This article investigates the effect of fabrication techniques on the physical, mechanical, and erosion wear properties of glass fiber reinforced dolomite dust-filled epoxy composites. The composites were fabricated by hand layup and vacuum-assisted resin transfer molding (VRTM) techniques with fixed glass fiber (20 wt%) and varying dolomite dust (0 to 15 wt%) with epoxy resin.In physical properties, the experimental density consistently increased with the increase in the dolomite hand layup and the VRTM process; in opposite the voids content increased in the hand layup process and decreased in the VRTM process. In mechanical properties, the hardness, impact energy, and interlaminar shear strength increases while tensile and flexural strength consistently decreases with dolomite dust content. Using Taguchi's optimization technique, the erosion wear of the fabricated composites was also evaluated at different impingement angles, impact velocities, and erodent sizes. Erosion test results indicate that the VRTM process fabricated composite has minimum erosion wear compared to the hand layup process. The eroded surfaces were studied using a scanning electron microscope to understand the erosion behavior of particulate-filled fiber reinforced polymer composites.

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Carbon-fiber reinforced polymers (CFRPs) or Carbon-fiber reinforced plastics composites is a material that has caught the interest of many industries due to its excellent properties like strength, lightweight, crashworthiness, style, looks, and many more. This paper discussed the manufacturing of carbon fibres and CFRPs. The properties of carbon fibres and carbon-fiber reinforced plastics composites are discussed in detail. The applications of Carbon-fiber reinforced plastics composites in the field of automotive and aerospace elaborated in detail. The challenges, recycling of CFRPs, and new approaches in the field of fibres reinforced plastic composites are also addressed in this paper.