Abstract
In this investigation, the individual and synergetic influences of the SiC whiskers and WC particles on the various features of TiC were studied. Fully dense specimens were secured when 40 vol% SiC additive was added to the TiC and TiC-WC systems. The nucleation and growth of the new SiC grains were found as the two main mechanisms positively affecting the sinterability of TiC. Although WC particles were completely dissolved into the TiC matrix in the TiC-WC system, they were entrapped in the newly grown SiC grains in the TiC-WC-SiC system, contributing to strengthening of the specimen. The highest values of flexural strength (590 MPa) and Vickers hardness (2525 HV0.5 kg) were attained for the sample codoped with SiC whiskers and WC particles.
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