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Takei・Hiraga Lab

東京大学 地震研究所 物質科学研究部門
武井・平賀研究室

 本研究グループでは、固液複合系および鉱物多結晶体としての「地球」を明らかにするため、アナログ変形実験・理論モデルの構築・高温クリープ実験・化学分析・種々の微細構造解析法を用いて研究を行っています。


Publication (武井)

Takei, Y., Effects of Partial Melting on Seismic Velocity and Attenuation: A New Insight from Experiments, Annual Review of Earth and Planetary Sciences, 45, pp 447-470,
DOI:
10.1146/annurev-earth-063016-015820, 2017

Yamauchi H. and Takei Y., Polycrystal anelasticity at near-solidus temperatures, JGR, Volume 121, Issue 11, 7790-7820, DOI: 10.1002/2016JB013316, 2016


Qi C., D. L. Kohlstedt, R. F. Katz, and Y. Takei, Experimental test of the viscous anisotropy hypothesis for partially molten rocks, PNAS, 112, 41, 12616-12620, 2015


Takei Y. and R. F. Katz, Consequences of viscous anisotropy in a deforming, two-phase aggregate. Why is porosity-band angle lowered by viscous anisotropy?, Journal of Fluid Mechanics, 784, 199-224, 2015

Yasuko Takei, Fumiya Karasawa, Hatsuki Yamauchi, Temperature, grain size, and chemical controls on polycrystal anelasticity over a broad frequency range extending into the seismic range, J. Geophys. Res. 119, doi:10.1002/2014JB011146, 2014

Richard Katz and Yasuko Takei, Consequences of viscous anisotropy in a deforming, two-phase aggregate. Part 2. Numerical solutions of the full equations, Journal of Fluid Mechanics, 734, 456-485,2013

Yasuko Takei and Richard Katz, Consequences of viscous anisotropy in a deforming, two-phase aggregate. Part 1. Governing equations and linearized analysis, Journal of Fluid Mechanics, 734, 424-455, 2013


Takei, Yasuko; Fujisawa, Kazuhiro, McCarthy, Christine, Experimental study of attenuation and dispersion over a broad frequency range: 1. The apparatus, J. Geophys. Res., 116, B09204, doi:10.1029, 2011

McCarthy, Christine, Takei, Yasuko, Hiraga Takehiko, Experimental study of attenuation and dispersion over a broad frequency range: 2. The universal scaling of polycrystalline materials, J. Geophys. Res., 116, B09207, doi:10.1029, 2011

McCarthy, Christine; Takei, Yasuko, Anelasticity and viscosity of partially molten rock analogue: Toward seismic detection of small quantities of melt, Geophys. Res. Lett., 38, L18306, doi:10.1029, 2011

Yasuko Take, Stress-induced anisotropy of partially molten rock analogue deformed under quasi-static loading test, J. Geophys. Res., 115, B03204, doi:10.1029/2009JB006568-NA, 2010

Yasuko Takei and Benjamin K. Holtzman, Viscous constitutive relations of solid-liquid composites in terms of grain boundary contiguity: 1. Grain boundary diffusion control model, J. Geophys. Res., 114, B06205,doi, 2009.

Yasuko Takei and Benjamin K. Holtzman, Viscous constitutive relations of solid-liquid composites in terms of grain boundary contiguity: 2. Compositional model for small melt fractions, , J. Geophys. Res., 114, B06206,doi, 2009.

Yasuko Takei and Benjamin K. Holtzman, , Viscous constitutive relations of solid-liquid composites in terms of grain boundary contiguity: 3. Causes and consequences of viscous anisotropy, , J. Geophys. Res., 114, B06207,doi, 2009.

Shito, A., H. Shiobara, H. Sugioka, A. Ito, Y. Takei, H. Kawakatsu, and T. Kanazawa, Physical properties of subducted slab and surrounding mantle in the Izu-Bonin subduction zone based on Broadband Ocean Bottom Seismometer data, J. Geophys. Res., 114, B3, doi:10.102, 2009.

K. Fujisawa and Y. Takei, A new experimental method to estimate viscoelastic properties from ultrasonic wave transmission measurements, Journal of Sound and Vibration, 323, 609–625, 2009.

Kawakatsu, H., P. Kumar, Y. Takei, M. Shinohara, T. Kanazawa, E. Araki, Seismic Evidence for Sharp Lithosphere- Asthenosphere Boundaries of Oceanic Plates, , Science, 324, 499–502, 2009.

Yasuko Takei and Saswata Hier-Majumder , A generalized formulation of interfacial tension driven fluid migrationwith dissolution/precipitation, Earth Planet. Sci. Lett., 288, 138–148, 2009.

Yasuko Takei, Dynamics of Solid-liquid Systems in Earth’s Crust and Upper Mantle, Encyclopedia of Complexity and System Science, Springer, 2008.

Nakashima, J., Takei, Y., Hasegawa A., (2005) Quantitative analysis of the inclined low-velocity zone in the mantle wedge of northeastern Japan: A systematic change of melt-filled pore shapes with depth and its implications for melt migration, EPSL, 234, 1-2, 59-70

Takei Y., I. Shimizu, (2003) The effects of liquid composition, temperature, and pressure on the equilibrium dihedral angles of binary solid-liquid systems inferred from a lattice-like model., Phys. Earth Planet. Inter., 139, 225–242.

Takei, Y., (2002) Effect of pore geometry on Vp/Vs: From equilibrium geometry to crack, J. Geophys. Res., 107, 10.1029/2001JB000522.

Takei, Y., (2001) Stress-induced anisotropy of partially molten media inferred from experimental deformation of a simple binary system under acoustic monitoring, J. Geophys. Res., 106, 567-588.

Takei, Y., (2000) Acoustic properties of partially molten media studied on a simple binary system with a controllable dihedral angle, J. Geophys. Res., 105(B7), 16, 665–16, 682.

Takei, Y., (1998) Constitutive mechanical relations of solid-liquid composites in terms of grain-boundary contiguity, J. Geophys. Res., 103, 18183-18203.

流体の形状と地震波速度、地震学会ニュースレター、vol.12 no.6、2001年

初心者向けプレス作り入門,東京大学地震研究所技術研究報告,1, 59-64.

Contact

東京大学 地震研究所
物質科学研究部門
武井・平賀研究室

〒113-0032
東京都文京区弥生1-1-1 
東京大学地震研究所2号館

2号館404号室 武井 康子

2号館413号室 平賀 岳彦

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