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Showing 1–5 of 5 results
Advanced filters: Author: D. KÜCHEMANN Clear advanced filters

  • Understanding the activation of the units that control plastic deformation in metallic glasses is important. Here, the authors use dynamic mechanical analysis to analyse the statistics of the activation of these units, observing a crossover from three-dimensional random activity to two-dimensional shear banding.

    • Jon-Olaf Krisponeit
    • Sebastian Pitikaris
    • Konrad Samwer
    Research
    Nature Communications
    Volume: 5, P: 1-5

  • In contrast to the long-range order of crystalline materials, non-crystalline compounds, such as metallic glasses, have a more inhomogeneous distribution of atoms on a local scale. Atomic force acoustic microscopy now demonstrates how these local variations translate into much stronger variations in local elastic properties of a metallic glass compared with its crystalline counterpart.

    • Hannes Wagner
    • Dennis Bedorf
    • Konrad Samwer
    Research
    Nature Materials
    Volume: 10, P: 439-442

  • The competition between the formation of different phases and their kinetics need to be clearly understood to make materials with on-demand and multifaceted properties. Here, the authors reveal, by a combination of complementary in situ techniques, the mechanism of a Cu-Zr-Al metallic glass’s high propensity for metastable phase formation, which is partially through a kinetic mechanism of Al partitioning.

    • Jiri Orava
    • Shanoob Balachandran
    • Ivan Kaban
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-13

    • D. KÜCHEMANN
    Books & Arts
    Nature
    Volume: 190, P: 851