Hot Stamping With Modified Process Route for the Production of Thick Sheets With Optimized Fatigue Strength Properties

verfasst von
Bernd Arno Behrens, Alfons Esderts, Sven Huebner, Rainer Masendorf, Joern Wehmeyer, Mats Jensen, Timo Fuenfkirchler
Abstract

Hot-stamping is one of the most important processes for manufacturing ultra-high-strength components. Particularly in automotive chassis construction, hot-stamped components are very popular for meeting lightweight requirements because of to their good strength-to-weight ratio. Due to legal regulations, lightweight efforts are also increasing in the area of heavy-duty vehicles, opening up potential for the use of hot-stamped components as well. Up to now, fine-grain structural steels with sheet thicknesses of up to 9.0 mm were the main materials used. The substitution of these sheets with thinner, hot-stamped components offers great lightweight potential and is therefore being researched. In order for the hot-stamped components to be used in this area, they must meet special requirements. As a result of the long service life, particular focus is therefore placed on fatigue strength. For this reason, the conventional process route of hot-stamping was optimized in this work so that hot-stamped thick sheets of the manganese-boron-steel 22MnB5 with improved fatigue strength properties can be produced economically. Therefore, conventional furnace heating was substituted by resistance heating. In addition, the influence of sandblasting as a post-treatment was investigated.

Organisationseinheit(en)
Institut für Umformtechnik und Umformmaschinen
Externe Organisation(en)
Technische Universität Clausthal
Typ
Aufsatz in Konferenzband
Seiten
34-39
Anzahl der Seiten
6
Publikationsdatum
27.05.2024
Publikationsstatus
Veröffentlicht
Peer-reviewed
Ja
ASJC Scopus Sachgebiete
Maschinenbau, Werkstoffmechanik, Metalle und Legierungen
Elektronische Version(en)
https://doi.org/10.33313/512/A0203 (Zugang: Geschlossen)
 

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