以钛铁矿为原料,在等离子体和微波场的分步作用下,制得了纳米碳管/碳化钛复合粉体材料。通过研究纳米碳管的等离子体生长工艺和微波强制碳化工艺,得出了合理的制备条件:制备纳米碳管的条件为微波功率550W,腔体内压强5kPa左右,CH4流量2.3mL.min-1,H2流量45mL.min-1,处理时间40min。强制碳化处理阶段,微波功率900W,时间20min。结果表明,纳米碳管/碳化钛复合镀层具有较高的硬度和较小的摩擦系数。 Using ilmenite as raw material, carbon nanotube / titanium carbide composite powder material was obtained under the step-by-step action of plasma and microwave field. Through researching the plasma growth process of carbon nanotubes and microwave forced carbonization process, the reasonable preparation conditions were obtained: the conditions for the preparation of carbon nanotubes are microwave power 550W, pressure inside the cavity 5kPa, CH4 flow 2.3mL.min-1, H2 flow 45mL.min-1, the processing time 40min. Forced carbonization stage, microwave power 900W, time 20min. The results show that the carbon nanotube / titanium carbide composite coating has higher hardness and smaller friction coefficient.