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2006
Conference Paper
Titel
Sheet metal forming at elevated temperatures
Abstract
Due to the need to significantly reduce the part weights in automotive manufacturing, the use of lightweight materials such as aluminum, magnesium, high-strength steels and titanium becomes ever more important. Unfortunately, these materials are often connected with a limited cold formability. Due to this fact production of large, complex sheet metal components using forming technology frequently entails increased expenditures. Moreover, processing high-strength materials requires correspondingly high processing forces and pressures. To extend the application of these materials in manufacturing processes, it is essential to identify strategies which enable an improvement of the forming behavior of these materials. In order to find a solution to counter the disadvantages mentioned above, the use of elevated temperatures as a process parameter in forming operations represents a potential solution approach. Firstly, it permits a distinct increase in the ductility and formability of the material. Secondly, it reduces deformation resistance and hence the forming forces and pressures required.
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