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首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >Alloying effects on the stability of vanadium hydrides
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Alloying effects on the stability of vanadium hydrides

机译：合金化对氢化钒稳定性的影响

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摘要

The alloying effects on the stability of the #gamma# phase (VH_2) and the #beta# phase (VH or V_2H) was investigated experimentally in binary V-1mol percent M and V-3mol percent M alloys, where M represents various alloying elements. It was found that the stability of the #gamma# phase is dependent largely on the alloying elements, and changes systematically following the order of elements in the periodic table. On the other hand, two endothermic peaks are observed in the course of hydrogen desorption from the #beta# phase in the DSC experiments. They are attributable to the onset of the successive transformations of the #beta# phase to the bcc(#alpha#) phase to the hydrogen-free bcc vanadium. Both the peak profile and the peak temperature vary significantly with alloying elements, M, indicating that the hydrogen desorption from the #beta# phase is strongly modified by alloying.
机译：在二元V-1mol％M和V-3mol％M合金中，实验研究了合金化对＃gamma＃相（VH_2）和＃beta＃相（VH或V_2H）稳定性的影响，其中M代表各种合金元素。发现＃γ＃相的稳定性在很大程度上取决于合金元素，并且按照元素周期表中的元素顺序系统地变化。另一方面，在DSC实验中，氢从＃beta＃相脱附的过程中观察到两个吸热峰。它们可归因于＃beta＃相到bcc（＃alpha＃）相连续转变为无氢bcc钒的开始。峰轮廓和峰温度都随合金元素M的变化而显着变化，这表明通过合金化作用，从＃beta＃相中解吸的氢会发生强烈变化。

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