金属材料表面纳米化研究现状

金属表面纳米化是近几年发展起来的一项新技术,具有广阔的发展空间,工程上材料的失效大多来自于表面,采用表面纳米化技术有可能对表面进行强化,这对提高机械零件的使用寿命具有重要意义。文章阐述了金属表面纳米化的方法以及表面纳米化对金属材料力学性能、疲劳性能、耐磨性能、耐蚀性能、热稳定性、化学热处理性能的影响,论述了表面纳米化技术在石油工程建设中的应用及发展趋势。

Research Status Quo of Surface Nanocrystallization of Metallic Materials

Metal surface nanocrystallization is a new technology being developed in recent years and has a wide development space.In industry,most of failures of machine parts come from their surface,so it is important to explore new surface-strengthening technology in order to improve their durability.The methods of metal surface nanocrystallization and their effects on mechanical properties,fatigue,resistance of corrosion,wear resistance,anticorrosion,thermal stability and chemical heat treatment of metal materials ...