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Ultrafast visualization of incipient plasticity in dynamically compressed matter

Author

Listed:
  • Mianzhen Mo

    (SLAC National Accelerator Laboratory)

  • Minxue Tang

    (Southwest Jiaotong University)

  • Zhijiang Chen

    (SLAC National Accelerator Laboratory)

  • J. Ryan Peterson

    (SLAC National Accelerator Laboratory
    Stanford University)

  • Xiaozhe Shen

    (SLAC National Accelerator Laboratory)

  • John Kevin Baldwin

    (Los Alamos National Laboratory)

  • Mungo Frost

    (SLAC National Accelerator Laboratory)

  • Mike Kozina

    (SLAC National Accelerator Laboratory)

  • Alexander Reid

    (SLAC National Accelerator Laboratory)

  • Yongqiang Wang

    (Los Alamos National Laboratory
    Los Alamos National Laboratory)

  • Juncheng E

    (European XFEL GmbH)

  • Adrien Descamps

    (SLAC National Accelerator Laboratory
    Stanford University)

  • Benjamin K. Ofori-Okai

    (SLAC National Accelerator Laboratory)

  • Renkai Li

    (SLAC National Accelerator Laboratory)

  • Sheng-Nian Luo

    (Southwest Jiaotong University)

  • Xijie Wang

    (SLAC National Accelerator Laboratory)

  • Siegfried Glenzer

    (SLAC National Accelerator Laboratory)

Abstract

Plasticity is ubiquitous and plays a critical role in material deformation and damage; it inherently involves the atomistic length scale and picosecond time scale. A fundamental understanding of the elastic-plastic deformation transition, in particular, incipient plasticity, has been a grand challenge in high-pressure and high-strain-rate environments, impeded largely by experimental limitations on spatial and temporal resolution. Here, we report femtosecond MeV electron diffraction measurements visualizing the three-dimensional (3D) response of single-crystal aluminum to the ultrafast laser-induced compression. We capture lattice transitioning from a purely elastic to a plastically relaxed state within 5 ps, after reaching an elastic limit of ~25 GPa. Our results allow the direct determination of dislocation nucleation and transport that constitute the underlying defect kinetics of incipient plasticity. Large-scale molecular dynamics simulations show good agreement with the experiment and provide an atomic-level description of the dislocation-mediated plasticity.

Suggested Citation

  • Mianzhen Mo & Minxue Tang & Zhijiang Chen & J. Ryan Peterson & Xiaozhe Shen & John Kevin Baldwin & Mungo Frost & Mike Kozina & Alexander Reid & Yongqiang Wang & Juncheng E & Adrien Descamps & Benjamin, 2022. "Ultrafast visualization of incipient plasticity in dynamically compressed matter," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-28684-z
    DOI: 10.1038/s41467-022-28684-z
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    References listed on IDEAS

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    1. Paul Loubeyre & Florent Occelli & Paul Dumas, 2020. "Synchrotron infrared spectroscopic evidence of the probable transition to metal hydrogen," Nature, Nature, vol. 577(7792), pages 631-635, January.
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