采用凝胶浇注成型工艺制备了纳米碳管/羟基磷灰石复合材料坯体.研究了pH值、分散剂、固相含量(纳米碳管和羟基磷灰石在料浆中的质量分数)、分散工艺等因素对料浆和复合材料坯体性能的影响,对坯体的力学性能进行了测试,借助扫描电镜分析了坯体的微观组织.实验发现,料浆的pH值应控制在10～12的范围内;聚甲基丙烯酸铵的浓度为0.6%时,羟基磷灰石悬浮体流动性最好;十二烷基磺酸钠的浓度在SDS/CNTs=1%～2%时,纳米碳管/羟基磷灰石复相料浆的粘度最低;采用球磨法制备的复相料浆固相含量达到55%,复合材料坯体的抗弯强度达到57.403MPa.
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