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难活化储氢材料TiFe合金的表面改性
Surface Modification of TiFe Alloy For Hydrogen Sorption
【摘要】 用少量LaNi5与TiFe合金进行有控制的机械合金化处理,使LaNi5与TiFe合金粒子结合在一起而形成复合 TiFe-LaNi5粒子.这种复合 TiFe-LaNi5粒子在室 温4MPa氢压下一次完全活化.LaNi5合金粒子提供了氢进入TiFe合金粒子内部的“窗口”和“通道”.
【Abstract】 A small amount of LaNi5, is alloyed with Ti-Fe alloy by mechanical means under control to form TiFe-LaNi5, composite particles, which can be totally activated at one go at room temperature under 4MPa hydrogen pressure. LaNi5, alloy paricles provide "window" and "passage" for hydrogen to enter TiFe alloy particles.
【关键词】 储氢材料;
表面改性;
复合TiFe-LaNi5粒子;
【Key words】 hydrogen sorptive material; surface modification; TiFe-LaNi5, composite particles;
【Key words】 hydrogen sorptive material; surface modification; TiFe-LaNi5, composite particles;
【基金】 国家自然科学基金!(59671027)
- 【文献出处】 材料科学与工艺 ,MATERIAL SCIENCE AND TECHNOLOGY , 编辑部邮箱 ,1999年02期
- 【分类号】TG139.7
- 【被引频次】10
- 【下载频次】225