AB5型储氢合金性能波动的原因探析

1.北京有色金属研究总院,北京100088

2.北京有色金属研究总院,北京100088

3.北京有色金属研究总院,北京100088

4.北京有色金属研究总院,北京100088

5.北京有色金属研究总院,北京100088

6.北京有色金属研究总院,北京100088

Investigation on Performance Fluctuation of AB5-type Hydrogen Storage Alloys

通过研究稀土原料中的杂质及合金的微观组织,探讨了用感应炉批量生产AB5型储氢合金性能波动的可能原因.储氢合金的性能由合金的成分、微观组织和表面状态决定.合金性能波动除受浇铸时的冷却条件影响外,还与稀土原料中铁、镁等杂质及熔炼工艺因素(包括单位产量、熔炼温度、时间气氛及炉频等因素)有关.

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