分别调整Ti/Cr比及V含量,对V-Ti-Cr-Fe系四元合金的室温吸放氢性能进行了研究.结果表明:随V30Ti31+xCr29-xFe10合金中Ti/Cr增大,合金吸氢量增大,放氢平台压降低,Ti/Cr＞1.2时放氢量减小,298K最大吸氢量3.66%(质量),最大放氢量2.0%(质量);随Vx(TiCrFe)100-x(Ti:Cr:Fe=7:5:2)中V含量增大,合金吸氢量增大,放氢量增大,放氢平台压降低,V含量20%(原子)的合金中出现Laves相,298K最大吸氢量3.73%(质量),最大放氢量2.08%(质量).
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