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Hollow glass–ceramics microspheres (HGCM), with the diameter from 10μm to 60μm and the shell thickness less than 2μm, were successfully fabricated by a simple technique using polyacrylamide microspheres (PAM) as template. The corresponding HGCM were obtained by a thermal treatment of the core–shell microspheres, which were synthesized with organic template method. The size, morphology and phase composition...
In order to improve the mechanical properties of MoSi 2 matrix composites, carbon was added to a MoSi 2 -20 wt.% TiC composite to remove the oxygen which exists at the grain boundaries as glassy SiO 2 phase. Compared with the MoSi 2 -20 wt.% TiC composite without carbon addition, the bending strength and fracture toughness of a MoSi 2 -20 wt.% TiC-1 wt.% C composite...
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