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Microstructure and mechanical properties of Mo-Nb microalloyed medium Manganese trip Steel by cyclic quenching
2019
Metallurgical & Materials Engineering
Preserved Fulltext
A novel cyclic quenching (CQ) and austenite reverse transformation (ART) was proposed for a Fe-0.25C-3.98Mn-1.22Al-0.20Si-0.19Mo-0.03Nb (wt.%) Mo-Nb microalloyed medium-Mn TRIP steel to improve strength and ductility. The results show that after twice cyclic quenching and ART exhibited optimum comprehensive properties, characterized by an ultimate tensile strength of 838 MPa, a total elongation of 90.8%, a product of strength and elongation (PSE) of 76.1 GPa·%, and the volume fraction of austenite of approximately 62 vol.%.
doi:10.30544/426
fatcat:emeof5gk3jbdba32mahxfhrwxa