以液相渗硅工艺为手段制备了C/C-SiC复合材料.分别采用MMW-1A与MM-1000型试验机对复合材料的摩擦磨损性能进行了研究.结果表明:在实验室条件下,当压力恒定在0.48 MPa时,转速对复合材料的摩擦磨损的性能影响甚微,摩擦系数为0.15～0.16,且磨损率接近;当转速恒定在0.3 rn/s时,不同压力条件下的摩擦系数相近,为0.13～0.15,但磨损率存在较大差异,材料磨损以磨粒磨损为主.在近工况条件下,C/C-SiC复合材料的摩擦系数达到0.50,磨损率达到5.95 mg/次,摩擦曲线表现为典型的马鞍形曲线,试验前期材料磨损主要表现为磨粒磨损,试验后期为粘着磨损.
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