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Showing 1–7 of 7 results
Advanced filters: Author: Fernando Maccari Clear advanced filters

  • Rare-earth permanent magnets are engineered with a complex microstructure of composition and phase, grains and grain boundaries, and it is this complex structure which leads to the magnetic performance. Here, Giron and coauthors, through thorough microstructural analysis, demonstrate that the grain microstructure, not grain boundaries, are primarily responsible for optimal magnetic properties.

    • Stefan Giron
    • Nikita Polin
    • Konstantin P. Skokov
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-13

  • High-performance magnets are essential for energy conversion, but rare earth dependence and brittleness limit their use. Here, authors develop a rare earth-free magnet with enhanced magnetic and mechanical properties by introducing nano-lamellar structures via thermo-magnetic processing.

    • Liuliu Han
    • Jin Wang
    • Dierk Raabe
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-11

  • Designing soft magnets with yield strengths exceeding one gigapascal while remaining ductile to prevent irreversible deformation for safe and efficient operation is challenging. The authors address this challenge by employing a nanostructuring strategy with morphologically anisotropic precipitates.

    • Liuliu Han
    • Nicolas J. Peter
    • Dierk Raabe
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-13

  • Soft magnetic materials are critical components of electric motors, generators and transformers, however obtaining a material that is magnetically soft, but mechanically robust and stable at high temperature is very difficult. Here, Han et al succeed in combining these disparate properties by introducing ferromagnetic Widmanstätten patterned intermetallic precipitates into a ferromagnetic alloy matrix.

    • Liuliu Han
    • Fernando Maccari
    • Dierk Raabe
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-10

  • An iron–cobalt–nickel–tantalum–aluminium multicomponent alloy with ferromagnetic matrix and paramagnetic coherent nanoparticles is described, showing high tensile strength and ductility, along with very low coercivity.

    • Liuliu Han
    • Fernando Maccari
    • Dierk Raabe
    ResearchOpen Access
    Nature
    Volume: 608, P: 310-316