本文对纳米金属材料近几年的研究成果作了一个简要的总结,并对纳米晶体材料的晶体结构,力学性能,包括强度、塑性、应变强化、应变速率敏感性、蠕变做了一个简要的分析,并对这几方面的已研究及待解决问题作了一个简要的综述。 In this paper, we summarize the research results of nano-metallic materials in recent years and make a brief introduction to the crystal structure, mechanical properties of nanocrystalline materials, including strength, plasticity, strain hardening, strain rate sensitivity and creep Analysis, and has carried on the brief summary to these aspects already studied and the question to be solved.