GB889222A - Improvements relating to ceramic bodies - Google Patents

Improvements relating to ceramic bodies

Info

Publication number
GB889222A
GB889222A GB2321459A GB2321459A GB889222A GB 889222 A GB889222 A GB 889222A GB 2321459 A GB2321459 A GB 2321459A GB 2321459 A GB2321459 A GB 2321459A GB 889222 A GB889222 A GB 889222A
Authority
GB
United Kingdom
Prior art keywords
alpo4
al2o3
improvements relating
alumina
ceramic bodies
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
GB2321459A
Inventor
David Brian Binns
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.)
British Ceramic Research Association Ltd
Original Assignee
British Ceramic Research Association Ltd
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 British Ceramic Research Association Ltd filed Critical British Ceramic Research Association Ltd
Priority to GB2321459A priority Critical patent/GB889222A/en
Publication of GB889222A publication Critical patent/GB889222A/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
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Porous Artificial Stone Or Porous Ceramic Products (AREA)

Abstract

A compact low expansion (+ 280 to - 30 X 10-8 over 20 to 500 DEG C.) thermal shock resistant ceramic body, for oven ware or electrical insulation, is made by mixing powdered amblygonite (e.g. 35-55% LiF.AlPO4) and clay (e.g. 30-65% ball and china clay) with or without alumina or alumina producing material (e.g. 0-30% Al2O3.XH2O), i.e. the latter being either calcined or as hydrate. The mixture may be formed into workpieces and fired at 975-1225 DEG C. The material formed has a crystal structure similar b -encryptite (Li2O.Al2O3. 2SiO2) in which some of the SiO2 is replaced by AlPO4. Porous bodies may also be produced.
GB2321459A 1959-07-07 1959-07-07 Improvements relating to ceramic bodies Expired GB889222A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2321459A GB889222A (en) 1959-07-07 1959-07-07 Improvements relating to ceramic bodies

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2321459A GB889222A (en) 1959-07-07 1959-07-07 Improvements relating to ceramic bodies

Publications (1)

Publication Number Publication Date
GB889222A true GB889222A (en) 1962-02-14

Family

ID=10191999

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2321459A Expired GB889222A (en) 1959-07-07 1959-07-07 Improvements relating to ceramic bodies

Country Status (1)

Country Link
GB (1) GB889222A (en)

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