The effect of surface treatment on the void calculation of thermoset composite by using image analysis

Ahamad Pauzi, Ahmad Zulhilmi (2024) The effect of surface treatment on the void calculation of thermoset composite by using image analysis. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Carbon Fibre-Reinforced Polymer (CFRP) with thermosetting composite with its resin is commonly used in major industries such as high performance automotive and aircraft. Due to unavoidable manufacturing defects which is void formation, the degradation of CFRP performance is occurred. The void formation can be analyzed using image analysis along with its length of specimen. The metallographic grinding and ion polishing are used to obtain surface finishing before undergo microscopic imaging and image analysis. The raw material is divided into 3 regions. In result, the second region consist of highest average void content which is 0.337% of surface’s area. Due to high void content at second region, the mechanical properties are degraded. The void content is compared to maximum tensile stress and maximum flexural stress obtained from the mechanical testing. The patent of void content and mechanical properties can be concluded as negative correlation where the increment of void content reduce the mechanical properties.

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