Recent Findings and Developments on Bainite in Advanced High-Strength Steels
A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Metal Casting, Forming and Heat Treatment".
Deadline for manuscript submissions: closed (20 July 2024) | Viewed by 691
Special Issue Editors
Interests: ICME—numerical material and process modeling for metallic materials; production processes (forming and heat treatment) for modern steels; development of alloy concepts and process technologies for the nanostructuring of structures as well as for the adjustment of metastable micro-structural phases; combination of experimental laboratory techniques with numerical simulation to model, evaluate and optimize industrial forming and heat treatment processes; forming technology
Special Issues, Collections and Topics in MDPI journals
Interests: metal forming technology; automation technology; artificial intelligence in material science; computational materials science; experimental materials science
Interests: steel technology; metal forming technology; microstructure-properties correlation; bainitic microstructures; technology-microstructure interaction
Special Issue Information
Dear Colleagues,
The growing attention and priority given to environmental sustainability has a tremendous impact on political, ecological and economic decisions. To reduce energy consumption in a world of high mobility, the automotive industry continuously demands lighter and stronger materials to design new lightweight concepts. Therefore, new steel grades with improved strength–ductility properties are in constant development. On the one hand, increased strength can be easily achieved by generating harder phases, but at the cost of reduced ductility. On the other hand, soft phases are known for improved formability. Thus, attaining extraordinary steels that possess both the properties mentioned above requires tailored microstructures characterized by either special transformation effects occurring in the right moment of application or a mixture of contributed phases. On the one hand, new medium-Mn TRIP/TWIP steels produced by C partitioning procedures are in the focus of research activity. On the other hand, bainite, often considered a single phase, is known to provide good toughness and high strength, promising high tensile strength–total elongation products (UTS x TE). Bainitic microstructures consisting of multiple constituents are the reason for these auspicious properties, and explain why the development of new advanced high-strength steels (AHSSs) has employed complex bainitic microstructures in recent years. However, the development of functional and structural materials with narrow technological production windows is always accompanied by the challenge of technical and economic feasibility. The broad spectrum of properties achieved with bainitic microstructures indicates a vast potential to generate specific high-strength steel grades. Therefore, this Special Issue focuses on the latest findings on bainite to understand the technology–microstructure–property relations in complex bainitic steels for lightweight design.
Prof. Dr. Ulrich Prahl
Dr. Grzegorz Korpala
Guest Editors
Mathias Zapf
Guest Editor Assistant
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Keywords
- AHSS (advanced high-strength steels)
- bainite
- bainitic microstructures and morphologies
- complex phase steels
- microstructure–property relation
- material modelling
- bainite technology
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