中文摘要：

总结和分析了近几年来国内纳米加工过程中金刚石刀具磨损的研究方法，简要阐述了分子动力学模拟的基本原理及其应用情况，评述了分子动力学等模拟方法在金刚石刀具的热及化学磨损等方面的最新研究进展，指出了目前研究过程中存在的一些问题，以及今后研究中值得注意的几个发展方向．

英文摘要：

Tool wear is a significant factor affecting the quality of machined surface. Advanced methods about experiment of diamond tool wear in recent years for nanometric machining are summarized comprehensively and analyzed in detail. Fundamental and application of molecular dynamics are elucidated briefly, the latest research development about the effect of heat and chemical on the diamond tool wear with the aid of molecular dynamics simulation method are reviewed. The existent problems in present investigation are pointed out for the state-of-art of tool wear in nanometric cutting process, some suggestion to which should be paid attention in future for further study on tool wear are commented.