GB1086568A - Lead titanate zirconate ferroelectric ceramic material - Google Patents

Lead titanate zirconate ferroelectric ceramic material

Info

Publication number
GB1086568A
GB1086568A GB3413766A GB3413766A GB1086568A GB 1086568 A GB1086568 A GB 1086568A GB 3413766 A GB3413766 A GB 3413766A GB 3413766 A GB3413766 A GB 3413766A GB 1086568 A GB1086568 A GB 1086568A
Authority
GB
United Kingdom
Prior art keywords
ferroelectric ceramic
hour
ceramic material
lead titanate
titanate zirconate
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
GB3413766A
Inventor
Tsuneo Akashi
Masao Takahashi
Fumio Yamauchi
Norio Tsubouchi
Tomeji Ohno
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.)
NEC Corp
Original Assignee
Nippon Electric Co 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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to GB3413766A priority Critical patent/GB1086568A/en
Publication of GB1086568A publication Critical patent/GB1086568A/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
    • C04B35/50—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
    • 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
    • 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
    • C04B35/51—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on compounds of actinides

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Composite Materials (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

A modified PZT ferroelectric ceramic includes an amount not exceeding 5 wt. per cent of thorium dioxide and an amount not exceeding 0.3 wt. per cent of chromium sesquioxide, the modified PZT material having the formula PbnXm(TixZrySnz)O3 where X represents Ca and/or Sr and/or Ba, n is at least 0.75 with n + m = 1, x = 0.10 to 0.60, y = 0.00 to 0.90 and z = 0.00 to 0.65 with x + y + z = 1, and m and/or z is greater than zero. The modified PZT basic material together with the additives is mixed in a ball mill and presintered at 900 DEG C. for one hour and then pulverized. The powdered material is then pressed and sintered at 1300 DEG C. for one hour. Silver electrodes are applied to the pressed element and polarization effected by application of 50 kv./cm. for one hour.
GB3413766A 1966-05-19 1966-05-19 Lead titanate zirconate ferroelectric ceramic material Expired GB1086568A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3413766A GB1086568A (en) 1966-05-19 1966-05-19 Lead titanate zirconate ferroelectric ceramic material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3413766A GB1086568A (en) 1966-05-19 1966-05-19 Lead titanate zirconate ferroelectric ceramic material

Publications (1)

Publication Number Publication Date
GB1086568A true GB1086568A (en) 1967-10-11

Family

ID=10361850

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3413766A Expired GB1086568A (en) 1966-05-19 1966-05-19 Lead titanate zirconate ferroelectric ceramic material

Country Status (1)

Country Link
GB (1) GB1086568A (en)

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