【摘要】 简要回顾了稀土硬质合金刀具材料的发展过程，归纳了稀土元素在硬质合金刀具材料中的作用机理。论述了稀土硬质合金刀具材料在力学性能和切削性能方面的最新进展，并探讨了今后的发展方向。更多还原

【Abstract】 The developing course of rare-earth cemented carbide tool materials has been briefly reviewed in this paper, Meanwhile, acting mechanisms of rare-earth elements in cemented carbide tool materials have been smmarized. The lastest developments of mechanical properties and cutting performances of the materials and their future research directions are discussed更多还原