3. Results and discussion
3.1. Microstructure
The XRD result shows that the as-prepared powder is mainly composed of (Mo, W)Si2 and SiC phases. SEM photos and EDS results show that SiC whiskers are formed during this COSHS process. The results of as-prepared powder by COSHS technique have been published elsewhere [20].
From our experimental results, we believe that there are two main reactions in our system