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A novel synthesis route towards silicon carbide whiskers with hexagonal cross-section from the precursor of hydrogen-silicone oil-divinylbenzene (H-PSO-DVB) has been firstly reported. The phase, chemical bonds and structure of the whiskers were correspondingly analyzed. The SiC whiskers with high purity show a layered structure and a gradual increase in the cross-section size. In view of the presence...
In this study, SiC coating for C/C composites was prepared by pack cementation method at 1773K, and MoSi2-SiOC-Si3N4 as an outer coating was successfully fabricated on the SiC coated samples by slurry method at 1273K. The microstructure and phase composition of the coatings were analyzed. Results showed that a porous β-SiC inner coating and a crack-free MoSi2-SiOC-Si3N4 coating are formed. Effect...
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