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Investigation of compound formation sequence in Al/Ni/…/Al/Ni multilayer system under conditions of an excessive amount of one component and its prediction using the analogy with gas system behavior

机译:一种组分过量下Al / Ni /…/ Al / Ni多层体系中化合物形成顺序的研究及其与气体系统行为的类比预测

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摘要

Interaction processes in Al/Ni/.../Al/Ni multilayer systems with an excess of one of the components are studied by of DSC, XRD and TEM methods. It is shown that the compounds formation sequence differs depending on which component is excessive. There is proposed a rule for compounds formation sequence in systems with an excess of one of the initial phases. It is based on the assumption that behaviour of two contacting solid phases system is analogical to that of a gas system: energy density change in a solid-state system is analogical to pressure change in gas system. The prediction is built on the calculation of parameter ΔH0/νV, where ΔH0 and νV are enthalpy change and volume of new phase forming as a result of the reaction.
机译:通过DSC,XRD和TEM方法研究了一种组分过多的Al / Ni /.../ Al / Ni多层体系中的相互作用过程。结果表明,化合物的形成顺序因哪个成分过量而不同。提出了在初始相之一过量的系统中化合物形成顺序的规则。它基于以下假设:两个接触的固相系统的行为类似于气体系统的行为:固态系统中的能量密度变化类似于气体系统中的压力变化。该预测基于对参数ΔH 0 /νV的计算,其中ΔH 0 和νV是反应的焓变和新相形成的体积。

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