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Volume 16
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10.3390/polym16233338
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Article

Micro-Injection Molding of Carbon-Fiber-Reinforced Plastic (CFRP)/Polymethyl Methacrylate (PMMA) Composite Components

by
Yingying Xiao
1,
Bin Xu
1,
Hang Zhao
1,*,†,
Likuan Zhu
1,2 and
Jianguo Lei
1,2
1
Guangdong Provincial Key Laboratory of Micro/Nano Optomechatronics Engineering, Shenzhen University, 3688 Nanhai Avenue, Nanshan District, Shenzhen 518060, China
2
Shenzhen Key Laboratory of High Performance Nontraditional Manufacturing, Shenzhen University, 3688 Nanhai Avenue, Nanshan District, Shenzhen 518060, China
*
Author to whom correspondence should be addressed.
†
Current address: School of Sino-German Intelligent Manufacturing, Shenzhen City Polytechnic, 1 Jiangjunmao Avenue, Longgang District, Shenzhen 518116, China.
Polymers 2024, 16(23), 3338; https://doi.org/10.3390/polym16233338
Submission received: 25 October 2024 / Revised: 23 November 2024 / Accepted: 26 November 2024 / Published: 28 November 2024
(This article belongs to the Section Polymer Processing and Engineering)
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Abstract

CFRP exhibits a low specific gravity, good rigidity, and high strength and is widely used in the automobile, aerospace, and biomedical fields. Against this background, the demand for composite components prepared using CFRP and polymers has increased. The service life of composite components is closely related to the bonding strength between the CFRP and the polymer. Here, using CFRP and polymethyl methacrylate (PMMA) as raw materials, composite components were prepared via injection molding. First, micro-grooves were produced on the CFRP surface using the hot-pressing technique. Subsequently, the melted PMMA was filled in these micro-grooves using injection molding, thereby forming the bonding interface of the composite components. These micro-grooves can increase the contact area between CFRP and PMMA, thereby enhancing the bonding strength of the CRFP and PMMA interface. In this study, a single-factor experiment was used to explore the influence of each process parameter on the tensile strength of the composite components. Finally, after optimizing process parameters, the composite components with tensile strength of 10.72 MPa were obtained.
Keywords: composite components; injection molding; carbon-fiber-reinforced plastic; polymethyl methacrylate; composite bonding composite components; injection molding; carbon-fiber-reinforced plastic; polymethyl methacrylate; composite bonding

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MDPI and ACS Style

Xiao, Y.; Xu, B.; Zhao, H.; Zhu, L.; Lei, J. Micro-Injection Molding of Carbon-Fiber-Reinforced Plastic (CFRP)/Polymethyl Methacrylate (PMMA) Composite Components. Polymers 2024, 16, 3338. https://doi.org/10.3390/polym16233338

AMA Style

Xiao Y, Xu B, Zhao H, Zhu L, Lei J. Micro-Injection Molding of Carbon-Fiber-Reinforced Plastic (CFRP)/Polymethyl Methacrylate (PMMA) Composite Components. Polymers. 2024; 16(23):3338. https://doi.org/10.3390/polym16233338

Chicago/Turabian Style

Xiao, Yingying, Bin Xu, Hang Zhao, Likuan Zhu, and Jianguo Lei. 2024. "Micro-Injection Molding of Carbon-Fiber-Reinforced Plastic (CFRP)/Polymethyl Methacrylate (PMMA) Composite Components" Polymers 16, no. 23: 3338. https://doi.org/10.3390/polym16233338

APA Style

Xiao, Y., Xu, B., Zhao, H., Zhu, L., & Lei, J. (2024). Micro-Injection Molding of Carbon-Fiber-Reinforced Plastic (CFRP)/Polymethyl Methacrylate (PMMA) Composite Components. Polymers, 16(23), 3338. https://doi.org/10.3390/polym16233338

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