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SHP-Structural Study

FOCUS · R06 · ID: 1458467

Presentations

  • Time Resolved Transformation Kinetics of the BCC to HCP Transition in Iron Using Piezo- Driven Compression

    ORAL

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    Presenters

    • John A Copley

      Princeton University

    Authors

    • John A Copley

      Princeton University

    • Jesse S Smith

      Argonne National Laboratory

    • Guoyin Shen

      Argonne National Laboratory

    • Nenad Velisavljevic

      HPCAT, X-ray Science Division, Argonne National Laboratory, Argonne, IL 60439, Argonne National Laboratory, Lawrence Livermore National Laboratory, Lawrence Livermore National Laboratory and Argonne National Laboratory, LLNL

    • Thomas S Duffy

      Princeton University

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  • In-situ synchrotron X-ray study of shear-induced phase transformation of bismuth using a high-speed rotational diamond anvil cell (HS-RDAC)

    ORAL

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    Presenters

    • Tingkun Liu

      Pacific Northwest National Laboratory

    Authors

    • Tingkun Liu

      Pacific Northwest National Laboratory

    • Arun Devaraj

      Pacific Northwest National Laboratory

    • Changyong Parks

      Argonne National Laboratory, HPCAT, X-ray Science Division, Argonne National Laboratory, Argonne, Illinois 60439, USA

    • Stanislav Sinogeikin

      DAC tools, LLC

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  • Pressure- and plastic strain-induced phase transformations in silicon: drastic reduction of transformation pressures, change in transformation sequence, and particle size effect

    ORAL

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    Publication: 1. V. I. Levitas, Material Transactions, 60, 1294 (2019)<br>2. V. I. Levitas, Physical Review B, 70, 184118 (2004)

    Presenters

    • Sorb A Yesudhas

      Iowa State University

    Authors

    • Sorb A Yesudhas

      Iowa State University

    • Valery I Levitas

      Iowa State University

    • Feng Lin

      Iowa State University-Aerospace Engineering

    • K.K. K Pandey

      Scientist, High Pressure & Synchrotron Radiation Physics Division, Bhabha Atomic Research Centre, Mumbai 400085, India, Bhabha Atomic Research Centre

    • Jesse S Smith

      Argonne National Laboratory

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  • Study of Martensitic Phase Transformation in Silicon and Zirconium Using Scale-Free Phase-Field Model

    ORAL

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    Publication: 1. Babaei H., Levitas V.I. Finite-strain scale-free phase-field approach to multivariant martensitic phase transformations with stress-dependent effective thresholds. J. Mech. Physics Solids, 2020, 144, 104114. <br>2. Pandey K. K., Levitas V. I. In situ quantitative study of plastic strain-induced phase transformations under high pressure: Example for ultra-pure Zr. Acta Materialia, 2020, 196, 338-346.<br>3. Levitas V.I., Chen H., Xiong L. Lattice instability during phase transformations under multiaxial stress: modified transformation work criterion. Phys. Rev. B, 96, 054118 (2017).<br>4. Zarkevich N. A., Chen H., Levitas V.I., and Johnson D. D. Lattice instability during solid-solid structural transformations under general applied stress tensor: example of Si I?Si II with metallization. Phys. Rev. Lett., 121, 165701 (2018).<br>5. Chen H., Zarkevich N. A., Levitas V. I., Johnson D. D., and Zhang X. Fifth-degree elastic energy for predictive continuum stress-strain relations and elastic instabilities under large strain and complex loading in silicon. NPJ Computational Materials. (2020) 6, 115.<br>6. Levitas V.I., Esfahani S.E., and Ghamarian I. Scale-free modeling of coupled evolution of discrete dislocation bands and multivariant martensitic microstructure. Phys. Review Lett., 121, 20570 (2018).<br>7. Esfahani S.E., Ghamarian I., Levitas V.I. Strain-induced multivariant martensitic transformations: A scale-independent simulation of interaction between localized shear bands and microstructure. Acta Materialia, 2020, 196, 430-443.

    Presenters

    • Raghunandan Pratoori

      Iowa State University

    Authors

    • Raghunandan Pratoori

      Iowa State University

    • Hamed Babaei

      Iowa State University

    • Valery I Levitas

      Iowa State University

    View abstract →