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Investigation of adhesive joining strategies for the application of a multi-material light rail vehicle
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Liu, Yiding, Carnegie, Craig Robert, Ascroft, Helen, Li, Wenhao, Han, Xiao, Guo, Hua and Hughes, Darren J. (2021) Investigation of adhesive joining strategies for the application of a multi-material light rail vehicle. Materials, 14 (22). 6991. doi:10.3390/ma14226991 ISSN 1996-1944.
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Official URL: https://doi.org/10.3390/ma14226991
Abstract
To meet the high demand for lightweight energy-efficient and safe structures for transport applications, a current state-of-the-art light rail vehicle structure is under development that adopts a multi-material design strategy. This strategy creates the need for advanced multi-material joining technologies. The compatibility of the adhesive with a wide range of material types and the possibility of joining multi-material structures is also a key advantage to its success. In this paper, the feasibility of using either epoxy or polyurethane adhesive joining techniques applied to the multi-material vehicle structure is investigated. Importantly, consideration is given to the effect of variation in bond thickness for both families of structural adhesives. Multi-material adhesively bonded single lap joints with different adhesives of controlled bond thicknesses were manufactured and tested in order to experimentally assess the shear strength and stiffness. The torsional stiffness and natural frequency of the vehicle were modelled using a global two-dimensional finite element model (FEM) with different adhesive properties, and the obtained vehicle performances were further explained by the coupon-level experimental tests. The results showed that the vehicle using polyurethane adhesive with a target bond thickness of 1.0 mm allowed for optimal modal frequency and weight reduction.
| Item Type: | Journal Article | ||||||||
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| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TF Railroad engineering and operation T Technology > TS Manufactures |
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| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||||
| Library of Congress Subject Headings (LCSH): | Railroads, Local and light , Railroads, Local and light -- Design and construction, Street-railroads , Street-railroads -- Buildings and structures , Adhesive joints, Joints (Engineering) , Finite element method, Adhesives -- Mathematical models | ||||||||
| Journal or Publication Title: | Materials | ||||||||
| Publisher: | M D P I AG | ||||||||
| ISSN: | 1996-1944 | ||||||||
| Official Date: | 18 November 2021 | ||||||||
| Dates: |
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| Volume: | 14 | ||||||||
| Number: | 22 | ||||||||
| Article Number: | 6991 | ||||||||
| DOI: | 10.3390/ma14226991 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||
| Date of first compliant deposit: | 25 November 2021 | ||||||||
| Date of first compliant Open Access: | 29 November 2021 | ||||||||
| RIOXX Funder/Project Grant: |
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