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Chemistry and Properties of Medium-Mn Two-Stage TRIP Steels
Metallurgical and Materials Transactions A, 2018Eight medium manganese steels ranging from 10 to 15 wt pct Mn have been produced with varying levels of aluminum, silicon, and carbon to create steels with varying TRIP (transformation-induced plasticity) character. Alloy chemistries were formulated to produce a range of intrinsic stacking fault energies (ISFE) from − 2.2 to 13.3 mJ/m2 when calculated ...
Field, Daniel M. +2 more
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Candidates for the Third Generation: Medium Mn Steels
2015Medium (4–10 %) Mn steel is considered as one of the candidates that can meet requirements of steels of third generation. This chapter presents the main factors affecting the combination of tensile properties of med MN steels: parameters of annealing, amount and stability of austenite, and Mn content.
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Reverse transformation from martensite into austenite in a medium-Mn steel
Scripta Materialia, 2019Abstract The mechanism of austenite reversion from martensite in a cold rolled medium‑manganese steel has been clarified. Both displacive and reconstructive transformation happens but at a specific temperature ranges. Mechanical stabilisation of martensite into austenite were observed to take place between 300 °C and 500 °C proving the transformation
D.P. Yang, D. Wu, H.L. Yi
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Revealing heterogeneous C partitioning in a medium Mn steel by nanoindentation
Materials Science and Technology, 2017The present work employs nano-indentation technique to investigate the C partitioning in a medium Mn steel subjected to quenching and tempering process. It is found that the C partitioning between martensite and austenite is inhomogeneous. Particularly, the large lenticular martensite has negligible C partitioning into the austenitic matrix as it ...
He, B, Huang, M
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Medium Mn Dual-Phase Nanotwinned Steel
Metallurgical and Materials Transactions A, 2022X. K. Shang, Q. W. Guan, B. B. He
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Effect of Deformation Mode on Martensitic Transformation in Medium Mn Steel
Materialia, 2023Poornachandra Satyampet +3 more
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Hydrogen absorption and embrittlement of martensitic medium-Mn steels
Corrosion Science, 2023Ahjeong Lyu +4 more
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Austenite stability in medium Mn Q&P steels
2021There is a high demand in automotive industry for better fuel efficiency, which is a driving force for the development of 3rd generation advanced high strength steels (AHSS) e.g. quenching and partitioning (Q&P) steels. Medium Mn Q&P steels containing 5 – 10 % Mn have been broadly studied with promising results, but a high Mn content may impose ...
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Work hardening behavior in medium MN trip steels
2016Continued efforts of the automotive industry to develop high strength, high formability steels have led to increased interest in so-called medium manganese steels and low density steels. This research characterized the mechanical properties and deformations of several alloys of these two families with ultra-fine-grained ferrite + austenite ...
Callahan, Michael, Schmitt, Jean-Hubert
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