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2002
Journal Article
Titel
Effects of high energy milling on densification behaviour of Mo-Si powder mixtures during pressureless sintering
Abstract
The present paper reports on basic investigations of the controlled reaction sintering of MoSi/sub 2/-based materials, including particle reinforced composites. It is shown, that certain amounts of pre-formed silicide phase in the powder mixtures are useful to achieve high densities by pressureless sintering of green compacts. This partial phase formation of alpha MoSi/sub 2/ can already take place during the mechanical treatment of the elemental powder mixtures by milling. In this context the role of volume changes linked with the phase formations is discussed.