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New Advanced High Strength Steels
2023In recent years, significant developments have been made to increase the mechanical strength of steels in order to reduce the overall weight of structures, particularly in motor vehicles. Depending on the application, the increase in strength should not be at the expense of forming and in-use properties.
Mohamed Gouné +2 more
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Formability of advanced high strength steels
International Journal of Material Forming, 2009Novel draw-bend tests of 3 dual-phase (DP) steels utilizing velocity control of both actuators revealed three patterns of failure depending on draw speed, draw speed ratio, and R/t ratio. Shear failure occurs preferentially for smaller R/t and higher deformation rates.
Robert H. Wagoner +2 more
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Trimming of Advanced High Strength Steels
Manufacturing Engineering and Materials Handling, Parts A and B, 2005Modern product design and manufacturing often utilizes a wide variety of materials. Where once low carbon steel predominated, a variety of different materials such as aluminum alloys and advanced high-strength steels (AHSS) are now being utilized. Although such alternative materials may provide a variety of benefits in manufacturing and design, these ...
Sergey F. Golovashchenko +1 more
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2013
Abstract This chapter provides an overview of the nomenclature, generations, and thermomechanical processing of advanced high-strength steels (AHSS) and provides information on the development of microstructure. It also presents a review of the mechanical property trends of AHSS.
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Abstract This chapter provides an overview of the nomenclature, generations, and thermomechanical processing of advanced high-strength steels (AHSS) and provides information on the development of microstructure. It also presents a review of the mechanical property trends of AHSS.
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2020
This chapter is concerned with the advanced high-strength steels (AHSS). The focus is on AHSS of second generation—the high-alloy austenitic steels with twinning-induced plasticity (TWIP) and transformation-induced plasticity (TRIP). For both groups, the state-of-the-art knowledge regarding the thermodynamic aspects, the deformation behaviour and the ...
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This chapter is concerned with the advanced high-strength steels (AHSS). The focus is on AHSS of second generation—the high-alloy austenitic steels with twinning-induced plasticity (TWIP) and transformation-induced plasticity (TRIP). For both groups, the state-of-the-art knowledge regarding the thermodynamic aspects, the deformation behaviour and the ...
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Adiabatic blanking of advanced high-strength steels
CIRP Annals, 2020Abstract Adiabatic blanking of advanced high-strength steels with initial flow stresses above 1300 MPa is investigated. The blanked edge exhibits a unique S-shape. Localisation and properties of shear bands are analysed in shear-compression tests. A shear-compression stress state before separation leads to blanked edges without fracture zone, burr ...
Fabian Schmitz +4 more
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Shear Fracture of Advanced High Strength Steels
Journal of Iron and Steel Research International, 2014Failure experiments were carried out through a stretch-bending test system for advanced high strength steels, i. e. dual-phase (DP) steels and martensitic steels (MS). The die radius in this system was designed from 1 to 15 mm to investigate the failure mode under different geometries. Two failure modes were observed during the experiments. As a result,
Sheng Huang, Yi-xi Zhao, Chun-feng He
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On twist springback in advanced high-strength steels
Materials & Design, 2011The sheet metal components made of advanced high-strength steel (AHSS) become fairly attractive in reducing weight and enhancing operational performance of products. However the corresponding forming process often generates more severe springback. This paper aims to investigate the behavior of twist springback in advanced high strength sheet components,
Hongzhou Li +5 more
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Microstructural Developments in Advanced High Strength Steels
SAE Technical Paper Series, 2005<div class="htmlview paragraph">For automotive applications, steel is mainly used for load bearing applications. Thus, the key mechanical properties of advanced high strength steels are strength and ductility. There are three types of advanced high strength steels that are of current interest: (i) dual phase steels, which have a microstructure ...
Stephen Yue +4 more
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