Characterisation of swellability and compressive and impact strength properties of corn husk fibre composites

Sari, Nazmi Herlina and Fajrin, Jauhar and Suteja, Suteja and Fudholi, Ahmad (2020) Characterisation of swellability and compressive and impact strength properties of corn husk fibre composites. Composites Communications, 18 (1). pp. 49-54. ISSN 2452-2139

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This study aims to investigate the impact and compressive strength properties of corn husk fibre (CHF)/polyester composites. The composites were subjected to water immersion treatment at two different durations. A polyester mixture with CHF of different fibre volume fractions was formed via hot press at 107 �C for 5 min. All composites were soaked in water for 24 and 72 h. Characterisation of impact and compressive strength, water absorption and thickness swelling properties of the composites were evaluated. The morphology of surface fractures of the composites was also analysed using scanning electron microscopy (SEM). Results show that the impact and compressive strength, thickness swelling and water absorption properties of the composites initially increased after 24 h of dyeing treatment. After soaking for 72 h, the moisture absorption and swellability properties of each composite increased by approximately 0.24%–1.38% and 0.08%–1.04%, respectively. Consequently, the impact strength of the composites increased, but the compressive strength decreased due to the weakened interface of polyester–fibres. SEM images show the interface between the fibres and the spread of fibres and voids. These results indicate that CHF composites can be an alternative for wood composites as construction materials.

Item Type: Article
Keywords (Kata Kunci): Corn husk fibre composites, Compressive properties, Impact properties, Water absorption, Swellability and SEM
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Fakultas Teknik
Depositing User: Dr Jauhar Fajrin
Date Deposited: 16 Oct 2020 01:19
Last Modified: 16 Oct 2020 01:19

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