<ul><li>NIMS has succeeded in simulating the magnetization reversal of Nd-Fe-B magnets using tomographic data obtained by electron microscopy.</li><li>New tomography-based models can guide the development of sustainable permanent magnets with ultimate performance.</li><li>A tomography-based approach was proposed to reconstruct the microstructure of ultrfine-grained Nd-Fe-B magnets, allowing for accurate micromagnetic simulations.</li><li>The developed model serves as a digital twin of Nd-Fe-B magnets and can be used for designing high-performance permanent magnets.</li></ul>

Tomography-based digital twins of Nd-Fe-b magnets

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