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Concepts for Manufacturing a Seat Backrest Structure Dominated by an Extruded Magnesium Alloy

Sikora, Sebastian P. and Beeh, Elmar and Jäger, Andreas and Junk, Oliver and Putschkat, Detlef and Sulaiman, Hosen (2021) Concepts for Manufacturing a Seat Backrest Structure Dominated by an Extruded Magnesium Alloy. SAE Technical Papers, pp. 1-6. Society of Automotive Engineers (SAE) International. doi: 10.4271/2021-01-0277. ISSN 0148-7191.

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Abstract

Concepts for a lighter seat backrest structure using a MgMnCe-type alloy have been developed, dimensioned and evaluated. The underlying predevelopment process is based on numerical as well as experimental methods at different levels. At component level, profile tests in bending reveal large deformation without local failure. This deformation makes the use of closed rectangular profiles promising for the application in seat frame structures. Two alternative structural concepts have been developed utilizing different joining technologies - a primary concept using friction stir welding and a secondary one basing on injection adhesive bonding. Both concepts use the same magnesium frame. In the consideration and development of associated process routes, the major challenge has been the magnesium-steel joint between frame and gusset. For welding, the joining direction is essential. Therefore, the magnesium material needs to be accessible. On the other hand, injection adhesive bonding demands sufficient joint areas and a filling concept to perform the bonding process. The two alternative concepts respectively illustrate and demonstrate engineering solutions.

Item URL in elib:https://elib.dlr.de/143130/
Document Type:Article
Additional Information:begleitende Veröffentlichung zum WCX Digital Summit 2020
Title:Concepts for Manufacturing a Seat Backrest Structure Dominated by an Extruded Magnesium Alloy
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Sikora, Sebastian P.sebastian.sikora (at) dlr.deUNSPECIFIED
Beeh, ElmarElmar.Beeh (at) dlr.deUNSPECIFIED
Jäger, AndreasKODAUNSPECIFIED
Junk, OliverFaureciaUNSPECIFIED
Putschkat, DetlefKODAUNSPECIFIED
Sulaiman, HosenFaureciaUNSPECIFIED
Date:6 April 2021
Journal or Publication Title:SAE Technical Papers
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
DOI :10.4271/2021-01-0277
Page Range:pp. 1-6
Publisher:Society of Automotive Engineers (SAE) International
Series Name:SAE Technical Papers
ISSN:0148-7191
Status:Published
Keywords:magnesium alloy, joining technology, friction stir welding (FSW), injection adhesive bonding, automobile seat structure, volume production
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Transport System
DLR - Research area:Transport
DLR - Program:V VS - Verkehrssystem
DLR - Research theme (Project):V - Energie und Verkehr
Location: Stuttgart
Institutes and Institutions:Institute of Vehicle Concepts > Material and Process Applications for Road and Rail Vehicles
Institute of Vehicle Concepts
Deposited By: Sikora, Sebastian
Deposited On:23 Jul 2021 14:28
Last Modified:23 Jul 2021 14:28

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