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GB2199028A - Glass ceramics - Google Patents
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GB2199028A - Glass ceramics - Google Patents

Glass ceramics

Info

Publication number
GB2199028A
GB2199028A GB08800756A GB8800756A GB2199028A GB 2199028 A GB2199028 A GB 2199028A GB 08800756 A GB08800756 A GB 08800756A GB 8800756 A GB8800756 A GB 8800756A GB 2199028 A GB2199028 A GB 2199028A
Authority
GB
United Kingdom
Prior art keywords
mole
glass ceramics
glass
specific
batch
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
GB08800756A
Other versions
GB2199028B (en
GB8800756D0 (en
Inventor
Peter Finlay James
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.)
University of Sheffield
Original Assignee
University of Sheffield
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 University of Sheffield filed Critical University of Sheffield
Publication of GB8800756D0 publication Critical patent/GB8800756D0/en
Publication of GB2199028A publication Critical patent/GB2199028A/en
Application granted granted Critical
Publication of GB2199028B publication Critical patent/GB2199028B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C10/00Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
    • C03C10/0036Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing SiO2, Al2O3 and a divalent metal oxide as main constituents
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C10/00Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
    • C03C10/0054Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing PbO, SnO2, B2O3

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)

Abstract

A machineable glass ceramic that also has other good characteristics, such as hardness, chemical durability and biocompatibility, is formed from a batch mix having the composition range (in mole %): Al2O3: 1.5 to 15.0; CaO: 22.0 to 55.0; P2O5: 28.0 to 65.0; SiO2 (and/or B2O3): up to 15.0; TiO2 (and/or ZrO2): up to 10.0. Up to 15 mole % may be added of any one or more of Na2O, K2O, Li2O, MgO, BaO and ZnO, to aid melting of the glass. Specific manufacturing stages and two specific batch mixes are given, and a wide range of uses is suggested.
GB8800756A 1986-05-21 1987-12-03 Glass ceramics. Expired - Lifetime GB2199028B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868612387A GB8612387D0 (en) 1986-05-21 1986-05-21 Glass ceramics

Publications (3)

Publication Number Publication Date
GB8800756D0 GB8800756D0 (en) 1988-02-17
GB2199028A true GB2199028A (en) 1988-06-29
GB2199028B GB2199028B (en) 1990-05-09

Family

ID=10598224

Family Applications (2)

Application Number Title Priority Date Filing Date
GB868612387A Pending GB8612387D0 (en) 1986-05-21 1986-05-21 Glass ceramics
GB8800756A Expired - Lifetime GB2199028B (en) 1986-05-21 1987-12-03 Glass ceramics.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB868612387A Pending GB8612387D0 (en) 1986-05-21 1986-05-21 Glass ceramics

Country Status (2)

Country Link
GB (2) GB8612387D0 (en)
WO (1) WO1987007256A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1296941C (en) * 2003-06-11 2007-01-24 日本特殊陶业株式会社 Dielectric material and method of producing the same
US7377943B2 (en) 2001-06-15 2008-05-27 Humboldt-Universitaet Berlin, Charite Universitaetsklinikum Surface treated metallic implant and blasting material
CN100406069C (en) * 2005-09-28 2008-07-30 中国科学院金属研究所 A kind of CaO-P2O5-Na2O-TiO2-ZrO2 biological glass ceramics and its preparation method

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017067909A1 (en) 2015-10-19 2017-04-27 Vita Zahnfabrik H. Rauter Gmbh & Co. Kg Process for producing a workpiece with low translucency
US10676713B2 (en) * 2016-05-27 2020-06-09 Corning Incorporated Bioactive borophosphate glasses
US20170342383A1 (en) 2016-05-27 2017-11-30 Corning Incorporated Lithium disilicate glass-ceramic compositions and methods thereof
TWI794344B (en) 2017-11-28 2023-03-01 美商康寧公司 Chemically strengthened bioactive glass-ceramics
CN111433165A (en) 2017-11-28 2020-07-17 康宁股份有限公司 High liquidus viscosity bioactive glass
WO2019108556A1 (en) 2017-11-28 2019-06-06 Corning Incorporated Bioactive glass compositions and dentin hypersensitivity remediation
CN111971257A (en) 2018-03-28 2020-11-20 康宁股份有限公司 Borophosphate glass ceramics with low dielectric loss

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3241935A (en) * 1963-07-29 1966-03-22 Corning Glass Works Bone china and method of making it
US4202700A (en) * 1979-05-02 1980-05-13 The United States Of America As Represented By The United States Department Of Energy Glassy composition for hermetic seals
DE3500287A1 (en) * 1984-01-24 1985-08-01 VEB JENAer GLASWERK, DDR 6900 Jena PHOSPHATE GLASS CERAMICS
EP0175265A2 (en) * 1984-09-14 1986-03-26 Asahi Glass Company Ltd. Calcium phosphate type crystallizable glass

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3241935A (en) * 1963-07-29 1966-03-22 Corning Glass Works Bone china and method of making it
US4202700A (en) * 1979-05-02 1980-05-13 The United States Of America As Represented By The United States Department Of Energy Glassy composition for hermetic seals
DE3500287A1 (en) * 1984-01-24 1985-08-01 VEB JENAer GLASWERK, DDR 6900 Jena PHOSPHATE GLASS CERAMICS
EP0175265A2 (en) * 1984-09-14 1986-03-26 Asahi Glass Company Ltd. Calcium phosphate type crystallizable glass

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7377943B2 (en) 2001-06-15 2008-05-27 Humboldt-Universitaet Berlin, Charite Universitaetsklinikum Surface treated metallic implant and blasting material
CN1296941C (en) * 2003-06-11 2007-01-24 日本特殊陶业株式会社 Dielectric material and method of producing the same
CN100406069C (en) * 2005-09-28 2008-07-30 中国科学院金属研究所 A kind of CaO-P2O5-Na2O-TiO2-ZrO2 biological glass ceramics and its preparation method

Also Published As

Publication number Publication date
GB2199028B (en) 1990-05-09
GB8612387D0 (en) 1986-07-16
GB8800756D0 (en) 1988-02-17
WO1987007256A1 (en) 1987-12-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee