研究了Al对TiFe0.9Mn0.1合金贮氢性能的影响.添加铝后,合金的饱和吸氢量降低,当铝添加量为0.3%、0.6%和1.0%(原子分数)时,饱和吸氢量分别达到TiFe0.9Mn0.1合金的97.6%、95.1%和82.9%.同时铝添加后,合金的平台压力升高,平台斜度增加.XRD衍射发现,随着铝的加入,合金晶格常数即晶胞体积下降.SEM扫描及EDAX能谱分析发现合金晶界上存在高钛相.铝的添加造成合金吸氢量的下降与合金晶胞体积的减小有关.
参考文献
| [1] | Lim S H;Lee J Y .The effects of aluminium substitution in TiFe on its hydrogen absorption. Properties[J].Journal of the Less-Common Metals,1984,97:65-71. |
| [2] | Lee S M;Peng T P .Correlation of substitutional solid solution with hydrogenation properties of. TiFe1-xMx(M=Ni, Co, Al) alloys[J].Journal of Alloys and Compounds,1999,291:354-261. |
| [3] | Nagai H;Kitagaki K;Shoji K .Micro- structure and hydride characteristics of FeTi alloys containing manganese[J].Journal of the Less-Common Metals,1987,134:275. |
| [4] | Lee S M;Erng T P .Effect of the second phase on theinitiation of hydrogenation of TiFe1-xMx (M = Cr, Mn) alloys[J].International Journal of Hydrogen Energy,1994,19:259. |
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