Geophysics

Presentations

• Shock induced melting of silica: Hugoniot states, sound speeds, and Grüneisen parameter to 154 GPa

  ORAL

  June 22, 2023, 4:45 PM – June 22, 2023, 5:00 PM

  Presenters

  • Ian K Ocampo

    Princeton University

  Authors

  • Ian K Ocampo

    Princeton University

  • Michael Winey

    Washington State University

  • Thomas S Duffy

    Princeton University

  View abstract →

• Novel Experiments to Measure the Viscosity of MgO at Lower Mantle Conditions

  ORAL

  June 22, 2023, 5:00 PM – June 22, 2023, 5:15 PM

  Publication: Planned paper submission mid to late 2023

  Presenters

  • Tyler M Perez

    Johns Hopkins University

  Authors

  • Tyler M Perez

    Johns Hopkins University

  • Raymond F Smith

    Lawrence Livermore Natl Lab

  • Sonya C Dick

    University of Michigan

  • Jon H Eggert

    Lawrence Livermore Natl Lab, LLNL, Lawrence Livermore National Lab

  • Michael Wadas

    University of Michigan

  • Eric Johnsen

    University of Michigan

  • Peter M Celliers

    Lawrence Livermore Natl Lab

  • June K Wicks

    Johns Hopkins University

  View abstract →

• Shock-ramp compression of (Mg,Fe)O up to Earth's core conditions

  ORAL

  June 22, 2023, 5:15 PM – June 22, 2023, 5:30 PM

  Presenters

  • Hannah Bausch

    Northwestern University

  Authors

  • Hannah Bausch

    Northwestern University

  • Joshua P Townsend

    Sandia National Laboratories

  • Sakun Duwal

    Sandia National Laboratories

  • Chad A McCoy

    Sandia National Laboratories

  • Jean-Paul Davis

    Sandia National Laboratories

  • Tirzah Abbott

    Northwestern University

  • Alisha N Clark

    University of Colorado, Boulder

  • Steven D Jacobsen

    Northwestern University

  View abstract →

• Strain-rate effects on the fcc-to-hcp transition of Fe-10wt%Ni alloy at high-pressure and -temperature

  ORAL

  June 22, 2023, 5:30 PM – June 22, 2023, 5:45 PM

  Presenters

  • Yanyao Zhang

    Stanford University

  Authors

  • Yanyao Zhang

    Stanford University

  • Silvia Pandolfi

    Sorbonne University

  • Stella Chariton

    University of Chicago

  • Vitali Prakapenka

    University of Chicago

  • Arianna E Gleason

    SLAC - Natl Accelerator Lab

  • Wendy L Mao

    Stanford Univ

  View abstract →

• Strain-induced olivine-ringwoodite phase transformation at room temperature in rotational diamond anvil cell: Implication for deep-focus earthquake mechanism

  ORAL

  June 22, 2023, 5:45 PM – June 22, 2023, 6:00 PM

  Publication: Levitas V.I. Resolving puzzles of the phase-transformation-based mechanism of the deep-focus earthquake. Nature Communications, 2022, Vol. 13, 6291.
  
  Levitas V.I. High-Pressure Phase Transformations under Severe Plastic Deformation by Torsion in Rotational Anvils. Material Transactions, 2019, Vol. 60, No. 7, 1294-1301, invited review.
  
  Lin F., Levitas V.I., Pandey K.K., Yesudhas S., and Park C. Rough diamond anvils: Steady microstructure, yield surface, and transformation kinetics in Zr. August 16, 2022, 31 pp.
  https://doi.org/10.48550/arXiv.2208.08022.
  

  Presenters

  • Feng Lin

    Iowa State University-Aerospace Engineering

  Authors

  • Feng Lin

    Iowa State University-Aerospace Engineering

  • Valery I Levitas

    Iowa State University

  • Sorb Yesudhas

    Iowa State University-Aerospace Engineering

  • Jesse S Smith

    Argonne National Laboratory

  View abstract →