研究铸态Ti-Zr-Ni准晶体的贮氢特性.Ti40Zr40Ni20合金在吸铸条件下形成了近单一的二十面体准晶相(IQC相),其吸氢坪台压力在170 ℃时约20 kPa,160 ℃时只有0.6 kPa,吸氢量为0.8%(质量分数);而Ti45Zr38Ni17合金在同样条件下则形成了IQC、MgZn2结构的C14 Laves相与体心立方结构的β-(Ti, Zr)固溶相,它可实现室温贮氢,150 ℃时贮氢量达到4%,且具有较好的吸氢动力学.结果表明,合金成分与制备方法对Ti-Zr-Ni准晶的贮氢特性有较大影响.
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