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2026 Aqeel Medium Mn Cu Precipitation

Hamza Bin Aqeel

2026enmedium-manganese steelswarm rollingheat treatmentmicrostructureprecipitation hardeningmechanical properties

Abstract

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Warm-rolled medium-Mn steels (MMnS) are attractive for automotive industry and energy applications, due to their balanced mechanical and corrosion properties. The present study investigated how newly-designed process routes with short post-warm-rolling heat treatments can further tune the microstructure and mechanical properties of an Fe-7Mn-0.05 C-1.5Al-1.5Si-1.5Ni-1.5Cu (wt%) steel. Warm-rolled MMnS (WarmR) was subjected to three heat treatment routes: intercritical annealing (IA) at 700 °C for 1 min (WRA), aging at 500 °C for 5 min (WRAg), and a combined IA + aging process (WRAA). The material under WarmR condition is characterized by a heavily deformed ferrite matrix and refined, mechanically stabilized austenite, providing high yield strength (YS: 926.2 ± 17.8 MPa) but low ductility (TE of 6 ± 1.2%) due to a suppressed transformation induced plasticity (TRIP) effect. In the material under WRAg condition, high density of nano-sized Cu precipitates form wit.

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Cite This Work

@article{59612175-b50b-44e0-b040-cb2077ac19cc,
  title={2026 Aqeel Medium Mn Cu Precipitation},
  author={Hamza Bin Aqeel},
  year={2026},
  language={en}
}
TY  - JOUR
TI  - 2026 Aqeel Medium Mn Cu Precipitation
AU  - Hamza Bin Aqeel
PY  - 2026
LA  - en
ER  -

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