合肥工业大学材料学院研究的纳米ＴＩＮ、ＡＩＮ改性的ＴＩＣ基金属陶瓷刀具制造技术通过鉴定 ,标志着利用纳米材料制作的新型金属陶瓷刀具问世。在金属陶瓷 (ＴＩＣ碳化钛 )中主要加入纳米ＴＩＮ(氮化钛 )细化晶粒 ,根据ＨＡＬＬ -ＰＥＴＣＨ公式 ,晶粒细小有利于提高材料的强 Hefei University of Technology Institute of Materials nano-TIN, AIN-modified TIC-based ceramic tool manufacturing technology through the identification, marking the use of nano-materials made of new cermet tools come out. In the cermet (TIC titanium carbide) is mainly added to the nano-TIN (titanium nitride) grain refinement, according to HALL-PETCH formula, the fine grain is conducive to improving the material strength