【摘要】 本文综述了稀土元素的添加方式、种类和形态及其对硬质合金刀具材料微观结构和力学性能的影响，指出了目前研究中存在的问题，并探讨了该领域今后的发展方向。更多还原

【Abstract】 The addition of rare earth elements,including addition ways,kinds and forms of these elements,into the cemented carbide tool materials and their effects on the microstructure and mechanical properties of the tool materials have been reviewed comprehensively.Problems existed in the current research are pointed out,and future research directions in this field are also discussed更多还原