Effect of wire cut waste in particulate form on mechanical properties of laminated glass composite

Ahmad Noor, Kamarul Shahrin (2024) Effect of wire cut waste in particulate form on mechanical properties of laminated glass composite. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

The utilisation of Wire Electrical Discharge Machining (WEDM) has been prevalent in the industrial sector for approximately half a century where most application used wire made of brass. The wire, a crucial component of the machine, is designed to be utilised only once during the operational cycle. As a result of this, it will inevitably amass within a designated receptacle, such as a box or bin, necessitating the need for periodic emptying. In the context of smaller job shops and manufacturing facilities with lower production volumes, it is a common practise to accumulate the utilised wire and subsequently discard it in designated landfill sites. Hence, the discarded wire was chosen as an option to further study their potential to be incorporated in products. This investigation used scrap brass wire from WEDM (Sodick VZ300L) as a component material and incorporate with fibreglass to serve as reinforcements for laminated composites. The collection of waste wire from the Universiti Teknikal Malaysia Melaka (UTeM) and then breaking it down into particulate form is a crucial step in the process of recycling and repurposing this material. The fabrication of composite specimens is achieved through the utilisation of the hand layup process. The mechanical properties of the laminated composites are then investigated through multiple testing namely tensile (Shimadzu Universal Testing Machine), flexural (Shimadzu Universal Testing Machine) and pendulum impact (Eurotech Charpoy-Izod Impact Tester) to evaluate the performance of the fabricated composite. It can be concluded in Phase 1 of this study that specimen with 50% wire weight, (P50) is the best wire content proven by its maximum ultimate tensile strength measuring 287.55 MPa. Phase 2 demonstrates that specimen with five layers of fibreglass, (P5) has the highest UTS achieving 297. 69 MPa when 23.89 kN of force was exerted which is comparably higher when compared to P50 panel sample UTS result in Phase 1.

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