Effects of Modifying a Hot Stamping Process of 22MnB5 Thick Sheets in Terms of Fatigue Strength

authored by: T. Fünfkirchler, M. Jensen, S. Hübner, R. Masendorf, A. Esderts, B. A. Behrens
Abstract: Hot-stamped ultra-high-strength steels, as established in automotive body-in-white, have already been considered for add-on parts of commercial vehicle chassis frames such as rear and front underride guards. Replacing thinner hot-formed steels for the fine-grained structural steels with plate thicknesses of up to 9 mm usually used in this area offers enormous potential for weight-savings. In order to fully exploit these advantages, the substitution must be extended to other components, such as load-bearing structures. For this purpose, the material has to meet high fatigue strength requirements. Therefore, a modified hot forming process is presented which allows the adjustment of the advantageous fatigue properties of the manganese-boron steel 22MnB5. In this paper, different heat treatments are investigated to produce favorable reference manufacturing parameters in terms of fatigue strength. The material samples produced by different heat treatments are tested for their fatigue strength. In addition, the influence of sandblasting on the fatigue strength is investigated.
Organisation(s): Institute of Metal Forming and Metal Forming Machines
External Organisation(s): Clausthal University of Technology
Type: Contribution to book/anthology
Pages: 599-608
No. of pages: 10
Publication date: 2023
Publication status: Published
Peer reviewed: Yes
ASJC Scopus subject areas: Industrial and Manufacturing Engineering, Economics, Econometrics and Finance (miscellaneous), Safety, Risk, Reliability and Quality
Electronic version(s): https://doi.org/10.1007/978-3-031-47394-4_58 (Access: Closed)
: Details in the research portal "Research@Leibniz University"

BibTeX

@inbook{cb9e07c339f7428c82f9c39e466253ea,
title = "Effects of Modifying a Hot Stamping Process of 22MnB5 Thick Sheets in Terms of Fatigue Strength",
abstract = "Hot-stamped ultra-high-strength steels, as established in automotive body-in-white, have already been considered for add-on parts of commercial vehicle chassis frames such as rear and front underride guards. Replacing thinner hot-formed steels for the fine-grained structural steels with plate thicknesses of up to 9 mm usually used in this area offers enormous potential for weight-savings. In order to fully exploit these advantages, the substitution must be extended to other components, such as load-bearing structures. For this purpose, the material has to meet high fatigue strength requirements. Therefore, a modified hot forming process is presented which allows the adjustment of the advantageous fatigue properties of the manganese-boron steel 22MnB5. In this paper, different heat treatments are investigated to produce favorable reference manufacturing parameters in terms of fatigue strength. The material samples produced by different heat treatments are tested for their fatigue strength. In addition, the influence of sandblasting on the fatigue strength is investigated.",
keywords = "22MnB5, Fatigue strength, Hot stamping",
author = "T. F{\"u}nfkirchler and M. Jensen and S. H{\"u}bner and R. Masendorf and A. Esderts and Behrens, {B. A.}",
note = "Funding Information: Acknowledgements. The research project “Formh{\"a}rteverfahren zur Beeinflussung der Schwingfestigkeit von Blechen dickerer Wandst{\"a}rke” from the Research Association for Steel Application (Forschungsvereinigung Stahlanwendung e. V., FOSTA) was supported under grant number 22081N by the Federal Ministry of Economic Affairs and Climate Action (BMWK) through the German Federation of Industrial Research Associations (AiF) as part of the program for promoting industrial cooperative research (IGF) on the basis of a decision by the German Bundestag. ; 13th Congress of the German Academic Association for Production Technology : WGP ; Conference date: 20-11-2023 Through 23-11-2023",
year = "2023",
doi = "10.1007/978-3-031-47394-4_58",
language = "English",
isbn = "978-3-031-47393-7",
series = "Lecture Notes in Production Engineering",
publisher = "Springer Nature",
pages = "599--608",
booktitle = "Production at the Leading Edge of Technology",
address = "United States",
}