GB1430475A - Piezoceramic material - Google Patents
Piezoceramic materialInfo
- Publication number
- GB1430475A GB1430475A GB1486473A GB1486473A GB1430475A GB 1430475 A GB1430475 A GB 1430475A GB 1486473 A GB1486473 A GB 1486473A GB 1486473 A GB1486473 A GB 1486473A GB 1430475 A GB1430475 A GB 1430475A
- Authority
- GB
- United Kingdom
- Prior art keywords
- iii
- pbb
- piezoceramic material
- zname
- trudov
- 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
Links
- 229910052796 boron Inorganic materials 0.000 abstract 4
- 229910052759 nickel Inorganic materials 0.000 abstract 3
- 239000000919 ceramic Substances 0.000 abstract 2
- 229910052748 manganese Inorganic materials 0.000 abstract 2
- 229910052758 niobium Inorganic materials 0.000 abstract 2
- 229910052725 zinc Inorganic materials 0.000 abstract 2
- 229910052721 tungsten Inorganic materials 0.000 abstract 1
Classifications
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- C—CHEMISTRY; METALLURGY
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- 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
- C04B35/49—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 containing also titanium oxides or titanates
- C04B35/491—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 containing also titanium oxides or titanates based on lead zirconates and lead titanates, e.g. PZT
- C04B35/493—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 containing also titanium oxides or titanates based on lead zirconates and lead titanates, e.g. PZT containing also other lead compounds
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- 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
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/62645—Thermal treatment of powders or mixtures thereof other than sintering
- C04B35/62675—Thermal treatment of powders or mixtures thereof other than sintering characterised by the treatment temperature
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- 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
- C04B35/645—Pressure sintering
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/85—Piezoelectric or electrostrictive active materials
- H10N30/853—Ceramic compositions
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
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- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
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- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3251—Niobium oxides, niobates, tantalum oxides, tantalates, or oxide-forming salts thereof
- C04B2235/3255—Niobates or tantalates, e.g. silver niobate
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
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- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3258—Tungsten oxides, tungstates, or oxide-forming salts thereof
- C04B2235/326—Tungstates, e.g. scheelite
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- C04B2235/3267—MnO2
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- C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3275—Cobalt oxides, cobaltates or cobaltites or oxide forming salts thereof, e.g. bismuth cobaltate, zinc cobaltite
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- C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3279—Nickel oxides, nickalates, or oxide-forming salts thereof
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- C04B2235/3284—Zinc oxides, zincates, cadmium oxides, cadmiates, mercury oxides, mercurates or oxide forming salts thereof
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- 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
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
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- 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
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6567—Treatment time
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Composite Materials (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Magnetic Ceramics (AREA)
Abstract
1430475 Piezoelectric ceramics ROSTOV ORDENA TRUDOV KRASNO ZNAME GOZUDARSTVEN UNIVERSITET 28 March 1973 14864/73 Heading C1J A piezoelectric ceramic comprises, in molar proportions: (1) PbTiO 3 30-52À5; (2) PbZrO 3 25-47À6; (3) PbB<SP>I</SP> 1-α B<SP>II</SP>αO 3 1À5-28À4; and (4) PbB<SP>III</SP> 1-α B<SP>IV</SP> α O 3 2À3-29À4. B<SP>I</SP> and B<SP>III</SP> are Nb or W and B<SP>II</SP> and B<SP>IV</SP> are Zn, Mg, Co, Mn and Ni provided that (3) and (4) are different and when B<SP>I</SP> and B<SP>II</SP> are Nb and B<SP>II</SP> is Ni, B<SP>IV</SP> is not Zn or Mn; or when B<SP>I</SP> and B<SP>III</SP> are Ni and B<SP>II</SP> is Mig B<SP>IV</SP> is not Mn; α being ¢ for W and <SP>1</SP>/ 3 for Nb. Modifying oxides, e.g. MnO 2 , CoO, Fe 2 O 3 , can also be present.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1486473A GB1430475A (en) | 1973-03-28 | 1973-03-28 | Piezoceramic material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1486473A GB1430475A (en) | 1973-03-28 | 1973-03-28 | Piezoceramic material |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1430475A true GB1430475A (en) | 1976-03-31 |
Family
ID=10048856
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1486473A Expired GB1430475A (en) | 1973-03-28 | 1973-03-28 | Piezoceramic material |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1430475A (en) |
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1973
- 1973-03-28 GB GB1486473A patent/GB1430475A/en not_active Expired
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |