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Extraordinary Lüders-strain-rate in medium Mn steels
Materialia, 2019Abstract An innovative experimental means based on high-speed digital image correlation (DIC) is employed in this work to investigate the Luders band formation mechanisms in a medium Mn transformation-induced plasticity (TRIP) steel, allowing precise assessment of local strain rate inside the Luders band. The stress-controlled instead of conventional
X.G. Wang +4 more
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Genesis of plasticity-induced serrated metal flow in medium-Mn steel
Calphad, 2020An excellent strength-ductility combination offered by martensite-austenite microstructure in medium-Mn steels draws special attention for automotive applications. However, yielding of the steel is often compromised in the form of serration, with a jerky metal flow and deformation banding, by the reason yet to be settled.
N. Bhowmik +4 more
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Wärmebehandlungsoptionen von Medium-Mn-Stählen für den (Automobil‑)Leichtbau
BHM Berg- und Hüttenmännische Monatshefte, 2019Hochstfeste und bestens umformbare Stahle (Advanced High Strength Steels – AHSS) der 1. und 3. Generation haben sich unter anderem durch ihr Leichtbaupotential, die gute Schweiseignung und den Korrosionsschutz im verzinkten Zustand im Karosseriebau etabliert und ersetzten zusehends konventionelle Stahlguten.
Katharina Steineder +4 more
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Low-temperature superplasticity of Si-added medium-Mn steel
Materials Research Proceedings, 2023Abstract. Grain boundary sliding, a deformation mechanism of superplasticity, occurs only at high temperatures, making it difficult for superplastic steels to be practically applied due to high energy consumption and surface oxidation. Therefore, in the present study, we introduce a newly developed Si-added medium-Mn steel, which can be ...
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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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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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Impact Toughness of Medium‐Mn Transformation‐Induced Plasticity‐Aided Steels
steel research international, 2015The impact toughness of 0.2% C–1.5% Si–(1.5–5.0)% Mn (mass%) transformation‐induced plasticity (TRIP)‐aided steels with bainitic ferrite and/or martensite structure matrices produced by isothermal transformation process is investigated for automotive body applications.
Koh‐ichi Sugimoto +2 more
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On the Damage Behavior of a 0.1C6Mn Medium‐Mn Steel
steel research international, 2017The present work concentrates on the investigation of the damage behavior in the case of a batch annealed 0.1C6Mn medium‐Mn steel as a function of intercritical annealing temperature. The variation of this important annealing parameter results in the formation of different microstructures, consisting of altering amounts of ferrite, martensite, and ...
Katharina Steineder +4 more
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Formability study of the third generation automotive medium-Mn steel
2018 IEEE International Conference on Mechatronics and Automation (ICMA), 2018Third-generation advanced automotive medium-Mn steel, which can replace 22MnB5 steel, was newly developed to improve the lightweight and crashworthiness of automotive. Studies on the formability and simulation method of medium-Mn steel have just been initiated.
Guojun Zheng +4 more
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