Study on the characteristics of PCBN materials at home and abroad

摘要： The main developments and research of polycrystalline cubic boron nitride(PCBN)products are reviewed based on categories,binders,microstructure homogeneity and impact toughness.Moreover,new materials such as nanopolycrystalline CBN and non-binder PCBN are introduced,including characteristics and future applications. （共6頁）