KR950026847A - 세리믹/고분자 3-3형 복합 압전체 제조 방법 - Google Patents

세리믹/고분자 3-3형 복합 압전체 제조 방법 Download PDF

Info

Publication number
KR950026847A
KR950026847A KR1019940006210A KR19940006210A KR950026847A KR 950026847 A KR950026847 A KR 950026847A KR 1019940006210 A KR1019940006210 A KR 1019940006210A KR 19940006210 A KR19940006210 A KR 19940006210A KR 950026847 A KR950026847 A KR 950026847A
Authority
KR
South Korea
Prior art keywords
ceramic
organic binder
pzt
piezoelectric ceramic
piezoelectric
Prior art date
Application number
KR1019940006210A
Other languages
English (en)
Other versions
KR960012730B1 (ko
Inventor
사공건
Original Assignee
사공건
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 사공건 filed Critical 사공건
Priority to KR1019940006210A priority Critical patent/KR960012730B1/ko
Publication of KR950026847A publication Critical patent/KR950026847A/ko
Application granted granted Critical
Publication of KR960012730B1 publication Critical patent/KR960012730B1/ko

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
    • C04B35/01—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
    • 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
    • C04B35/622—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
    • C04B35/63—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 using additives specially adapted for forming the products, e.g.. binder binders
    • C04B35/632—Organic additives
    • C04B35/634—Polymers
    • C04B35/63404—Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B35/63416—Polyvinylalcohols [PVA]; Polyvinylacetates
    • 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
    • C04B35/622—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
    • C04B35/63—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 using additives specially adapted for forming the products, e.g.. binder binders
    • C04B35/638—Removal thereof
    • 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
    • H10N30/8548—Lead-based oxides
    • H10N30/8554—Lead-zirconium titanate [PZT] based
    • 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
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/64—Burning or sintering processes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Composite Materials (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Transducers For Ultrasonic Waves (AREA)

Abstract

본 발명은 음향 특성이 우수한 트란스 듀서 탐친자에 사용되어지는 압전 세라믹의 제조 방법에 관한 것이다. 본 발명은 PZT로 대표되는 압전 세라믹 분말을 유기 결합제와 혼합하고, 이를 450~500℃의 온도에서 열처리하여 유기, 결합제를 휘발시킨 다음, 1200~1300℃의 Pbo분위기에서 소결하여 다공성의 압전 세라믹 소결체를 얻은 다음, 이 다공성의 압전 세라믹 소결체를 에폭시 수지에 함침 시켜 PZT 세라믹과 고분자 매질이 소위 3-3형의 상 접속도를 갖게하도록 하는 세라믹/고분자 3-3형 복합 압전체의 제조방법을 제공한다.

Description

세라믹/고분자 3-3형 복합 압전체 제조 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 세라믹/고분자 3-3형 복합 압전체 제조 방법의 개략적인 공정 흐름도를 도식한 것이다.
제2도는 복합 압전체의 상접속도 패턴들을 도식한 것이다.
제3(a)도는 본 발명에 의해 제작되어진 복합 압전체용 다공성 세라믹의 기공 분포를 나타낸 전자 현미경 사진이다.
제3(b)도는 본 발명에 의해 제작되어진 복합 압전체용 다공성 세라믹의 구조를 나타낸 전자 현미경 사진이다.
제4(a),(b)도는 솔리드 PZT 틀랜스두서의 펄스-에코 응답 특성을 나타낸 것이다.
제5(a),(b)도는 본 발명에 따라 느 제작되어진 3-3형 복합 압전체의 펄스-에코 응답 특성을 나타낸 것이다.

Claims (3)

  1. PZT로 대표되는 압전 세라믹 분말을 유기 결합제와 혼합하고, 이를 450~500℃의 온도에서 열처리하여 유기 결합제를 휘발시킨 다음, 1200~1300℃의 Pbo분위기 중에서 소결하여 다공성의 압전 세라믹 소결체를 얻은 다음, 이 다공성의 압전 세라믹 소결체를 에폭시 수지에 함침 시켜 PZT 세라믹과 고분자 매질이 소위 3-3형의 상 접속도를 갖게 하도록 하는 세라믹/고분자 3-3형 복합 압전체의 제조 방법.
  2. 제1항에 있어서, 상기한 유기 결합제는 폴리 비닐 알콜, 또는 전분임을 특징으로 하는 방법.
  3. 제1항 또는 제2항에 있어서, 상기한 유기 결합제는 세라믹에 대하여 5~15중량%의 중량비로 첨가됨을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940006210A 1994-03-28 1994-03-28 세라믹/고분자 3-3형 복합 압전체 제조 방법 KR960012730B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940006210A KR960012730B1 (ko) 1994-03-28 1994-03-28 세라믹/고분자 3-3형 복합 압전체 제조 방법

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940006210A KR960012730B1 (ko) 1994-03-28 1994-03-28 세라믹/고분자 3-3형 복합 압전체 제조 방법

Publications (2)

Publication Number Publication Date
KR950026847A true KR950026847A (ko) 1995-10-16
KR960012730B1 KR960012730B1 (ko) 1996-09-24

Family

ID=19379710

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940006210A KR960012730B1 (ko) 1994-03-28 1994-03-28 세라믹/고분자 3-3형 복합 압전체 제조 방법

Country Status (1)

Country Link
KR (1) KR960012730B1 (ko)

Also Published As

Publication number Publication date
KR960012730B1 (ko) 1996-09-24

Similar Documents

Publication Publication Date Title
US4399052A (en) Activated carbonaceous honeycomb body and production method thereof
Yang et al. Porous PZT ceramics with high hydrostatic figure of merit and low acoustic impedance by TBA‐based gel‐casting process
DE69515014T2 (de) Verfahren zur Herstellung eines hochporösen nicht verdampfbaren Gettermaterials und damit hergestelltes Material
CA2214465A1 (en) Composite material protected against oxidation by a self-healing matrix, and a method of manufacturing it
Yang et al. Microstructure and electrical properties of porous PZT ceramics fabricated by different methods
Lee et al. Piezoelectric properties of PZT‐based ceramic with highly aligned pores
KR950029236A (ko) 압전 세라믹-고분자 복합재료 및 그 제조방법
KR890011808A (ko) 고밀도 SiC 소결체의 제조방법
KR960007505A (ko) 예비세라믹 중합체 결합제를 사용하는 고밀도 탄화티탄 세라믹의 제조방법
KR910018080A (ko) 내열성 금속질 모널리스 및 그의 제조방법
KR950026847A (ko) 세리믹/고분자 3-3형 복합 압전체 제조 방법
EP0396146A3 (en) Ceramic preforms having high mechanical strength, a process for their preparation and metal matrix composites obtained therefrom
KR930012639A (ko) 세라믹 소결체의 제조방법
US4542072A (en) Processing silicon nitride by use of boron nitride as a barrier layer
KR960007500A (ko) 예비세라믹 중합체 결합제를 사용하는 고밀도 탄화지르코늄 세라믹의 제조방법
KR960004291A (ko) 예비세라믹 중합체 결합제를 사용하는 고밀도 이붕소화티탄 세라믹의 제조방법
JPS5644299A (en) Voice coil for audio speaker
JPS5751110A (en) Preparation of porous carbon
ATE139471T1 (de) Verfahren zur herstellung von porösem metall und daraus hergestellte formkörper, wie katalysatorträger
JPS5648213A (en) Ultrafiltration element and its production
JPH0567854A (ja) 中空シリカガラスセラミツク回路基板及びその製造方法
JPS60180299A (ja) 音響機器の振動板とその製造方法
JPH0711096U (ja) 音響放射板
JPH054353B2 (ko)
JPH01115876A (ja) 耐酸化性高強度焼結体

Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 19990928

Year of fee payment: 4

LAPS Lapse due to unpaid annual fee