浙江大学材料科学与工程学系,杭州,310027
网络首发:2008-01-10,
纸质出版:2008
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杭州明 1, 郑坊平 2, 王春涛 3, 等. 球磨改性处理对Ti9.6Cr11V75.4Fe4合金储氢性能的影响[J]. 西安交通大学学报, 2008,42(1):114-118.
杭州明 1, 郑坊平 2, 王春涛 3, et al. Influence of Ball-Milling on Hydrogen Storage Properties of Ti9.6V75.4Cr11Fe4 Alloy[J]. 2008, 42(1): 114-118.
系统研究了机械球磨改性处理时间(t=0
1
2
4
8 h)对Ti
9.6
Cr
11
V
75.4
Fe
4
合金相结构和储氢性能的影响.XRD及扫描电镜分析表明
Ti
9.6
Cr
11
V
75.4
Fe
4
合金在球磨前后均为体心立方结构的固溶体单相
随着球磨时间的增加
合金的晶胞体积略微减小
合金颗粒逐渐细化并发生团聚.储氢性能测试表明
球磨改性处理能有效地改善合金的活化性能
随着球磨时间的增加
合金的室温可逆有效储氢量先增加后降低.其中
当球磨时间为2 h时
合金具有最佳的综合储氢性能
其室温最大吸氢量(质量分数)为3.7%
可逆有效储氢量(质量分数)为2.23%.
The changes in phase structure and hydrogen storage properties of Ti
9.6
Cr
11
V
75.4
Fe
4
alloy after modification by ball-milling for different time(t=0
1
2
4
8 h)are systematically investigated. The XRD and SEM analyses show that all of the as-cast and ball-milled alloys consist of a single V-based solid solution phase with BCC structure. The cell volume and the particle size decrease gradually and the powder appears aggregation with the increasing ball-milling time. It is found that the ball-milling enables to improve the activation behavior of Ti
9.6
Cr
11
V
75.4
Fe
4
alloy effectively. With the increasing ball-milling time
the effective hydrogen storage capacity at room temperature increases first and then decreases. Ti
9.6
Cr
11
V
75.4
Fe
4
alloy ball-milled for 2 h is endowed with fine overall properties
whose maximum hydrogen absorption capacity and effective hydrogen storage capacity at room temperature approach to 3.7% and 2.23%
respectively.
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郑坊平. 多元合金化和球磨改性处理对Ti-V-Fe系储氢合金的微结构及储氢性能的影响[D]. 杭州:浙江大学材料科学与化学工程学院,2006.
WANG Wei, CHEN Changpin, CHEN Lixin, et al. Change in structure and hydrogen storage properties of La2Mg16Ni alloy after modification by mechanical grinding in THF [J]. J of Alloys and Compounds, 2002, 339: 175-179.
任国新,陈长聘,陈立新,等.在四氢呋喃中球磨改性处理的LaMg11Ni吸放氢特性研究[J].稀有金属材料与工程,2004, 33(9): 988-991.
REN Guoxin, CHEN Changpin, CHEN Lixin, et al. Hydriding/dehydriding behaviour of LaMg11Ni alloy modified by mechanical grinding in tetrahydrofuran [J]. Rare Metal Materials and Engineering, 2004, 33(9): 988-991.
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