Investigation On Mechanical And Thermal Properties Of 100% Recycled 3D Printed ABS Material

Samat, Anis Hazirah (2019) Investigation On Mechanical And Thermal Properties Of 100% Recycled 3D Printed ABS Material. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Additive manufacturing (AM) has been introduced to create prototypes or final product in a short time with low cost in small production. Fused Deposition Modeling (FDM) is one of the methods provided in AM that user-friendly and low-cost materials. The wastes produced in the FDM process can be recycled and thermoplastic ABS was selected as it could be 100% recycled and the optimal material for best printing appearance as well as provide benefits for 3D printing technologies sustainability of waste ABS. This investigation focuses on the mechanical and thermal properties of 100% recycled ABS material in FDM 3D printing process. The 100% recycled ABS filament was created by using mechanical recycling process. The recycled ABS filament used in the 3D printer to build the 100% recycled ABS test specimen. The microstructure of 100% recycled ABS material was analysed by using the fractured cross-sectional area part of the tensile test specimen in X, Y and Z orientation. The result of the analysis shows that the 100% recycled ABS material had some voids and small pores observed on the surface of filament for X, Y and Z orientation test specimen. The microstructure of standard ABS specimen observed that the fracture area of test specimen had some air bubbles in X and Z orientation specimen whereas no air bubbles formed in Y orientation specimen. The impact strength of 100% recycled ABS specimen is analysed by using ASTM D256 and the result obtained is 154.67J/m. The impact strength of standard ABS specimen is 383.31J/m. To investigate the thermal properties of recycled material, Differential Scanning Calorimetry (DSC) machine is run and the glass transition temperature (Tg) analysed. The result obtained for 100% recycled ABS specimen is 100.14 ̊C. The Tg temperature of standard ABS specimen is 104.97 ̊C. The result of the microstructure analysis, impact strength and thermal analysis for 100% recycled ABS material was compared to the result of analysis for standard ABS material.

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