摘要
Fe-Co rich particles in the Alnico8 samples thermomagnetically treated for various times at 800 °C have been found to be of self-similarity and of fractal characteristics both in two-dimensional space and three-dimensional space. Fe-Co rich particles for 1.5, 3 and 5 min treatment have also shown a different fractal nature both in two-dimensional space and three-dimensional space as compared with the case for 10 min, which implies that Fe-Co rich particles evolve through different kinetic mechanisms. The fractal dimensions for 1.5, 3 and 5 min as well as 10 min treatment derived from the SAXS data in three-dimensional space are in agreement with the theoretical dimensions for two models introduced respectively. The fractal dimensions in two-dimensional space greater than the theoretical ones for two models can be attributed to the strong anisotropy of Fe-Co rich particle evolution in three-dimensional space.
Fe-Co rich particles in the Alnico8 samples thermomagnetically treated for various times at 800 °C have been found to be of self-similarity and of fractal characteristics both in two-dimensional space and three-dimensional space. Fe-Co rich particles for 1.5, 3 and 5 min treatment have also shown a different fractal nature both in two-dimensional space and three-dimensional space as compared with the case for 10 min, which implies that Fe-Co rich particles evolve through different kinetic mechanisms. The fractal dimensions for 1.5, 3 and 5 min as well as 10 min treatment derived from the SAXS data in three-dimensional space are in agreement with the theoretical dimensions for two models introduced respectively. The fractal dimensions in two-dimensional space greater than the theoretical ones for two models can be attributed to the strong anisotropy of Fe-Co rich particle evolution in three-dimensional space.
