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Article

Analysis of Mechanical Properties and Structural Analysis According to the Multi-Layered Structure of Polyethylene-Based Self-Reinforced Composites

1
DYETEC (Dyeing & Finishing Technology Institute), Computer Aided Engineering (CAE) Center, Daegu 41706, Republic of Korea
2
Department of Energy Engineering, Shinhan University, 95, Hoam-ro, Uijeongbu-si 11644, Republic of Korea
3
KAIST Institute for Information Technology Convergence Intergrated Sensor Team, KAIST, Daejeon 34141, Republic of Korea
4
Department of Advanced Materials Engineering, Shinhan University, 95, Hoam-ro, Uijeongbu-si 11644, Republic of Korea
*
Authors to whom correspondence should be addressed.
Polymers 2023, 15(20), 4055; https://doi.org/10.3390/polym15204055
Submission received: 1 August 2023 / Revised: 4 October 2023 / Accepted: 8 October 2023 / Published: 11 October 2023

Abstract

In this research, a self-reinforced composite material was manufactured using a single polyethylene material, and this self-reinforced composite material has excellent recyclability and is environmentally friendly compared to composite materials composed of other types of material, such as glass fiber reinforced composites (GFRP) and carbon fiber reinforced composites (CFRP). In this research, the manufactured self-reinforced composite material consists of an outer layer and an inner layer. To manufacture the outer layer, low density polyethylene (LDPE) films were laminated on high density polyethylene (HDPE) fabrics and knitted fabrics, and composite materials were prepared at various temperatures using hot stamping. A 3D printing process was utilized to manufacture the inner layer. After designing a structure with a cross-sectional shape of a triangle, circle, or hexagon, the inner layer structure was manufactured by 3D printing high-density polyethylene material. As an adhesive film for bonding the outer layer and the inner layer, a polyethylene-based self-reinforced composite material was prepared using a low-density polyethylene material. Input data for simulation of self-reinforced composite materials were obtained through tensile property analysis using a universal testing machine (UTM, Shimadzu, Kyoto, Japan), and the physical property values derived as output data and actual experimental values were obtained. As a result of the comparison, the error rate between simulation data and experimental data was 5.4% when the shape of the inner layer of self-reinforced composite material was a hexagon, 3.6% when it was a circle, and 7.8% when a triangular shape showed the highest value. Simulation in a virtual space can reduce the time and cost required for actual research and can be important data for producing high-quality products.
Keywords: polyethylene-based self-reinforcing composites; hot stamping; recyclability; interfacial bonding force; compression simulation polyethylene-based self-reinforcing composites; hot stamping; recyclability; interfacial bonding force; compression simulation

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MDPI and ACS Style

Yu, S.; Lee, J.; Kim, J.; Chang, H.; Kang, C.; Sim, J. Analysis of Mechanical Properties and Structural Analysis According to the Multi-Layered Structure of Polyethylene-Based Self-Reinforced Composites. Polymers 2023, 15, 4055. https://doi.org/10.3390/polym15204055

AMA Style

Yu S, Lee J, Kim J, Chang H, Kang C, Sim J. Analysis of Mechanical Properties and Structural Analysis According to the Multi-Layered Structure of Polyethylene-Based Self-Reinforced Composites. Polymers. 2023; 15(20):4055. https://doi.org/10.3390/polym15204055

Chicago/Turabian Style

Yu, Seonghun, Junhee Lee, Jongkyu Kim, Hojong Chang, Chansol Kang, and Jeehyun Sim. 2023. "Analysis of Mechanical Properties and Structural Analysis According to the Multi-Layered Structure of Polyethylene-Based Self-Reinforced Composites" Polymers 15, no. 20: 4055. https://doi.org/10.3390/polym15204055

APA Style

Yu, S., Lee, J., Kim, J., Chang, H., Kang, C., & Sim, J. (2023). Analysis of Mechanical Properties and Structural Analysis According to the Multi-Layered Structure of Polyethylene-Based Self-Reinforced Composites. Polymers, 15(20), 4055. https://doi.org/10.3390/polym15204055

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