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Showing 1–7 of 7 results
Advanced filters: Author: Marios D. Demetriou Clear advanced filters

  • Metallic glasses can be softened to different shapes whilst maintaining mechanical properties, and the related thermoplastic processing requires a heating source and an applied force. Here, the authors show an effective thermoplastic approach by a coupling between electric pulses and a magnetic field.

    • Georg Kaltenboeck
    • Marios D. Demetriou
    • William L. Johnson
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-7

  • Metallic glasses are strong but at the same time are brittle once they yield. A new Pd-based metallic glass now shows significantly enhanced fracture toughness. The unique combination of yield strength and toughness makes this glass comparable to the toughest as well as strongest materials known.

    • Marios D. Demetriou
    • Maximilien E. Launey
    • Robert O. Ritchie
    Research
    Nature Materials
    Volume: 10, P: 123-128

  • Plastic yielding of metallic glasses is mediated by strain softening, which promotes localized failure and impairs engineering predictability. Unravelling the mechanisms associated with this plastic flow behaviour lays the groundwork for reliable engineering design of this elusive material.

    • Marios D. Demetriou
    News & Views
    Nature Materials
    Volume: 21, P: 388-389