【摘要】 从纳米材料的概念出发,对纳米晶硬质合金的显微组织和力学性能等做了阐述。纳米级硬质合金的出现是硬质合金领域中的一场革命。对纳米晶硬质合金的开发与应用作了概括,同时给出了我国纳米硬质合金材料的发展及应用前景。更多还原

【Abstract】 From the definition of nanometer material, the microstructure and the mechanical properties of nano-cemented carbide are expatiated. The emergence of nano-crystalline cemented carbide is a revolution in cemented carbide domain. In this paper, the developments and applications of the nano-crystalline cemented carbide are summarized; meanwhile, development and application tendencies of nano-cemented carbide material of our country are given.更多还原