GB1342406A – Stabilised zirconia and a process for the preparation thereof
– Google Patents
GB1342406A – Stabilised zirconia and a process for the preparation thereof
– Google Patents
Stabilised zirconia and a process for the preparation thereof
Info
Publication number
GB1342406A
GB1342406A
GB3039971A
GB1342406DA
GB1342406A
GB 1342406 A
GB1342406 A
GB 1342406A
GB 3039971 A
GB3039971 A
GB 3039971A
GB 1342406D A
GB1342406D A
GB 1342406DA
GB 1342406 A
GB1342406 A
GB 1342406A
Authority
GB
United Kingdom
Prior art keywords
yttria
zirconia
concentrate
rare earth
calcined
Prior art date
1971-06-29
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
GB3039971A
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.)
Magnesium Elektron Ltd
Original Assignee
Magnesium Elektron 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.)
1971-06-29
Filing date
1971-06-29
Publication date
1974-01-03
1971-06-29
Application filed by Magnesium Elektron Ltd
filed
Critical
Magnesium Elektron Ltd
1974-01-03
Publication of GB1342406A
publication
Critical
patent/GB1342406A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
C04B35/48—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 zirconium or hafnium oxides, zirconates, zircon or hafnates
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
C04B35/46—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 titanium oxides or titanates
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
C04B35/48—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 zirconium or hafnium oxides, zirconates, zircon or hafnates
C04B35/486—Fine ceramics
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
C04B35/50—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on rare-earth compounds
Abstract
1342406 Zirconia refractory MAGNESIUM ELEKTRON Ltd 28 June 1972 [29 June 1971] 30399/71 Heading C1J A stabilized zirconia body is made by mixing zirconia and a yttria concentrate containing 35 to 70% yttria and the remainder rare earth metal oxides, and having been prepared from a naturally occurring mineral containing yttrium and rare earth metals without isolation of pure yttria, the concentrate being present in an amount to provide at least 3 mol. per cent of yttria plus heavy rare earth (Atomic Nos. 62-71) oxides. The mixture is then calcined from 1 to 10 hours at 900‹ to 1500‹ C. The yttria concentrate is preferably dissolved in HCl and added to an aqueous slurry of basic zirconia sulphate, alkali added and the resulting hydroxides washed, dired and calcined. In the examples the following rare earths were present in addition to yttria: La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Yb, Th.
GB3039971A
1971-06-29
1971-06-29
Stabilised zirconia and a process for the preparation thereof
Expired
GB1342406A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
GB3039971
1971-06-29
Publications (1)
Publication Number
Publication Date
GB1342406A
true
GB1342406A
(en)
1974-01-03
Family
ID=10307082
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB3039971A
Expired
GB1342406A
(en)
1971-06-29
1971-06-29
Stabilised zirconia and a process for the preparation thereof
Country Status (6)
Country
Link
CA
(1)
CA965111A
(en)
DE
(1)
DE2231539A1
(en)
FR
(1)
FR2143781A1
(en)
GB
(1)
GB1342406A
(en)
IT
(1)
IT959976B
(en)
NL
(1)
NL7209027A
(en)
Cited By (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
CN113943156A
(en)
*
2021-12-20
2022-01-18
中南大学
Method for preparing HfO2-ThO2 ultrahigh-temperature oxide composite ceramic in large scale
Families Citing this family (10)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US4360598A
(en)
*
1980-03-26
1982-11-23
Ngk Insulators, Ltd.
Zirconia ceramics and a method of producing the same
FR2538314B1
(en)
*
1982-12-25
1986-05-09
Kyocera Corp
BLACK ZIRCONIA DECORATIVE ARTICLE AND PROCESS FOR ITS PREPARATION
JPS60141673A
(en)
*
1983-12-27
1985-07-26
日本碍子株式会社
Zirconia ceramic and manufacture
JPS61101462A
(en)
*
1984-10-24
1986-05-20
日本碍子株式会社
Zirconia ceramic
FR2578241B1
(en)
*
1985-03-01
1990-03-30
Rhone Poulenc Spec Chim
STABILIZED ZIRCONIA, ITS PREPARATION PROCESS AND ITS APPLICATION IN CERAMIC COMPOSITIONS
FR2595680B1
(en)
*
1986-03-14
1988-05-27
Thann & Mulhouse
PROCESS FOR THE PREPARATION OF SUBMICRONIC STABILIZED ZIRCONE FROM ZIRCONIUM FLUOSULFATE AND APPLICATION OF THE STABILIZED ZIRCONE OBTAINED IN CERAMIC COMPOSITIONS
US4753902A
(en)
*
1986-11-24
1988-06-28
Corning Glass Works
Transformation toughened zirconia-titania-yttria ceramic alloys
US5180696A
(en)
*
1987-06-11
1993-01-19
Hitachi Metals, Ltd.
High-toughness zro2 sintered body and method of producing same
CN110600777B
(en)
*
2018-06-12
2023-03-10
阜阳师范学院
Double-doped zirconium dioxide and alkali metal salt compound and preparation method thereof
CN112851340A
(en)
*
2021-01-29
2021-05-28
中国地质大学（武汉）
Ytterbium, gadolinium and yttrium three-element co-doped nano zirconia ceramic powder and preparation method thereof
1971
1971-06-29
GB
GB3039971A
patent/GB1342406A/en
not_active
Expired
1972
1972-06-26
IT
IT26216/72A
patent/IT959976B/en
active
1972-06-26
CA
CA145,644A
patent/CA965111A/en
not_active
Expired
1972-06-27
FR
FR7223168A
patent/FR2143781A1/fr
not_active
Withdrawn
1972-06-28
DE
DE2231539A
patent/DE2231539A1/en
active
Pending
1972-06-29
NL
NL7209027A
patent/NL7209027A/xx
unknown
Cited By (2)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
CN113943156A
(en)
*
2021-12-20
2022-01-18
中南大学
Method for preparing HfO2-ThO2 ultrahigh-temperature oxide composite ceramic in large scale
CN113943156B
(en)
*
2021-12-20
2022-05-17
中南大学
Method for preparing HfO2-ThO2 ultrahigh-temperature oxide composite ceramic in large scale
Also Published As
Publication number
Publication date
IT959976B
(en)
1973-11-10
FR2143781A1
(en)
1973-02-09
DE2231539A1
(en)
1973-01-11
NL7209027A
(en)
1973-01-03
CA965111A
(en)
1975-03-25
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Legal Events
Date
Code
Title
Description
1974-05-15
PS
Patent sealed
1975-05-21
433D
Application made for revocation (sect. 33/1949)
1977-09-08
433B
Case decided by the comptroller ** patent revoked (sect. 33/1949)
1979-02-14
PCNP
Patent ceased through non-payment of renewal fee
