Mechanical Alloying Process of a Mixture of α-Fe and γ′-Fe4N Powders
- 1 October 1993
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 32 (10B), L1524
- https://doi.org/10.1143/jjap.32.l1524
Abstract
Bcc-like metastable powder of iron nitride can be synthesized by mechanical alloying of a mixture of elemental Fe and γ′-Fe4N powders. Its heat of formation deduced from differential scanning calorimetry is about +6.5 kJ/mol at a composition of 11 at%N. Both this value and its magnetization at room temperature are in good agreement with those of the bcc-like powder produced by ball milling of elemental Fe powder in NH3 gas atmosphere.Keywords
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