FR2421155A1 - Procede de preparation de pieces en alumine beta alcaline - Google Patents

Procede de preparation de pieces en alumine beta alcaline

Info

Publication number
FR2421155A1
FR2421155A1 FR7809498A FR7809498A FR2421155A1 FR 2421155 A1 FR2421155 A1 FR 2421155A1 FR 7809498 A FR7809498 A FR 7809498A FR 7809498 A FR7809498 A FR 7809498A FR 2421155 A1 FR2421155 A1 FR 2421155A1
Authority
FR
France
Prior art keywords
beta
parts
alumina
preparation
cement
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.)
Granted
Application number
FR7809498A
Other languages
English (en)
Other versions
FR2421155B1 (fr
Inventor
Gerard Desplanches
Jacques Leboucq
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.)
Alcatel Lucent SAS
Original Assignee
Compagnie Generale dElectricite SA
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 Compagnie Generale dElectricite SA filed Critical Compagnie Generale dElectricite SA
Priority to FR7809498A priority Critical patent/FR2421155A1/fr
Priority to BE1/9305A priority patent/BE874753A/fr
Priority to GB7908651A priority patent/GB2018742B/en
Priority to CH236979A priority patent/CH638767A5/fr
Priority to NO790969A priority patent/NO149170C/no
Priority to US06/022,768 priority patent/US4211570A/en
Priority to IT67593/79A priority patent/IT1119282B/it
Priority to DE19792911582 priority patent/DE2911582A1/de
Priority to LU81083A priority patent/LU81083A1/fr
Priority to CA000324692A priority patent/CA1117747A/fr
Priority to DK133579A priority patent/DK133579A/da
Priority to SE7902864A priority patent/SE439300B/sv
Priority to JP3925779A priority patent/JPS54135809A/ja
Publication of FR2421155A1 publication Critical patent/FR2421155A1/fr
Application granted granted Critical
Publication of FR2421155B1 publication Critical patent/FR2421155B1/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
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C04B35/111—Fine ceramics
    • C04B35/113—Fine ceramics based on beta-aluminium oxide

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

Procédé de préparation de pièces en alumine béta alcaline dans lequel le frittage, après mise en forme des pièces, est réalisé en disposant celles-ci dans une enceinte confectionnée en une matière réfractaire comportant un mélange de trois composants, à savoir une chamotte d'alumine béta obtenue par fusion et concassée en grains de 0,5 à 5 mm environ, un ciment ou liant d'alumine béta obtenu par réaction à l'état solide et à une température de 1200 degrés C environ à partir d'un mélange d'alumine alpha et de carbonate de sodium, ce ciment présentant une granulométrie de l'ordre de 10 microns, et enfin un sel de sodium. Cette enceinte est apte à créer au cours du frittage, et au voisinage immédiat des pièces, une atmosphère riche en sodium.
FR7809498A 1978-03-31 1978-03-31 Procede de preparation de pieces en alumine beta alcaline Granted FR2421155A1 (fr)

Priority Applications (13)

Application Number Priority Date Filing Date Title
FR7809498A FR2421155A1 (fr) 1978-03-31 1978-03-31 Procede de preparation de pieces en alumine beta alcaline
BE1/9305A BE874753A (fr) 1978-03-31 1979-03-12 Procede de preparation de pieces en alumine beta-alcaline
GB7908651A GB2018742B (en) 1978-03-31 1979-03-12 Method of sintering beta alkaline alumina parts
CH236979A CH638767A5 (fr) 1978-03-31 1979-03-13 Procede de preparation de pieces en alumine beta-alcaline.
US06/022,768 US4211570A (en) 1978-03-31 1979-03-22 Method of manufacturing beta alkaline alumina parts
IT67593/79A IT1119282B (it) 1978-03-31 1979-03-22 Procedimento per la fabbricazione di pezzi di allumina beta alcalina
NO790969A NO149170C (no) 1978-03-31 1979-03-22 Sintringskammer for sintring av deler av alkalimetalloksyd-beta-aluminiumoksyd samt fremgangsmaate for fremstilling av saadant kammer
DE19792911582 DE2911582A1 (de) 1978-03-31 1979-03-23 Verfahren zur herstellung von werkstuecken aus alkalischer beta-tonerde
LU81083A LU81083A1 (fr) 1978-03-31 1979-03-27 Procede de preparation de pieces en alumine beta-alcaline
CA000324692A CA1117747A (fr) 1978-03-31 1979-03-30 Procede de preparation de pieces en alumine beta-alcaline
DK133579A DK133579A (da) 1978-03-31 1979-03-30 Fremgangsmaade til fremstilling af legemer af natriumholdigt beta-aluminiumoxid
SE7902864A SE439300B (sv) 1978-03-31 1979-03-30 Sett att framstella beta-alkali-aluminiumoxiddelar
JP3925779A JPS54135809A (en) 1978-03-31 1979-03-30 Manufacture of beta alkali almina parts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7809498A FR2421155A1 (fr) 1978-03-31 1978-03-31 Procede de preparation de pieces en alumine beta alcaline

Publications (2)

Publication Number Publication Date
FR2421155A1 true FR2421155A1 (fr) 1979-10-26
FR2421155B1 FR2421155B1 (fr) 1980-08-22

Family

ID=9206510

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7809498A Granted FR2421155A1 (fr) 1978-03-31 1978-03-31 Procede de preparation de pieces en alumine beta alcaline

Country Status (3)

Country Link
BE (1) BE874753A (fr)
FR (1) FR2421155A1 (fr)
GB (1) GB2018742B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4263381A (en) * 1978-10-27 1981-04-21 The United States Of America As Represented By The United States Department Of Energy Sintering of beta-type alumina bodies using alpha-alumina encapsulation

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2304587A1 (fr) * 1975-03-20 1976-10-15 Comp Generale Electricite Procede de preparation de pieces en alumine beta alcaline
FR2341533A1 (fr) * 1976-02-18 1977-09-16 Ford France Procede de frittage de ceramiques

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2304587A1 (fr) * 1975-03-20 1976-10-15 Comp Generale Electricite Procede de preparation de pieces en alumine beta alcaline
FR2341533A1 (fr) * 1976-02-18 1977-09-16 Ford France Procede de frittage de ceramiques

Also Published As

Publication number Publication date
BE874753A (fr) 1979-09-12
FR2421155B1 (fr) 1980-08-22
GB2018742A (en) 1979-10-24
GB2018742B (en) 1982-09-02

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