Experimental and Numerical Investigations on the Development and Stability of Residual Stresses Arising from Hot Forming Processes

authored by: Bernd Arno Behrens, Jörg Schröder, Hendrik Wester, Dominik Brands, Sonja Uebing, Christoph Kock
Abstract: Residual stresses are an important issue as they affect both the manufacturing process as well as the performance of the final parts. Taking the whole process chain of hot forming into account, the integrated heat treatment provided by a defined temperature profile during cooling of the parts offers a great potential for the targeted adjustment of the desired residual stress state. The aim of this work is the investigation of technological reproducibility and stability of residual stresses arising from the thermomechanical forming process. For this purpose, a long-term study of residual stresses on hot-formed components is conducted. In order to develop finite element models for hot forming, a comprehensive thermomechanical material characterisation with special focus on phase transformation effects is performed. The numerical model is validated by means of a comparison between residual stress states determined with X-ray diffraction on experimentally processed components and predicted residual stresses from the simulations.
Organisation(s): Institute of Metal Forming and Metal Forming Machines
External Organisation(s): University of Duisburg-Essen
Type: Conference contribution
Pages: 2289-2301
No. of pages: 13
Publication date: 2021
Publication status: Published
Peer reviewed: Yes
ASJC Scopus subject areas: Electronic, Optical and Magnetic Materials, Energy Engineering and Power Technology, Mechanics of Materials, Metals and Alloys, Materials Chemistry
Electronic version(s): https://doi.org/10.1007/978-3-030-75381-8_192 (Access: Closed)
: Details in the research portal "Research@Leibniz University"

BibTeX

@inproceedings{9cc1ac5410f74b1c8458a6779ea79048,
title = "Experimental and Numerical Investigations on the Development and Stability of Residual Stresses Arising from Hot Forming Processes",
abstract = "Residual stresses are an important issue as they affect both the manufacturing process as well as the performance of the final parts. Taking the whole process chain of hot forming into account, the integrated heat treatment provided by a defined temperature profile during cooling of the parts offers a great potential for the targeted adjustment of the desired residual stress state. The aim of this work is the investigation of technological reproducibility and stability of residual stresses arising from the thermomechanical forming process. For this purpose, a long-term study of residual stresses on hot-formed components is conducted. In order to develop finite element models for hot forming, a comprehensive thermomechanical material characterisation with special focus on phase transformation effects is performed. The numerical model is validated by means of a comparison between residual stress states determined with X-ray diffraction on experimentally processed components and predicted residual stresses from the simulations.",
keywords = "Finite element analysis, Forming process, Residual stress stability, X-ray diffraction",
author = "Behrens, {Bernd Arno} and J{\"o}rg Schr{\"o}der and Hendrik Wester and Dominik Brands and Sonja Uebing and Christoph Kock",
note = "Funding Information: Acknowledgments Funded by the German Research Foundation (DFG, Deutsche Forschungs-gemeinschaft)—374871564 (BE 1691/223-2, BR 5278/3-2, SCHR 570/33-2) within the priority program SPP 2013. ; 13th International Conference on the Technology of Plasticity, ICTP 2021 ; Conference date: 25-07-2021 Through 30-07-2021",
year = "2021",
doi = "10.1007/978-3-030-75381-8_192",
language = "English",
isbn = "9783030753801",
series = "Minerals, Metals and Materials Series",
publisher = "Springer, Cham",
pages = "2289--2301",
editor = "Glenn Daehn and Jian Cao and Brad Kinsey and Erman Tekkaya and Anupam Vivek and Yoshinori Yoshida",
booktitle = "Forming the Future",
}