Abstract 2Mg–Fe alloy powder produced by high-energy ball milling was processed by hot extrusion at temperatures of 200 C and 300 C to produce bulk samples. The alloys were hydrogenated for 24 h under hydrogen pressures of 24 bar (to produce the Mg 2 FeH 6 phase) and 15 bar (to produce a mixture of MgH 2 + Mg 2 FeH 6 phases), respectively
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