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Published in:
08-01-2019 | Communication
A Double-Nanophase Intragranular-Oxide-Strengthened Iron Alloy with High Strength and Remarkable Ductility
Published in: Metallurgical and Materials Transactions A | Issue 3/2019
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Abstract
Herein, we introduce a versatile facile strategy for producing double-nanophase intragranular-oxide-strengthened iron alloy. The manufacturing route includes liquid–liquid mixing and rapid combustion at a molecular level that results in a nanocrystalline microstructure with nanosized oxide particles homogeneously distributed in the grain interior. The particular double-nanophase microstructure with an average grain size of 178.5 nm and oxide particle size of 19.3 nm achieves a high ultimate compressive strength of 1.52 GPa and large strain-to-failure of 54 pct.