한국전기전자재료학회논문지 (Journal of the Korean Institute of Electrical and Electronic Material Engineers)

  • 제25권5호
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  • Pages.361-365
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  • 2012
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  • 1226-7945(pISSN)
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  • 2288-3258(eISSN)
한국전기전자재료학회 (The Korean Institute of Electrical and Electronic Material Engineers)
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압전 세라믹 공진자를 이용한 점도 센서

Viscosity Sensor Using Piezoelectric Ceramic Resonators

  • 옥윤포 (한국전기연구원 전지연구센터) ;
  • 강진규 (울산대학교 첨단소재공학부) ;
  • 홍창효 (울산대학교 첨단소재공학부) ;
  • 이재신 (울산대학교 첨단소재공학부)
  • Ok, Yun-Po (Korea Electrotechnology Research Center, Battery Research Center) ;
  • Kang, Jin-Kyu (School of Materials Science and Engineering, University of Ulsan) ;
  • Hong, Chang-Hyo (School of Materials Science and Engineering, University of Ulsan) ;
  • Lee, Jae-Shin (School of Materials Science and Engineering, University of Ulsan)
  • 투고 : 2012.03.21
  • 심사 : 2012.03.26
  • 발행 : 2012.05.01
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초록

A bolt-clamped ultrasonic viscometer was designed and fabricated using a pair of ring-shaped piezoelectric ceramic resonators. For its compactness and low operation frequencies, simulation of piezoelectric resonators was carried out using an ATILA program. Ring-shaped resonators using $0.05Pb(Mn_{1/3}Sb_{2/3})O_3-0.95Pb(Zr_{0.475}Ti_{0.525})O_3$ ceramics were prepared by a conventional ceramic processing, which were then clamped with a pair of metal caps. The fabricated sensor module with a small volume of less than 1 $cm^3$ and an operation frequency as low as 26.5 kHz showed a good relationship between its quality factor and the viscosity of oil.

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참고문헌

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