Journal
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE
Volume 54, Issue 4, Pages 1055-1061Publisher
SPRINGER
DOI: 10.1007/s11661-023-06968-3
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The study investigates interfacial coherency in the kinetics of austenite to ferrite transformation in Fe-C-M alloys using the phase field method. It is found that incoherent interfaces have higher intrinsic mobility but also more significant solute drag effects compared to semicoherent interfaces. The contribution of semicoherent interfaces to transformation kinetics cannot be ignored when considering coherency-dependent solute drag effects.
The role of interfacial coherency in the kinetics of austenite to ferrite transformation in Fe-C-M (M is a substitutional element) alloys is studied with phase field method. It is found that while incoherent interfaces possess a much higher intrinsic mobility than semicoherent interfaces do, the solute drag effects at incoherent interfaces is also more significant. The contribution of semicoherent interfaces to transformation kinetics may not be ignored if the coherency-dependent solute drag effects are considered.
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