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Showing 1–6 of 6 results
Advanced filters: Author: Maryam Ghazisaeidi Clear advanced filters

  • The stacking fault energy is connected to the response of crystals to deformation. Here the authors report a computational study in a model NiCo system to demonstrate the key importance of the dislocation/solute interaction for the accurate assessment of stacking fault energy in alloys beyond dilute limit.

    • Mulaine Shih
    • Jiashi Miao
    • Maryam Ghazisaeidi
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-10

  • Medium entropy alloy CoCrNi has better mechanical properties than high entropy alloys such as CrMnFeCoNi, but why that is remains unclear. Here, the authors show that a nanostructured phase at lattice defects in CoCrNi causes its extraordinary properties, while it is magnetically frustrated and suppressed in CrMnFeCoNi.

    • Changning Niu
    • Carlyn R. LaRosa
    • Maryam Ghazisaeidi
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-9

  • A fundamental understanding of fatigue-failure mechanisms is key to develop robust structural materials. Here the authors report a high entropy alloy with enhanced fatigue life by ductile transformable multicomponent B2 precipitates, as revealed by combined experimental and simulation methods.

    • Rui Feng
    • You Rao
    • Peter. K. Liaw
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-10

  • Improving the creep response of superalloys used in turbine engines is key to improving fuel efficiency and reducing carbon dioxide emissions. Here, stress-induced localized phase transformations, creating nano-laths, are found to immobilize planar defects, enhancing creep performance. Peer Review Information: Communications Materials thanks the anonymous reviewers for their contribution to the peer review of this work. Primary Handling Editor: John Plummer. A peer review file is available.

    • Ashton J. Egan
    • N. S. Harsha Gunda
    • Michael J. Mills
    ResearchOpen Access
    Communications Materials
    Volume: 6, P: 1-11