AB5型贮氢合金及其优化设计

AB5型贮氢合金的性能主要取决于其成分、结构和显微组织。本文从AB5型贮氢合金的晶体结构出发，详细讨论了AB5型贮氢合金在诸多方面的优化措施：（1）化学成分上，向多元合金化发展，降低合金的成本，改善合金性能；（2）结构上，偏离AB5结构，发展非化学计量比合金；（3）显微组织上，从主相向“主相＋辅相”发展；（4）工艺上，开发新的合金制备、热处理和表面改性等工艺方法；（5）改善合金使用环境；（6）研究方法上理论化、系统化。通过这些途径，可以对AB5型贮氢合金进行深入研究，进一步提高合金的性能。

Optimization of AB5 Type Hydrogen Storage Alloys

The properties of AB 5 type hydrogen storage alloys are mainly determined by the composition,structure and microstructure of the alloys In this work,the crystal structure of AB 5 type hydrogen storage alloys was studied The optimization means of AB 5 type hydrogen storage alloys were discussed in detail:(1)Optimizing the chemical compositions of A and B side so lowering the cost and improving the properties of the alloys;(2)Developing non stoichometric alloys;(3)The development of microstructures from the AB 5 type main phase to the joint of the main phase and second phase;(4)The development of new technology of fabrication,heat treament and surface modification of the AB 5 type hydrogen storage alloys;(5)Improving alloys' working circumstances;(6)The systematical and theoretical methods of research Through the ways we discussed,the AB 5 type hydrogen storage alloys are lucubrated and the properties of the alloys are further improved