About this Abstract |
Meeting |
2023 TMS Annual Meeting & Exhibition
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Symposium
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Mechanical Response of Materials Investigated through Novel In-situ Experiments and Modeling
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Presentation Title |
In-situ Microstructure Evolution during High Temperature Deformation of Fe-C-Mn-Si Steel |
Author(s) |
Abhishek Arya, Muhammad Nabeel, Andre Phillion |
On-Site Speaker (Planned) |
Abhishek Arya |
Abstract Scope |
Transverse cracking during continuous casting is associated with low ductility of steel in temperature range of 700-1000 ˚C. In present work, we have used a novel in-situ high temperature tensile testing system equipped with confocal microscope to observe microstructure evolution during high temperature mechanical testing and thus to investigate hot ductility behaviour of peritectic (Fe-0.12C-2.07Mn-0.018Si) steels. The tests have been carried out at 600 ˚C to 1000 ˚C at strain rates of 0.001 to 0.01 s-1, while in-situ images were recorded to see evolution of microstructure during deformation. The obtained hot ductility curves indicate ductility trough exists at 700 ˚C. In-situ microstructure analysis revealed that formation of ferrite films along austenite grain boundaries is responsible for the ductility trough. Further, it was observed that strain rate has significant influence on hot ductility. The evolution in ferrite volume fraction observed during the in-situ tests showed good agreement with JMAK kinetic model |
Proceedings Inclusion? |
Planned: |
Keywords |
Mechanical Properties, Iron and Steel, Phase Transformations |