Seismic attenuation measurement by cyclic loading under high pressure and temperature

Takashi Yoshino, Daisuke Yamazaki, Yuji Higo, Ken Ichi Funakoshi

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

An experimental method to study the seismic attenuation factor (Q-1) and anelastic properties of materials at high pressure and high temperature has been established by using the multianvil high-pressure deformation device (D-DIA) and a synchrotron X-ray radiography at SPring8. Time resolved images of the sample and reference material provide their strain as a function of time during cyclic loading. Attenuation is determined as the tangent of the angle of phase lag between the sample and the reference material. A newly installed short period sinusoidal cyclic loading oil pressure system enable us to determine minimal strain of the sample in a wide frequency range from 2 to 0.01 hertz on olivine aggregates at 1 GPa and up to 1673 K. The detectable minimum strain is around 5×10-5. Several test experiments exhibited resolvable Q-1 (10-2) above 1273 K. The results are generally consistent with previously reported data.

Original languageEnglish
Pages (from-to)126-135
Number of pages10
JournalReview of High Pressure Science and Technology/Koatsuryoku No Kagaku To Gijutsu
Volume24
Issue number2
DOIs
Publication statusPublished - 2014

Fingerprint

attenuation
X ray radiography
Olivine
radiography
Synchrotrons
tangents
olivine
Temperature
Oils
synchrotrons
time lag
oils
frequency ranges
x rays
Experiments
temperature

Keywords

  • D-DIA
  • Q value
  • Seismic attenuation
  • Shear modulus
  • Short period
  • X-ray radiography

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Materials Science(all)
  • Chemistry(all)

Cite this

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abstract = "An experimental method to study the seismic attenuation factor (Q-1) and anelastic properties of materials at high pressure and high temperature has been established by using the multianvil high-pressure deformation device (D-DIA) and a synchrotron X-ray radiography at SPring8. Time resolved images of the sample and reference material provide their strain as a function of time during cyclic loading. Attenuation is determined as the tangent of the angle of phase lag between the sample and the reference material. A newly installed short period sinusoidal cyclic loading oil pressure system enable us to determine minimal strain of the sample in a wide frequency range from 2 to 0.01 hertz on olivine aggregates at 1 GPa and up to 1673 K. The detectable minimum strain is around 5×10-5. Several test experiments exhibited resolvable Q-1 (10-2) above 1273 K. The results are generally consistent with previously reported data.",
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AU - Yamazaki, Daisuke

AU - Higo, Yuji

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N2 - An experimental method to study the seismic attenuation factor (Q-1) and anelastic properties of materials at high pressure and high temperature has been established by using the multianvil high-pressure deformation device (D-DIA) and a synchrotron X-ray radiography at SPring8. Time resolved images of the sample and reference material provide their strain as a function of time during cyclic loading. Attenuation is determined as the tangent of the angle of phase lag between the sample and the reference material. A newly installed short period sinusoidal cyclic loading oil pressure system enable us to determine minimal strain of the sample in a wide frequency range from 2 to 0.01 hertz on olivine aggregates at 1 GPa and up to 1673 K. The detectable minimum strain is around 5×10-5. Several test experiments exhibited resolvable Q-1 (10-2) above 1273 K. The results are generally consistent with previously reported data.

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