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熔体快淬Zr(V1-xFex)2 (x=0.15)合金的贮氢性能
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凝固技术国家重点实验室资助项目 (38-TP-2009),西北工业大学科研基金(R0217)


Hydrogen Storage Properties of Melt-Spun Zr(V1-xFex)2 (x=0.15) Alloys
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    摘要:

    采用非自耗真空电弧炉熔炼制备Zr(V1-xFex)2 (x=0.15)母合金锭,利用单辊旋淬设备制得不同淬速的合金薄带。X射线衍射结果表明,不同淬速Zr(V1-xFex)2 (x=0.15)合金均为近乎单相的C15型Laves相,熔体快淬工艺可消除铸态合金中的包晶反应残留相和枝晶偏析,得到均匀细晶组织。快淬Zr(V1-xFex)2 (x=0.15)合金吸氢后的晶体结构未发生改变,饱和吸氢后的体胀率约20%,根据V’ant Hoff关系外推出室温下快淬合金的平衡压力低于10-5 Pa量级。

    Abstract:

    The master Zr(V1-xFex)2 (x=0.15) alloy was prepared by the arc-melt method. The alloy was re-melted and melt-spun by single-roller melt spinning at the various copper wheel velocity. From phase analysis and microstructure investigation, it has been shown melt-spun technique could prevent the residual phases of peritectic reaction during solidification and eliminate the dendritic segregation in the as-cast state. The ribbons spun at various velocities could absorb about 2% H/M hydrogen without changing their structure. For the alloy spun at each speed, the cell volume expansion with the saturated hydrogen absorption is about 20% and the he equilibrium pressure is less than 10-5 Pa at room temperature extrapolated by Van’t Hoff equation.

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张铁邦,王旭峰,胡 锐,李金山,杨晓伟,薛祥义,傅恒志.熔体快淬Zr(V1-xFex)2 (x=0.15)合金的贮氢性能[J].稀有金属材料与工程,2011,40(10):1785~1789.[Zhang Tiebang, Wang Xufeng, Hu Rui, Li Jinshan, Yang Xiaowei, Xue Xiangyi, Fu Hengzhi. Hydrogen Storage Properties of Melt-Spun Zr(V1-xFex)2 (x=0.15) Alloys[J]. Rare Metal Materials and Engineering,2011,40(10):1785~1789.]
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  • 收稿日期:2010-10-20
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