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The 3-dimensional (3D) particle geometries in sub-micrometric La0.6Sr0.4Co0.2Fe0.8O3−δ powder are obtained by high-resolution focused ion beam scanning electron microscope (FIB-SEM) tomography. Irregularly shaped particles are represented with volume equivalent single spheres (single-sphere model) or clumped multispheres (multi-sphere model), based on their 3D geometries. The discrete element method...
The effect of volume fraction, size and homogeneity of rigid non-sintering inclusions on the densification behavior of the matrix is investigated using discrete element simulations at the particle length scale. It is found that the densification rate of the matrix decreases with increasing volume fraction of inclusions and with decreasing size of inclusions. For a given volume fraction and size of...
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