FR2106014A5 - Ceramic article - of high strength and precise dimensional tolerance - Google Patents

Ceramic article - of high strength and precise dimensional tolerance

Info

Publication number
FR2106014A5
FR2106014A5 FR7130808A FR7130808A FR2106014A5 FR 2106014 A5 FR2106014 A5 FR 2106014A5 FR 7130808 A FR7130808 A FR 7130808A FR 7130808 A FR7130808 A FR 7130808A FR 2106014 A5 FR2106014 A5 FR 2106014A5
Authority
FR
France
Prior art keywords
ceramic article
high strength
dimensional tolerance
alumina
article
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
FR7130808A
Other languages
French (fr)
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.)
Ceram Corp
Original Assignee
Ceram Corp
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 Ceram Corp filed Critical Ceram Corp
Application granted granted Critical
Publication of FR2106014A5 publication Critical patent/FR2106014A5/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
    • C04B35/01—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

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)

Abstract

A high-strength ceramic article is formed to a precise tolerance by calcining a particulate compsn. a principal part of which is alumina (A), and a substantial part of which is a ceramic-forming material (B), the calcination being performed so as to cause vitrification, the calcination temp. being selected so as to produce an article having ap recise degree of contraction, predetermined according to the proportion of material (B). Material (B) is one or more of MgO, silica, clay, or a silicone binder. The composition contains a flux with m.pt. appreciably below that of alumina, e.g. a glass frit or lead bisilicate. It is used in insulators, electronic components, aircraft and missile components.
FR7130808A 1970-08-26 1971-08-25 Ceramic article - of high strength and precise dimensional tolerance Expired FR2106014A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6726270A 1970-08-26 1970-08-26

Publications (1)

Publication Number Publication Date
FR2106014A5 true FR2106014A5 (en) 1972-04-28

Family

ID=22074820

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7130808A Expired FR2106014A5 (en) 1970-08-26 1971-08-25 Ceramic article - of high strength and precise dimensional tolerance

Country Status (6)

Country Link
BE (1) BE771703A (en)
CA (1) CA966511A (en)
DE (1) DE2142581A1 (en)
FR (1) FR2106014A5 (en)
IT (1) IT943597B (en)
NL (1) NL7111775A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2803208A1 (en) * 1978-01-25 1979-07-26 Chloride Silent Power Ltd Polycrystalline alumina electrolyte for sodium-sulphur battery - is compacted by sintering in successive heating and cooling cycles
US4265669A (en) * 1979-12-14 1981-05-05 Coors Porcelain Company Shrink-free ceramic and method and raw batch for the manufacture thereof
US5741842A (en) * 1991-07-10 1998-04-21 Bayer Aktiengesellschaft Thermoplastic moulding compounds, a process for their preparation and a process for the production of ceramic or metal moulded parts by sintering

Also Published As

Publication number Publication date
BE771703A (en) 1971-12-31
NL7111775A (en) 1972-02-29
IT943597B (en) 1973-04-10
CA966511A (en) 1975-04-22
DE2142581A1 (en) 1972-03-02

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Legal Events

Date Code Title Description
ST Notification of lapse