摘要
回顾了稀土永磁材料力学特性的研究概况 ,阐明改善稀土永磁材料力学性能的重要性和迫切性。本文着重介绍了烧结稀土永磁材料的基本力学特性及其断裂机理 ,并对稀土永磁材料塑韧性差的原因进行了探讨 ,指出今后需要努力的方向。
The development of mechanical properties research in RE permanent magnetic material is reviewed The significance and urgency of improving mechanical properties of RE permanent mangnets are clarified The basic mechanical characteristics and fracture mechanism of sintered RE permanent magnetic material are intensively discussed The reasons of poor plasticity and toughness of sintered RE permanent magnets are also discussed Some suggestions for improving strength and toughness of sintered RE permanent magnetic material are mentioned
出处
《金属功能材料》
CAS
2002年第4期7-10,共4页
Metallic Functional Materials
基金
国家自然科学基金资助项目 (5 990 10 10 )
关键词
稀土永磁材料
力学性能
断裂机理
脆性
RE permanent magnetic materials,mechanical properties,fracture mechanism,brittleness