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International Hydrogen Conference (IHC 2012): Hydrogen-Materials Interactions

Editor
B. P. Somerday
B. P. Somerday
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P. Sofronis
P. Sofronis
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ISBN:
9780791860298
No. of Pages:
844
Publisher:
ASME Press
Publication date:
2014

Hydrogen-metal atomic interactions and short-range atomic order in the fcc Fe-Ni-H solid solution have been studied using ab initio calculations of the electron structure, X-ray diffraction and TEM. It was obtained that the Fe-Fe and Ni-Ni interatomic bonds prevail over the Fe-Ni ones and the Fe-H interaction energies are higher than Ni-H ones. This result suggests a short-range decomposition of the Fe-Ni solid solution and inhomogeneous hydrogen distribution between the Fe- and Ni-rich areas. The theoretical calculations are supported by hydrogen-caused splitting of gamma reflections in the X-ray diffraction patterns and measurements of stacking fault energy in the hydrogen-charged Fe-50.8Ni...

Introduction
Theoretical Calculation Method and Experiment
Results and Discussions
Summary
References
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