| 1. |
The kinetics of the reaction of compact rare-earth-metal-d-metal alloys with hydrogen is determined by their phase and chemical compositions and the state of the surface. Single-phase specimens with perfect structure are hydrogenated the most slowly.
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| 2. |
Additions of ruthenium and manganese increase in the rate of hydrogen absorption.
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Translated from Izvestiya Akademii Nauk SSSR, No. 1, pp. 7–9, January, 1983.