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Priority to KR1019890013949ApriorityCriticalpatent/KR910006185A/en
Publication of KR910006185ApublicationCriticalpatent/KR910006185A/en
압전자기 조성물의 제조방법Method for producing piezoelectric composition
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.
제1도는 PbO과잉 첨가량에 따른 밀도의 변화를 나타낸 그래프.1 is a graph showing the change in density according to the excess amount of PbO.
Claims (3)
XPb(Co1/3Nb2/3)O3-yPbTiO3-ZPbZrO3(o≤x≤25. 30≤y≤70, x+y+z=100)의 3성분계에 0∼5몰%의 PbO를 Sr로 치환한 압전자가 조성물에 과잉의 PbO를 1∼5중량% 첨가하여 습식혼합, 하소, 분쇄 및 성형하여 압전자기 조성물을 제조하는데 있어서, 상기 성형후 1차 예비 소결한후 1차 예비 소결온도보다 높은 최종 소결온도하에서 최종 소결하는 것을 특징으로 하는 압전자기 조성물의 제조방법.XPb (Co 1/3 Nb 2 /3) O 3 -yPbTiO 3 -ZPbZrO 3 of (o≤x≤25. 30≤y≤70, x + y + z = 100) 0~5% by mole in the three-component system of A piezoelectric substituted PbO with Sr adds 1 to 5% by weight of excess PbO to the composition to produce a piezoelectric composition by wet mixing, calcining, pulverizing and molding. A method for producing a piezoelectric composition, characterized in that the final sintering at a final sintering temperature higher than the sintering temperature.제1항에 있어서, 1차 예비 소결온도는 850∼950℃이고, 최종소결온도는 1050∼1250℃인 것을 특징으로 하는 압전자기 조성물의 제조방법.The method of claim 1, wherein the first preliminary sintering temperature is 850 to 950 ° C and the final sintering temperature is 1050 to 1250 ° C.제1항에 있어서, 1차 예비 소결시간 및 최종 소결시간이 각각 0.5∼1.5시간인 것을 특징으로 하는 압전자기 조성물.The piezoelectric composition according to claim 1, wherein the first preliminary sintering time and the final sintering time are 0.5 to 1.5 hours, respectively.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890013949A1989-09-281989-09-28
Method for producing piezoelectric composition
KR910006185A
(en)
Method of hydrated crystalline form of natrium salt 3-acetoxymethyl-7o2-(2-amino-4-triazolyl)-2-methoxyiminoacetamidou cef-3-em-4-carbonic acid, sin isomer preparation
Is it possible to estimate the total species number of a macrobenthic community? Application to several soft-bottom communities from the English Channel.