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Related Experiment Video

Updated: Jan 8, 2026

Non-invasive 3D-Visualization with Sub-micron Resolution Using Synchrotron-X-ray-tomography
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High-speed X-ray tomography for 4D imaging.

Ivan Grega1, William Whitney2, Vikram Sudhir Deshpande1

  • 1Department of Engineering, University of Cambridge, Cambridge CB2 1PZ, United Kingdom.

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|December 19, 2025
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Summary
This summary is machine-generated.

This study introduces a novel method combining neural rendering and volume correlation for high-rate 3D material deformation analysis. It enables unprecedented spatiotemporal imaging of dynamic processes using X-ray systems.

Keywords:
dynamicneural renderingtomography

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Area of Science:

  • Materials Science
  • Imaging Technology
  • Computational Mechanics

Background:

  • High-rate spatiotemporal deformation analysis in 3D is challenging with current X-ray imaging.
  • Accurate reconstruction of complex material evolutions requires advanced techniques.

Purpose of the Study:

  • To develop a methodology for accurately reconstructing high-rate 3D spatiotemporal structural evolutions.
  • To demonstrate the method's fidelity and versatility for various materials.
  • To extend imaging capabilities to faster timescales.

Main Methods:

  • Combines neural rendering techniques with volume correlation methods.
  • Utilizes laboratory-based X-ray tomography.
  • Employs a stereo X-ray concept to eliminate object rotation.

Main Results:

  • Successfully reconstructed complex, high-rate 3D spatiotemporal structural evolutions without pretraining.
  • Captured the 3D growth of a high-rate crush band in microarchitected solids on a sub-100 ms timescale.
  • Extended the technique to significantly faster timescales by eliminating object rotation.

Conclusions:

  • The neural rendering framework offers a versatile solution for observing dynamic material behaviors.
  • Opens possibilities for studying viscoelastic responses in biological materials and battery failure.
  • Enables 3D dynamic process investigations using standard laboratory X-ray systems.