Potentiality of MWCNT on 3D-printed bio-inspired spherical-roof cubic core under quasi-static loading

Ma, Quanjin and Rejab, M. R. M. and Abu Hassan, Shukur and Hu, Haichao and Kumar, A. Praveen (2022) Potentiality of MWCNT on 3D-printed bio-inspired spherical-roof cubic core under quasi-static loading. Journal of the Mechanical Behavior of Biomedical Materials, 136 (105514). pp. 1-7. ISSN 1751-6161. (Published)

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Abstract

Sandwich panel is increasingly used as lightweight energy absorbing components, which provides excellent crashworthiness performance with the three-dimensional periodic core. This paper investigates 3D-printed bio-inspired spherical-roof cubic cores with multi-walled carbon nanotubes (MWCNT) and foam-filled cores under quasi-static loading. The proposed bio-inspired spherical-roof cubic cores with 1.5 mm wall thickness were manufactured using the fused filament fabrication process, which used 70% polylactic acid (PLA) and 30% carbon fiber filament. Moreover, four groups of 3D-printed bio-inspired spherical-roof cubic cores were compared and analyzed on compressive properties and failure behavior. Experimental results were shown that foam-filled double bio-inspired spherical-roof cubic core with MWCNT was the maximum Fpeak with 1.92 kN, which provided a much more stable plateau load and better energy-absorbing characteristics. In addition, it is conducted that a double bio-inspired spherical-roof cubic core with four notches core is considered as the potential energy-absorbing core.

Item Type:	Article
Additional Information:	Indexed by Scopus
Uncontrolled Keywords:	3D-printed core; Bio-inspired spherical-roof cubic core; MWCNT; Quasi-static loading; Three-dimensional periodic core
Subjects:	T Technology > TJ Mechanical engineering and machinery T Technology > TL Motor vehicles. Aeronautics. Astronautics
Faculty/Division:	Institute of Postgraduate Studies Faculty of Mechanical and Automotive Engineering Technology
Depositing User:	Mrs Norsaini Abdul Samat
Date Deposited:	04 Nov 2022 02:08
Last Modified:	04 Nov 2022 02:08
URI:	http://umpir.ump.edu.my/id/eprint/35625
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