(1. 桂林工學院 材料工程系， 桂林 541004；
2. 武漢理工大學 材料復(fù)合新技術(shù)國家重點實驗室， 武漢 430070)
摘 要: 采用以自蔓延高溫合成技術(shù)制備的TiC/Fe(Mo)復(fù)合粉末為添加劑增強鐵基粉末冶金材料，探討復(fù)合增強粉末中金屬相的種類、含量對增強體結(jié)構(gòu)及燒結(jié)復(fù)合材料性能的影響。結(jié)果表明，含F(xiàn)e, Mo為10%～20%的TiC/Fe(Mo)復(fù)合粉末具有較好的增強效果；在復(fù)合粉末的自蔓延高溫合成中，加入金屬Mo，有利于TiC與金屬相的潤濕，從而提高增強效果。
關(guān)鍵字: 自蔓延高溫合成； 粉末冶金； 鐵基材料； 增強
by SHS TiC composite powders
（1. Department of Materials, Guilin Institute of Technology,
Guilin 541004, P.R.China;
2. State Key Lab of Advanced Technology for Materials Synthesis and Processing,
Wuhan University of Science and Technology, Wuhan 430070, P.R.China）
Abstract:The SHS TiC/Fe(Mo) composite powder was used to reinforce the iron-based powder metallurgical materials. The effect of the kind and the amount of metals in reinforcing composite powder on powder microstructure and properties of sintered composite was studied. It is showed that TiC/Fe(Mo) powder with 10%～20% metal is good to reinforce iron-based powder metallurgical materials. In the SHS processing of composite powder, the addition of Mo is beneficial to wetting between TiC and metal, so to reinforcement.
Key words: self-propagation high-temperature synthesis; powder metallurgy; iron-based material, reinforcement
