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Article

Tailoring of Thermo-Mechanical Properties of Hybrid Composite-Metal Bonded Joints

1
Department of Mechanical Engineering and Aeronautics, City University of London, London EC1V 0HB, UK
2
Enhanced Composites and Structures Centre, Cranfield University, Cranfield MK43 0AL, UK
3
Biorefining and Advanced Materials Research Center, Scotland’s Rural College (SRUC), Kings Buildings, West Mains Road, Edinburgh EH9 3JG, UK
4
Department of Mechanical Engineering, School of Engineering, Shiv Nadar University, Uttar Pradesh 201314, India
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Surface Engineering and Precision Centre, Cranfield University, Cranfield MK43 0AL, UK
*
Authors to whom correspondence should be addressed.
Polymers 2021, 13(2), 170; https://doi.org/10.3390/polym13020170
Received: 29 October 2020 / Revised: 21 December 2020 / Accepted: 23 December 2020 / Published: 6 January 2021
(This article belongs to the Special Issue Multifunctional Smart Polymers and Polymeric Composites)
Metallic substrates and polymer adhesive in composite-metal joints have a relatively large coefficient of thermal expansion (CTE) mismatch, which is a barrier in the growing market of electric vehicles and their battery structures. It is reported that adding carbon nanotubes (CNTs) to the adhesive reduces the CTE of the CNT-enhanced polymer adhesive multi-material system, and therefore when used in adhesively bonded joints it would, theoretically, result in low CTE mismatch in the joint system. The current article presents the influence of two specific mass ratios of CNTs on the CTE of the enhanced polymer. It was observed that the addition of 1.0 wt% and 2.68 wt% of multi-walled CNTs (MWCNTs) decreased the CTE of the polymer adhesive from 7.5×105 °C1 (pristine level) to 5.87×105 °C1 and 4.43×105 °C1, respectively, by 22% and 41% reductions. View Full-Text
Keywords: composite-metal joint; electric vehicles; carbon nanotubes; polymer adhesive; thermal strain measurement; coefficient of thermal strain mismatch composite-metal joint; electric vehicles; carbon nanotubes; polymer adhesive; thermal strain measurement; coefficient of thermal strain mismatch
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MDPI and ACS Style

Khaleque, T.; Zhang, X.; Kumar Thakur, V.; Aria, A.I.; Yazdani Nezhad, H. Tailoring of Thermo-Mechanical Properties of Hybrid Composite-Metal Bonded Joints. Polymers 2021, 13, 170. https://doi.org/10.3390/polym13020170

AMA Style

Khaleque T, Zhang X, Kumar Thakur V, Aria AI, Yazdani Nezhad H. Tailoring of Thermo-Mechanical Properties of Hybrid Composite-Metal Bonded Joints. Polymers. 2021; 13(2):170. https://doi.org/10.3390/polym13020170

Chicago/Turabian Style

Khaleque, Tasnuva, Xiaolong Zhang, Vijay Kumar Thakur, Adrianus I. Aria, and Hamed Yazdani Nezhad. 2021. "Tailoring of Thermo-Mechanical Properties of Hybrid Composite-Metal Bonded Joints" Polymers 13, no. 2: 170. https://doi.org/10.3390/polym13020170

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