系统研究了(VFe)48Ti26Cr26-xMox(0≤x≤5)合金吸放氢性能及微观组织结构.XRD及PCT测试结果表明,随着Mo含量增加,合金的晶格常数增大,放氢平台压升高,吸放氢量在Mo含量0≤x≤2范围内不出现显著变化,且有效放氢量(质量分数)均能保持在2%以上.当Mo含量为1 at%时,合金吸放氢量均达到最大值,吸氢量为3.59%,放氢量为2.08%,室温下的放氢平台压为0.337 MPa.SEM与EDS分析表明,不同Mo含量的合金均由bcc主相、Laves相及稀土氧化物相组成,且Mo主要存在于合金的bcc主相中,而在Laves相中分布相对较少.
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