LaNi5-xAlx(x＝0,0.3)合金吸放氢循环床体壁应力的实验研究

稀有金属材料与工程, 2001, 30(2): 153-156.

LaNi5-xAlx(x＝0,0.3)合金吸放氢循环床体壁应力的实验研究

敖冰云 ^1, , 蒋国强 ^2, , 陈世勋 ^3, , 高克勤 ^4,

1.中国工程物理研究院

2.中国工程物理研究院

3.中国工程物理研究院

4.中国工程物理研究院

关键词： LaNi5xAlx吸放氢循环壁应力贮氢床

Wall Stress Induced by Ab-/Desorbing Hydrogen of LaNi5-xAlx (x＝ 0, 0. 3) Hydrogen Storage Bed

采用电阻应变测量法研究了LaNi5-xAlx系列合金吸放氢循环床体壁应力与循环次数、贮氢容量、壁厚以及松装比的关系。结果表明：松装比大和壁薄的贮氢床应力要大；且随吸放氢循环的进行,壁应力增大更明显；在贮氢量达到一定值后,壁应力才缓慢增大。

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