Improving the Structural Efficiency of Punched-Metal-Material Based Composites
Polymers 2024
Mihails Lisicins, Dmitrijs Serdjuks, Pāvels Akišins, Viktors Mironovs, Vadims Goremikins, Vjačeslavs Lapkovskis

This study investigates the potential of reusing punched-steel waste, a significant compo nent of solid inorganic waste, in composite materials for construction applications. Driven by the growing global demand for raw materials (which is projected to quadruple by 2050) and the need for sustainable waste management practices, this research explores the creation of a composite mate rial (PPLK) incorporating punched-steel tape (LPM-4 grade) embedded in a polypropylene matrix. Experimental testing of PPLK specimens (310 × 90 × 6.30 mm) and finite element analysis (FEA) were employed to evaluate the mechanical properties and stress concentration coefficient. The results show that the PPLK composite exhibits a load-carrying capacity of 21.64 kN, exceeding the sum of its individual components by 11.37%, demonstrating a synergistic effect between the steel (average tensile strength 220.65 MPa) and polypropylene. FEA further revealed that increasing the matrix’s Citation: Lisicins, M.; Serdjuks, D.; Akishin, P.; Mironovs, V.; Goremikins, V.; Lapkovskis, V. Improving the Structural Efficiency of Punched Metal-Material-Based Composites. Polymers 2024, 16, 3468. https:// doi.org/10.3390/polym16243468 Academic Editor: Hiroshi Yoshihara Received: 3 November 2024 Revised: 2 December 2024 Accepted: 6 December 2024 Published: 12 December 2024 Copyright: © 2024 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https:// creativecommons.org/licenses/by/ 4.0/). modulus of elasticity to 42 MPa significantly reduces the stress concentration coefficient in the steel component, resulting in a 24% enhancement of the elastic force. The findings suggest a viable path toward sustainable waste management and improved material utilisation in the construction industry.


Keywords
punched-metal materials; recycling; industrial wastes; tensioned load-carrying structural members; FEM analysis; coefficient of stress concentration
DOI
10.3390/polym16243468
Hyperlink
https://www.mdpi.com/2073-4360/16/24/3468

Lisicins, M., Serdjuks, D., Akišins, P., Mironovs, V., Goremikins, V., Lapkovskis, V. Improving the Structural Efficiency of Punched-Metal-Material Based Composites. Polymers, 2024, Vol. 16, No. 24, Article number 3468. ISSN 2073-4360. e-ISSN 2073-4360. Pieejams: doi:10.3390/polym16243468

Publication language
English (en)
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