NUR MUNIRAH BINTI MUSTAZA School Of Mechanical Engineering, College Of Engineering
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Bone implantation is widely performed for severe conditions such as trauma, tumors, and cyst-related diseases. However, traditional methods pose risks such as infection and implant failure. This study explores a polymer-ceramic composite filament developed via fused deposition modeling (FDM) using polylactic acid (PLA), polyamide 12 (PA12), and wollastonite (WA). The 60PLA/40PA12/10WA blend demonstrated optimal flow behavior (n value 0.39-0.55), low viscosity, and thermal stability (Ea of 12.36 kJ/mol). The 3D-printed parts showed compressive strength (30.21-146.71 MPa) and modulus (0.618-1.52 GPa) comparable to cancellous bone. These results highlight the composite's potential as a viable bone implant material with good structural integrity and printability.
