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熔體快淬Zr(V1-xFex)2 (x=0.15)合金的貯氫性能
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凝固技術(shù)國家重點實驗室資助項目 (38-TP-2009)，西北工業(yè)大學(xué)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:

    采用非自耗真空電弧爐熔煉制備Zr(V1-xFex)2 (x=0.15)母合金錠，利用單輥旋淬設(shè)備制得不同淬速的合金薄帶。X射線衍射結(jié)果表明，不同淬速Zr(V1-xFex)2 (x=0.15)合金均為近乎單相的C15型Laves相，熔體快淬工藝可消除鑄態(tài)合金中的包晶反應(yīng)殘留相和枝晶偏析，得到均勻細(xì)晶組織?？齑鉠r(V1-xFex)2 (x=0.15)合金吸氫后的晶體結(jié)構(gòu)未發(fā)生改變，飽和吸氫后的體脹率約20%，根據(jù)V’ant Hoff關(guān)系外推出室溫下快淬合金的平衡壓力低于10-5 Pa量級。

    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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張鐵邦,王旭峰,胡 銳,李金山,楊曉偉,薛祥義,傅恒志.熔體快淬Zr(V1-xFex)2 (x=0.15)合金的貯氫性能[J].稀有金屬材料與工程,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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