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首页> 外文会议>Beijing International Materials Week(2006 BIMW) Conference C; International Conference on New Energy Materials; 20060625-30; 20060625-30; Beijing(CN); Beijing(CN) >Cluster-based composition rule for Laves phase-related BCC solid solution hydrogen storage alloys
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Cluster-based composition rule for Laves phase-related BCC solid solution hydrogen storage alloys

机译：Laves相相关BCC固溶储氢合金的基于簇的组成规则

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摘要

A new cluster line approach for the composition rule of Laves phase-related BCC solid solution hydrogen-storage alloys was presented. The cluster line in a ternary phase diagram refers to a straight composition line linking a specific binary cluster to the third element. In the Laves phase-related BCC solid solution alloy system such as Ti-Cr-V, Ti-Cr tends to form binary Cr_2Ti Laves phase while Ti-V and Cr-V to form solid solutions. This Laves phase is characterized by a close-packing icosahedral cluster Cr_7Ti_6. A cluster line Cr_7Ti_6-V is then constructed in this system. Alloy rods with a diameter of 3 mm of compositions along this line were prepared by copper-mould suction method. The alloy structure is found to vary with the V contents. Furthermore, the P-C-T measurements indicate that the cluster-line (Cr_7Ti_6)_(1-x)V_x alloys have large hydrogen storage capacities.
机译：提出了一种新的基于Laves相的BCC固溶储氢合金组成规律的簇线法。三元相图中的群集线是指将特定的二进制群集连接到第三元素的直线组成线。在与Laves相相关的BCC固溶合金系统（例如Ti-Cr-V）中，Ti-Cr倾向于形成二元Cr_2Ti Laves相，而Ti-V和Cr-V倾向于形成固溶体。该拉夫斯相的特征是紧密堆积的二十面体簇Cr_7Ti_6。然后，在该系统中构造了群集线Cr_7Ti_6-V。通过铜模抽吸法制备了沿该线的直径为3mm的合金棒。发现合金结构随V含量变化。此外，P-C-T测量表明，簇线（Cr_7Ti_6）_（1-x）V_x合金具有较大的储氢能力。

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