Evolution of microstructure and strength during the ultra-fast tempering of Fe–Mn–C martensitic steels
Source abstract
Abstract
Ultra-fast tempering cycles, combining a rapid heating rate (R H = 300 °C/s) from room temperature to a peak temperature within the range 400–700 °C and subsequent rapid cooling, were performed on a Fe–Mn–C martensitic steel. The influence of the peak temperature reached during the cycle was determined on both the tensile properties of the steel and on its microstructure. The mechanisms controlling the microstructural evolution occurring during rapid tempering were studied by combining both TEM observations and 3D reconstructions by FIB/SEM. A theoretical analysis coupled with the acquired experimental data was then proposed to explain the evolution of mechanical properties. The results obtained support the assumption that carbide precipitation during fast tempering plays a key role in the evolution of mechanical properties.
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Research context
OpenAlex topics: Microstructure and Mechanical Properties of Steels · Metallurgy and Material Forming · Magnetic Properties and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (32)
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