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Innovations in forming technologies

Kurka P., Schieck F.

Archives of Materials Science and Engineering

2014

Vol. 65, nr 2

72--76

Purpose: of this paper is the research of implementation of lightweight materials (aluminium, magnesium) as an important contribution for significant weight savings. Design/methodology/approach: Higher process stability, improved material exploitations, and generall shortening of process chains are the most important aims of Fraunhofer IWU. The requirements of the future car ask for lightweight construction concepts, in which materials, design, and manufacturing processes harmonize optimally. Therefore, Fraunhofer IWU researches on forming and joining technologies in order to achieve the optimum usage of high-strength steels, aluminium, magnesium, and fiber composite materials. Findings: New forming technologies as press hardening or electromagnetic forming (EMF) bring positive effects by resource efficiency and energy savings. When developing new materials, it is important to design the whole process chain according to the specific material properties. Practical implications: Press hardening offers an effective method of forming high strength steels. EMF is a high-speed forming technology applicable for shaping, joining, and cutting electrically conductive sheet metal or hollow profile components. Originality/value: The usage of lightweight materials is only reasonable when their mechanical characteristics such as stability, stiffness, and temperature resistance are better than those of classic steel. The same is true for the material and production costs.

Press hardening - An innovative and challenging technology

Neugebauer R., Schieck F., Polster S., Mosel A., Rautenstrauch A., Schonherr J., Pierschel N.

Archives of Civil and Mechanical Engineering

2012

Vol. 12, no. 2

113--118

In view of the growing demand for high-strength, press-hardened sheet metal components and the increasing need for energy and resource efficient process-chains, the optimization of the press hardening process chain is a complex, multi-layered and challenging task. The aim of the present paper is to show the potential for optimization in the press-hardening process chain and to demonstrate initial implementation variants.