
DE2536676B2 (en) 1978-08-10
DE2536676A1 (en) 1977-02-24
FR2321458A1 (en) 1977-03-18
IT1070228B (en) 1985-03-29

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Legal Events

Date Code Title Description
TP Transmission of property
TP Transmission of property
ST Notification of lapse