Effect Of Layer Thickness And Raster Angle On Tensile Properties Of Carbon Fiber Reinforced ABS Printed Part

Razali, Muhamad Farid (2017) Effect Of Layer Thickness And Raster Angle On Tensile Properties Of Carbon Fiber Reinforced ABS Printed Part. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Additive Manufacturing (AM) technologies have been developed as a fabrication method to obtain a functional parts in a short time. One of the famous AM techniques is Fused Deposition Modeling (FDM). With the advantages of minimal wastage and ease of material change, FDM is widely used in fabricating a thermoplastic parts and prototypes. Although it is well known, FDM printing material limited to acrylonitrile butadiene styrene (ABS) or poly lactic acid (PLA). This paper present the research done to determine the influence of layer thickness and raster angle on the tensile properties of ABS and on a new material, carbon fiber reinforced ABS. The sample with three different layer thicknesses (0.18mm, 0.25mm and 0.31mm) and raster angles (30o, 45o and 90o) were tested according to the ASTM D638 standard. It was found that both process parameter affect the tensile strength result. The ideal tensile properties for both material samples were found at layer thickness of 0.18mm and a raster angle of 90o. The result revealed that parts build with larger layer thickness produced lower tensile strength. To analyze the performance of carbon fiber reinforced ABS, a comparison was made between the tensile properties of 3D-printed acrylonitrile butadiene styrene (ABS) and carbon fiber reinforced ABS parts. The result shows that the highest tensile strength of ABS parts were 48% higher than those highest tensile strength for carbon fiber reinforced ABS.

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