Abstract:It is difficult to control the composition of SiC in the process of preparing C19400-SiC composites. The electromagnetic stirring method is introduced in the experiment.The experimental results show that the electromagnetic stirring technology promotes the addition of SiC in the alloy,and the grain size of C19400-SiC composites is reduced by 40%.In addition, after using electromagnetic stirring, the hardness of the composite material is slightly increased, and the electrical conductivity is improved.