Two mixed HfB2-ZrB2 and HfB2-HfC composites with 20 vol% MoSi2 were produced from powder mixtures and densified through pressureless sintering. Dense materials were obtained at 1900-1950°C. Microstructure and mechanical properties were compared with pressureless ultra high temperature composites containing the same amount of MoSi2.
Microstructure and properties of pressureless sintered HfB2-based composites with additions of ZrB2 or HfC
L Silvestroni;D Sciti;A Bellosi
2007
Abstract
Two mixed HfB2-ZrB2 and HfB2-HfC composites with 20 vol% MoSi2 were produced from powder mixtures and densified through pressureless sintering. Dense materials were obtained at 1900-1950°C. Microstructure and mechanical properties were compared with pressureless ultra high temperature composites containing the same amount of MoSi2.File in questo prodotto:
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