AT380868B - Verfahren zur herstellung lichtdurchlaessiger sinterkoerper aus aluminiumoxid - Google Patents

Verfahren zur herstellung lichtdurchlaessiger sinterkoerper aus aluminiumoxid

Info

Publication number
AT380868B
AT380868B AT0061282A AT61282A AT380868B AT 380868 B AT380868 B AT 380868B AT 0061282 A AT0061282 A AT 0061282A AT 61282 A AT61282 A AT 61282A AT 380868 B AT380868 B AT 380868B
Authority
AT
Austria
Prior art keywords
aluminum oxide
producing transparent
sinter bodies
sinter
bodies
Prior art date
Application number
AT0061282A
Other languages
English (en)
Other versions
ATA61282A (de
Original Assignee
Tungsram Reszvenytarsasag
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 Tungsram Reszvenytarsasag filed Critical Tungsram Reszvenytarsasag
Publication of ATA61282A publication Critical patent/ATA61282A/de
Application granted granted Critical
Publication of AT380868B publication Critical patent/AT380868B/de

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
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
    • C04B35/632—Organic additives
    • 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
    • C04B35/115—Translucent or transparent products
    • 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
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/64—Burning or sintering processes
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/658—Atmosphere during thermal treatment
    • C04B2235/6587—Influencing the atmosphere by vaporising a solid material, e.g. by using a burying of sacrificial powder

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)
AT0061282A 1981-02-18 1982-02-17 Verfahren zur herstellung lichtdurchlaessiger sinterkoerper aus aluminiumoxid AT380868B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU81392A HU185242B (en) 1981-02-18 1981-02-18 Method for producing light-passing alumina sintered bodies advantageously cylinder-symmetrical ones

Publications (2)

Publication Number Publication Date
ATA61282A ATA61282A (de) 1985-12-15
AT380868B true AT380868B (de) 1986-07-25

Family

ID=10949404

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0061282A AT380868B (de) 1981-02-18 1982-02-17 Verfahren zur herstellung lichtdurchlaessiger sinterkoerper aus aluminiumoxid

Country Status (3)

Country Link
AT (1) AT380868B (de)
DE (1) DE3201750A1 (de)
HU (1) HU185242B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3233019A1 (de) * 1982-09-06 1984-03-08 Max Planck Gesellschaft zur Förderung der Wissenschaften e.V., 3400 Göttingen Keramikformkoerper, verfahren zu seiner herstellung und seine verwendung
DE3373808D1 (en) * 1983-01-24 1987-10-29 Sumitomo Chemical Co Making shaped sintered inorganic bodies
EP0134277B2 (de) * 1983-08-26 1991-11-13 Hoechst CeramTec Aktiengesellschaft Verfahren und Vorrichtung zum Herstellen von polykristallinen, transluzenten Sinterrohren
GB2211179B (en) * 1987-10-15 1992-08-12 Hoechst Ceram Tec Ag Aluminium oxide shaped articles and process for their manufacture
US5382556A (en) * 1992-04-22 1995-01-17 Sumitomo Chemical Company, Limited Translucent polycrystalline alumina and process for producing the same
ATE155452T1 (de) * 1993-12-10 1997-08-15 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Hochdruckentladungslampe mit keramischer entladungsröhre, dafür geeigneter keramischer körper und verfahren zu seiner herstellung
CN115893991A (zh) * 2022-10-21 2023-04-04 江苏师范大学 一种高透明Al2O3多晶陶瓷的制备方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT212280B (de) * 1959-07-04 1960-12-12 Gen Electric Verfahren zur Herstellung von polykristallinem Aluminiumoxyd
US3311482A (en) * 1966-01-25 1967-03-28 Emil A Klingler Sintered transparent bodies of aluminum oxide and method of preparing the same
US3899560A (en) * 1968-04-01 1975-08-12 Avco Corp Method of preparing transparent alumina
GB1264914A (de) * 1968-07-10 1972-02-23
GB1252851A (de) * 1969-08-27 1971-11-10
DE2151883A1 (de) * 1970-11-23 1972-05-31 Inst Fuer Nachrichtentechnik Schaltungsanordnung zur Einspeisung einer Messwechselspannung bestimmter Frequenz in gegengekoppelte Verstaerker
US3834915A (en) * 1972-07-24 1974-09-10 Gte Sylvania Inc Fine grain translucent alumina
US3875277A (en) * 1973-07-30 1975-04-01 Westinghouse Electric Corp Method for making polycrystalline alumina arc tubes
JPS6022670B2 (ja) * 1978-05-12 1985-06-03 日本碍子株式会社 多結晶透明アルミナ及びその製造法ならびに高圧蒸気放射灯用発光管
US4285732A (en) * 1980-03-11 1981-08-25 General Electric Company Alumina ceramic

Also Published As

Publication number Publication date
ATA61282A (de) 1985-12-15
HU185242B (en) 1984-12-28
DE3201750A1 (de) 1982-09-16

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee