摘要
简要评述了提高块体纳米金属材料的力学性能的最新研究进展,包括强度、弹性、延展性、应变强化、应变速率敏感性、蠕变、疲劳和摩擦磨损性能;总结了优化其综合力学性能的研究结果;分析了其变形机理,并探讨了纳米金属材料力学性能研究的发展趋势。
The current status of research and development on improving the mechanical properties of the bulk nano crystalline metals is summarized in this article, including the strength, elasticity, ductility, strain hardening, strain-rate sensitivity, creep, fatigue and wear properties. The recent experimental studies on optimizing their synthetically mechanical properties, such as both high strength and considerable ductility, are mainly discussed. The deformation mechanisms are reviewed and the development tendency is analyzed.
出处
《材料导报》
CSCD
北大核心
2009年第1期50-54,共5页
Materials Reports
基金
国家自然科学基金(10502025)
江苏省高校自然基金(05KJB1300421)
关键词
纳米金属材料
力学性能
变形机理
nanocrystalline metals, mechanical properties, deformation mechanisms
