采用热压工艺制备了Al2O3/TiC/CaF2自润滑陶瓷材料,研究了其力学、摩擦学性能.结果表明:当CaF2含量为10%时,Al2O3/TiC/CaF2自润滑陶瓷材料的强度和硬度最高,分别达到了589 MPa和1 537 HV.Al2O3/TiC/CaF2自润滑陶瓷材料的晶粒大小均匀,基体组织成网状结构,有利于提高材料的强度.室温干摩擦条件下,当CaF2含量为10%时,摩擦因数最低,约为0.28左右;CaF2含量为15%的陶瓷反而具有较大的摩擦因数,达到了0.32左右.
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