2016
DOI: 10.15407/mfint.38.06.0737
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Precipitation Reactions in Nickel—Hydrogen System: ab initio Study

Abstract: A type of precipitation reactions in the nickel-hydrogen system is studied by means of first-principle atomic calculations. The concentration dependence of solution enthalpy is calculated, and its second derivative is shown to be negative within the hydrogen-to-nickel ratios, H/Ni, of 0.03-0.75. This result suggests that a spinodal decomposition of the solid solution occurs resulting in formation of the hydrogen-rich and hydrogen-depleted phases. The obtained hydrogen concentrations in these conjugated phases … Show more

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Cited by 2 publications
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