Effects of nano-graphite content on the characteristics of spark plasma sintered ZrB^sub 2^–SiC composites

In this study, ZrB2–25 vol% SiC composite containing 0, 2.5, 5, 7.5 and 10 wt% graphite nano-flakes were prepared by spark plasma sintering (SPS) process at 1900 °C for 7 min under 40 MPa. The fabricated composite samples were compared to examine the influences of nano-graphite content on the densif...

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