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2002 Fiscal Year Final Research Report Summary

Measurement of Temperature and Pressure Changes of Elastic Moduli of Minerals

Research Project

Project/Area Number 12640410
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field 固体地球物理学
Research InstitutionEhime University

Principal Investigator

OHNO Ichiro  Ehime Univ., Dept.Earth Sciences, Prof., 理学部, 教授 (00116914)

Co-Investigator(Kenkyū-buntansha) SUZUKI Isao  Okayama Univ., Dept.Earth Sciences, Prof., 理学部, 教授 (60033198)
KIMURA Masaki  Ehime Univ., Geodynamic Research Center, Instructor, 地球深部ダイナミクス研究センター, 助手 (50127891)
HANAYAMA Yoichi  Ehime Univ., Geodynamic Research Center, Prof., 地球深部ダイナミクス研究センター, 教授 (00036386)
YONEDA Akira  Okayama Univ., Inst.Study Earth's Interior, Assoc.Prof., 固体地球研究センター, 助教授 (10262841)
Project Period (FY) 2000 – 2002
KeywordsElastic constants / Resonance method / Ultrasonic wave / High pressure / Gas pressure / Diopside
Research Abstract

The resonance method for measuring pressure derivatives of elastic constants was developed under gas pressure in two kinds of sample assemblage to specify the boundary condition : (1) spherical sample-thin gas layer-spherical container with a spherical cavity at the center ; stress free on the surface of cavity container ; (2) spherical sample-gas in infinite range ; stress components continuous at the sample surface. Measurements in both assemblages yielded resonance peaks of good signal/noise ratio. This is the first and important result of measuring resonance peaks under gas pressure up to 300 MPa. In the assemblage (1), it turned out there exist 'gas modes' concentrated in the thin gas layer, and the gas modes couples with the sample mode and make interference in determining pressure derivatives of elastic constants. The assemblage (2) is free from the interference caused by the gas modes, but a series of complicated analysis is needed in different way for individual mode.
In this term of project, the resonance method was extended to monoclinic crystals using rectangular parallelepiped specimen. A single crystal of monoclinic pyroxene (diopside MgCaSi_2O_6i) was measured, and all of thirteen independent elastic constants were determined based on 63 identified modes. Another single crystal of chrome-diopside was also measured and the elastic constants were determined in co-operative work with D.G.Isaak at UCLA

  • Research Products

    (18 results)

All Other

All Publications (18 results)

  • [Publications] Ohno, I., Abe, M., Kimura, M., Hanayama, Y., Oda, H., Suzuki, I.: "Elasticity measurement of silica glass under gas pressure"American Mineralogist. 85. 288-291 (2000)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Suzuki, I., Ohno, I., Anderson, O.L.: "Harmonic and anharmonic properties of spinel MgAl_2SiO_4"American Mineralogist. 85. 304-311 (2000)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Yoneda, A.: "The xyzr algorithm specialized for eigenvibration problem of bored and laminated objects"Journal of Sound and Vibration. 236. 431-441 (2000)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Honglin, He., Sekine, T., Kobayashi, T., Hirosaki, H., Suzuki, I.: "Shock-induced phase transition of β-Si_3N_4 to c-Si_3N_4"Physical Review. B62. 11412-11417 (2000)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Hanayama, Y., Kimura, M.: "Sound velocities in helium-argon mixed gas"Science and Technology of High Pressure. 1. 372-375 (2000)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Kimura, M., Hanayama, Y.: "Sound velocities in tungsten carbide under high pressure and temperature"Science and technology of High Pressure. 2. 814-817 (2000)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Ohno, I., Kimura, M., Hanayama, Y., Oda, H., Suzuki, I.: "Pressure dependence of the elasticity of a steel sphere measured by the cavity resonance method"Journal of the Acoustical Society of America. 110. 830-836 (2001)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Katsura, T., Mayama, N, Shouno, K., Sasaki, M., Yoneda, A., Suzuki, I.: "Temperature derivatives of elastic moduli of (Mg_<0.91>Fe_<0.09>)_2SiO_4 modified spinel"Physics of the Eearth andPlanetary Interiors. 124. 163-166 (2001)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Yoneda, A.: "Intrinsic eigenvibration frequency in the resonant ultrasound spectroscopy: Evidence for a coupling vibration between a sample and transducers"Earth, Planets and Space. 54. 763-770 (2002)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Ohno, I., Abe, M., Kimura, M., Hanayama, Y., Oda, H., and Suzuki, I.: "Elasticity measurement of silica glass under gas pressure"American Mineralogist. 85. 288-291 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Suzuki, I., Ohno, I., and Anderson, O.L.: "Harmonic and anharmonic properties of spinel MgAl_2SiO_4"American Mineralogist. 85. 304-311 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Yoneda, A.: "The xyzr algorithm specialized for eigenvibration problem of bored and laminated Objects"Journal of Sound and Vibration. 236. 431-441 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Honglin, He., Sekine, T., Kobayashi, T., Hirosaki, H. and Suzuki, I.: "Shock-induced phase transition of β-Si_3N_4 to c-Si_3N_4"Physical Review. B62. 11412-11417 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Hanayama, Y. and Kimura, M.: "Sound velocities in helium-argon mixed gas"Science and Technology of High Pressure. 1. 372-375 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Kimura, M. and Hanayama, Y.: "Sound velocities in tungsten carbide under high pressure and temperature"Science and Technology of High Pressure. 2. 814-817 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Ohno, I., Kimura, M., Hanayama, Y., Oda, H., and Suzuki, I.: "Pressure dependence of the elasticity of a steel sphere measured by the cavity resonance Method"Journal of the Acoustical Society of America. 110. 830-836 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Katsura, T., Mayama, N., Shouno, K., Sasaki, M., Yoneda, A. and Suzuki, I.: "Temperature derivatives of elastic moduli of (Mg_<0.91>Fe_<0.09>)_2SiO_4 modified Spinel"Physics of the Earth and Planetary Interiors. 124. 163-166 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Yoneda, A.: "Intrinsic eigenvibration frequency in the resonant ultrasound spectroscopy : Evidence for a coupling vibration between a sample and transducers"Earth, Planets and Space. 54. 763-770 (2002)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 2004-04-14  

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