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首页> 外文期刊>Powder Metallurgy and Metal Ceramics >Study of the Process of Destructive Hydrogenation of Powder Intermetallic Systems. I. Thermodynamic Analysis of the Processes of Direct and Destructive Hydrogenation of Intermetallics
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Study of the Process of Destructive Hydrogenation of Powder Intermetallic Systems. I. Thermodynamic Analysis of the Processes of Direct and Destructive Hydrogenation of Intermetallics

机译：粉末金属间化合物体系破坏性加氢过程的研究。一，金属间化合物直接和破坏性加氢过程的热力学分析

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We have carried out a thermodynamic analysis of the processes of direct and destructive hydrogenation (hydrogenolysis) of the intermetallics LaNi_5, LaNi_(5-x)Al_x TiFe, TiFe_(1-x)Me_x (Me = Al, Mn, Co, Ni), TiNi. We have established that the regions where these processes occur are separated by a hydrogenation - hydrogenolysis boundary which is determined by the relative limiting hydrogen capacity, depending on the thermodynamic characteristics of the intermetallic (metal) - hydrogen system and the temperature. The boundary between the hydrogenation and hydrogenolysis regions may be controlled by alloying the intermetallics with elements affecting the thermodynamic characteristics of the hydride system. When intermetallic compounds are used as hydrogen sorbents, in order to avoid destructive hydrogenation we need to work at pressures above the limiting equilibrium pressure for the given temperature.
机译：我们对金属间化合物LaNi_5，LaNi_（5-x）Al_x TiFe，TiFe_（1-x）Me_x（Me = Al，Mn，Co，Ni）的直接和破坏性加氢（氢解）过程进行了热力学分析，TiNi。我们已经确定，发生这些过程的区域由加氢-氢解边界隔开，该边界由相对有限的氢容量决定，取决于金属间（金属）-氢系统的热力学特性和温度。氢化和氢解区域之间的边界可以通过使金属间化合物与影响氢化物系统的热力学特性的元素合金化来控制。当金属间化合物用作氢吸附剂时，为了避免破坏性的氢化作用，我们需要在给定温度下在高于极限平衡压力的压力下工作。

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