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Effect of Nozzle Diameter and Raster Angle on the Mechanical Properties of 3D Printed Nylon/ Carbon Fibers

Authors

  • Marwan A. Salman Department of Automated Manufacturing Engineering, Al-Khwarizmi College of Engineering, University of Baghdad, Iraq
  • Sadoon R. Daham Department of Automated Manufacturing Engineering, Al-Khwarizmi College of Engineering, University of Baghdad, Iraq
  • Wael H. A. Shaheen Department of Automated Manufacturing Engineering, Al-Khwarizmi College of Engineering, University of Baghdad, Iraq
  • M. N. Mohammed Mechanical Engineering Department, College of Engineering, Gulf University, Sanad 26489, Bahrain
  • F. F. Mustafa Department of Automated Manufacturing Engineering, Al-Khwarizmi College of Engineering, University of Baghdad, Iraq
  • Oday I. Abdullah Department of Energy Engineering. College of Engineering, University of Baghdad, Iraq | College of Engineering, Al-Naji University, Baghdad, Iraq | Department of Mechanics, Al-Farabi Kazakh National University, Kazakhstan
  • S. Al-Zubaidi Department of Automated Manufacturing Engineering, Al-Khwarizmi College of Engineering, University of Baghdad, Iraq | Mechanical Engineering Department, College of Engineering, Gulf University, Sanad 26489, Bahrain
Volume: 15 | Issue: 2 | Pages: 21410-21417 | April 2025 | https://doi.org/10.48084/etasr.9979

Received: 19 December 2024 | Revised: 20 January 2025 | Accepted: 24 January 2025 | Online: 16 February 2025


Corresponding author: Marwan A. Salman

Abstract

Fused Deposition Modeling (FDM) is classified as the most commonly used 3D printing process due to its low cost, wide range of material selection, and high accuracy. As an additive manufacturing method, FDM selectively deposits a melted plastic material layer by layer to produce a 3D object according to a geometry defined by a CAD model. The 3D printing process parameters, including infill density, printing speed, and printing orientation, have a huge effect on the mechanical properties of the 3D printed parts. Thus, finding the optimum 3D printing parameters is a very significant task that enriches the FDM 3D printing process, resulting in 3D printed parts with augmented mechanical performance. The present study investigates the effects of the FDM injector’s nozzle diameter and printing path direction (raster angle) on the mechanical properties of the nylon/carbon fiber composite 3D printed parts. The two targeted parameters are optimized through experimental tests on the elastic and flexural strength. Their impact on the nylon/carbon fiber composites’ microstructure is also explored deploying Scanning Electron Microscopy (SEM). The findings provide a comprehensive understanding of the mechanical performance of nylon/carbon fiber composite 3D printed parts. In addition, inspecting the internal microstructure of the materials, especially at the interface zone between the nylon and carbon fiber, provides an explanation of the material composites’ failure mechanism under various loads.

Keywords:

fused deposition modeling, raster angle, nylon/carbon fiber, 3D printing, flexural bending

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How to Cite

[1]
Salman, M.A., Daham, S.R., Shaheen, W.H.A., Mohammed, M.N., Mustafa, F.F., Abdullah, O.I. and Al-Zubaidi, S. 2025. Effect of Nozzle Diameter and Raster Angle on the Mechanical Properties of 3D Printed Nylon/ Carbon Fibers. Engineering, Technology & Applied Science Research. 15, 2 (Apr. 2025), 21410–21417. DOI:https://doi.org/10.48084/etasr.9979.

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Copyright (c) 2025 Marwan A. Salman, Sadoon R. Daham, Wael H. A. Shaheen, M. N. Mohammed, F. F. Mustafa, Oday I. Abdullah, S. Al-Zubaidi

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