Fig. 6: Results of reduction via Mg-Nd solution formation. | Communications Materials

Fig. 6: Results of reduction via Mg-Nd solution formation.

From: Magnesiothermic reduction of neodymium oxide through molten alloy non-ideality and hydride precipitation

Fig. 6: Results of reduction via Mg-Nd solution formation.

a Relationship between theoretical alloy composition limits for ideal and non-ideal solutions and initial reactant ratio compared to experimental data. b Theoretical degree of reduction vs. reactant ratio assuming ideal and non-ideal solution compared to experimental data. c Example crucible after reduction for the 0.055 reactant ratio showing the formation of the Mg-Nd melt pool (light gray) and mixed Mg-Nd/MgO puck (dark gray). d The microstructure of Mg-Nd alloy from this condition. The dark regions are primary α-Mg dendrites surrounded by a light region consisting of a pearlitic mixture of α-Mg and Mg41Nd5. e EDS map of Nd (blue) and Mg (magenta) in this alloy showing the distribution of the two elements.

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