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Published in: The International Journal of Advanced Manufacturing Technology 3-4/2022

26-08-2022 | ORIGINAL ARTICLE

Sensitivity analysis for springback of QSTE700 high-strength steel rectangular welded tube to material parameters in rotary draw bending

Authors: Yi Li, Yuli Liu, Mengmeng Liu, Hailong Liu

Published in: The International Journal of Advanced Manufacturing Technology | Issue 3-4/2022

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Abstract

Springback is a key factor affecting the bending quality of QSTE700 high-strength steel rectangular welded tubes. During the production of the welded tubes, cold bending and welding of the steel strip can cause fluctuations of material parameters in the corner and weld zone, and these parameters can significantly affect the springback of the welded tubes in rotary draw bending (RDB). Therefore, a Morris sensitivity analysis system was established based on finite element model considering variable elastic modulus and anisotropy. Based on the built sensitivity analysis system, the effect of material parameters on springback and the sensitivity of springback to these parameters have been obtained. The results show that the parameter combination including strength coefficient and hardening index of the corner (Kc and nc) has a more significant effect on the springback angle, and the parameter combination including nc has a more pronounced impact on the springback of cross-section deformation. However, the parameter combination including yield stress of the corner (σsc) has little effect on the springback angle and the springback of cross-section deformation.

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Literature
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go back to reference Li H, Liu Y, Zhu Y, Yang H (2014) Global sensitivity analysis and coupling effects of forming parameters on wall thinning and cross-section distortion of rotary draw bending of thin-walled rectangular tube with small bending radius. Int J Adv Manuf Technol 74:581–589. https://doi.org/10.1007/s00170-014-6014-1CrossRef Li H, Liu Y, Zhu Y, Yang H (2014) Global sensitivity analysis and coupling effects of forming parameters on wall thinning and cross-section distortion of rotary draw bending of thin-walled rectangular tube with small bending radius. Int J Adv Manuf Technol 74:581–589. https://​doi.​org/​10.​1007/​s00170-014-6014-1CrossRef
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Metadata
Title
Sensitivity analysis for springback of QSTE700 high-strength steel rectangular welded tube to material parameters in rotary draw bending
Authors
Yi Li
Yuli Liu
Mengmeng Liu
Hailong Liu
Publication date
26-08-2022
Publisher
Springer London
Published in
The International Journal of Advanced Manufacturing Technology / Issue 3-4/2022
Print ISSN: 0268-3768
Electronic ISSN: 1433-3015
DOI
https://doi.org/10.1007/s00170-022-10038-0

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