Effect of Volume Fraction of Epoxy Matrix Coconut Shell Composite on Tensile and Impact Loads

Hariyanto, Agus; Anggono, Agus Dwi; Pratiwi, Dessy Ade; Amali, Anas Bariquddin; Melaty, Sekar; Adi, Zanuar Kusuma; Ngafwan,; Supriyono,; Kultsum, Ummi

doi:10.3390/engproc2024063014

The 7th Mechanical Engineering, Science and Technology International Conference 2024

DOI: 10.3390/engproc2024063014

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Effect of Volume Fraction of Epoxy Matrix Coconut Shell Composite on Tensile and Impact Loads

Agus Hariyanto,

Agus Dwi Anggono,

Dessy Ade Pratiwi

et al.

Abstract: 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/).

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Influence of Interface Modification on the Moisture Absorption and Thermal Resistance of Ramie Fiber/Degradable Epoxy Composites

Geng,

Cai

2024

Materials

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Natural fiber/degradable epoxy composites have received much attention for their advantages of low carbon emissions, low environmental pollution, and utilization of renewable resources. However, the poor interfacial bonding strength and inferior moisture resistance of natural fiber/degradable epoxy composites restrict their application areas. In order to improve the moisture and heat resistance of natural fiber/degradable epoxy resin-based composites, this study modified the surfaces of ramie fibers with hydroxylated carbon nanotubes, silane coupling agents, and sodium hydroxide, respectively. Three types of modified ramie fiber/degradable epoxy composites, namely F-CN-DEP, F-Si-DEP, and F-OH-DEP, were prepared using a winding forming process. The water absorption rate and short-beam shear strength of the materials were tested under different environments, and the fiber morphology and thermal–mechanical properties of the materials were investigated by scanning electron microscopy (SEM) and dynamic mechanical analysis (DMA). The results show that F-CN-DEP exhibited the lowest moisture absorption rate; the highest shear strength, of 43.8 MPa; and a glass transition temperature (Tg) of 121.7 °C. The results demonstrate that carbon nanotubes on the fiber surface can improve the interfacial stability of ramie fiber/degradable epoxy composites in humid and hot environments. These results give guidelines for the development of natural fiber/degradable epoxy composites.

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Influence of Interface Modification on the Moisture Absorption and Thermal Resistance of Ramie Fiber/Degradable Epoxy Composites

Geng,

Cai

2024

Materials

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Effect of Volume Fraction of Epoxy Matrix Coconut Shell Composite on Tensile and Impact Loads

Abstract: 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/).

Cited by 1 publication

References 13 publications

Influence of Interface Modification on the Moisture Absorption and Thermal Resistance of Ramie Fiber/Degradable Epoxy Composites

Influence of Interface Modification on the Moisture Absorption and Thermal Resistance of Ramie Fiber/Degradable Epoxy Composites

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