2021
DOI: 10.1016/j.msea.2020.140704
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Extraordinary warm ductility of a Mn-rich high-strength steel achieved at temperature below 0.5 Tm

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Cited by 9 publications
(5 citation statements)
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“…The stacking fault energy (SFE) [1,29,30] plays a crucial role in governing the deformation mechanism of Fe-Mn-Al-C steels. The magnitude of the SFE is mainly dependent on the chemical composition.…”
Section: Resultsmentioning
confidence: 99%
“…The stacking fault energy (SFE) [1,29,30] plays a crucial role in governing the deformation mechanism of Fe-Mn-Al-C steels. The magnitude of the SFE is mainly dependent on the chemical composition.…”
Section: Resultsmentioning
confidence: 99%
“…20 In general, the temperature for warm plastic forming is considered to be in the temperature range above room temperature and below the complete recrystallization temperature which is generally considered to be 0.6 T m (where T m represents melting temperature). 21 As a matter of fact, the warm plasticity can help to reduce the plastic deformation resistance and burnishing load in UB process, which is prone to prevent the initiation and propagation of micro-cracks during the severe plastic deformation. Warm plasticity is also conducive to grain refinement and formation of dislocations.…”
Section: Introductionmentioning
confidence: 99%
“…[5,6] To push the potential hightemperature application of Fe-Mn steels, their microstructural stability and mechanical properties were recently explored at elevated temperatures. [7][8][9][10][11][12] Excellent hot or warm ductility can be achieved by regulating different phase grain size, distribution, and phase transition. [8][9][10][11] For example, Han et al recently developed a new Fe-6.6Mn-2.3Al-0.005C (wt%) steel with dual-phase and ultrafine microstructures, achieving exceptional total elongation of over 1300% at 850 C. [11] In addition, the deformation behavior, dynamic recrystallization, and microstructure evolution of Fe-Mn steels during the hightemperature deformation were also systematically investigated.…”
Section: Introductionmentioning
confidence: 99%
“…[7][8][9][10][11][12] Excellent hot or warm ductility can be achieved by regulating different phase grain size, distribution, and phase transition. [8][9][10][11] For example, Han et al recently developed a new Fe-6.6Mn-2.3Al-0.005C (wt%) steel with dual-phase and ultrafine microstructures, achieving exceptional total elongation of over 1300% at 850 C. [11] In addition, the deformation behavior, dynamic recrystallization, and microstructure evolution of Fe-Mn steels during the hightemperature deformation were also systematically investigated. [12,13] However, it is challenging to achieve excellent high-temperature strength in these steels due to the poor structure stability and the lack of dispersion hardening.…”
Section: Introductionmentioning
confidence: 99%
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