| V55Ti20.5Cr18.1Fe6.4合金的吸放氢循环性能研究 |
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| 引用本文： | 梁浩,陈云贵,严义刚,吴朝玲,陶明大,涂铭旌.V55Ti20.5Cr18.1Fe6.4合金的吸放氢循环性能研究[J].稀有金属材料与工程,2006,35(9):1375-1378. |
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| 作者姓名： | 梁浩 陈云贵 严义刚 吴朝玲 陶明大 涂铭旌 |
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| 作者单位： | 四川大学,四川,成都,610065 |
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| 基金项目： | 四川省攀枝花市科技局资助项目 |
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| 摘 要： | 对V55Ti20.5Cr18.1Fe6.4（原子分数，下同）贮氢合金进行了155次吸放氢循环性能实验研究。结果表明：随循环次数的增加，合金吸放氢量减小，放氢量的衰减呈减缓趋势，放氢平台区缩短，平台压力增大，合金表面有影响吸放氢性能的化合物生成，合金结构呈bcc与fcc的双相结构，合金颗粒由于微裂纹的不断累积而逐渐粉化。
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| 关 键 词： | bcc贮氢合金 循环稳定性 |
| 文章编号： | 1002-185X(2006)09-1375-04 |
| 收稿时间： | 2005-10-09 |
| 修稿时间： | 2005年10月9日 |
Cyclic Properties of Hydrogen Absorption and Desorption for V55Ti20.5Cr18.1Fe6.4 Alloy |
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| Liang Hao,Chen Yungui,Yan Yigang,Wu Chaoling,Tao Mingd,Tu Mingjing.Cyclic Properties of Hydrogen Absorption and Desorption for V55Ti20.5Cr18.1Fe6.4 Alloy[J].Rare Metal Materials and Engineering,2006,35(9):1375-1378. |
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| Authors: | Liang Hao Chen Yungui Yan Yigang Wu Chaoling Tao Mingd Tu Mingjing |
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| Affiliation: | Sichuan University, Chengdu 610065,China |
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| Abstract: | The cyclic properties of hydrogen absorption and desorption in V55Ti20.5Cr18.1Fe6.4 alloy were studied. With increasing of cyclic number, the hydrogen content drops and the decay rate of hydrogen desorption content slows down. The hydrogen desorption plateau region becomes narrowed and the hydrogen desorption pressure increases with increasing of cyclic number. Some compounds deteriorating the alloy property appear on the alloy surface and the alloy shows double phase structure with of bcc and fee after cycles. The alloy grains have been pulverized gradually due to the accumulation of cracks introduced during the absorption-desorption cycles. |
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| Keywords: | V-Ti-Cr-Fe |
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