SiOC microcellular ceramic foams possessing
soft-ferromagnetic properties were produced from a preceramic
polymer, poly-methyl-methacrylate microbeads
(PMMA) (used as sacrificial pore formers) and iron silicide
micro-powders (as functional filler). The interactions
between the matrix and the filler were studied as a function
of the amount of powders introduced and the pyrolysis
temperature. Magnetic and mechanical properties were also
investigated
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