Related Experiment Video
Updated: Jan 13, 2026
08:43
Fused Filament Fabrication FFF of Metal-Ceramic Components
Published on: January 11, 2019
17.9K
Continuous Filament Fabrication Technology and Its Mechanical Properties for Thin-Walled Component
Tomasz Kozior1, Jerzy Bochnia1, Jiri Hajnys2
1Faculty of Mechatronics and Mechanical Engineering, Kielce University of Technology, 25-314 Kielce, Poland.
Materials (Basel, Switzerland)
|January 10, 2026
Summary
This study explored 3D printing of thin-walled models using Continuous Filament Fabrication (CFF) technology. Results show printing direction significantly impacts strength, with the Y-direction yielding superior results for pure ONYX materials.
Area of Science:
- Materials Science
- Additive Manufacturing
- Mechanical Engineering
Background:
- Thin-walled structures are crucial in various engineering applications.
- Additive manufacturing offers novel fabrication possibilities for complex geometries.
- Understanding material behavior under different printing conditions is essential for optimizing performance.
Purpose of the Study:
- To evaluate the manufacturability and limitations of thin-walled models using Continuous Filament Fabrication (CFF).
- To investigate the influence of printing orientation and material composition on the mechanical properties of 3D-printed samples.
- To identify process-related defects through microscopic analysis of fractured samples.
Main Methods:
- Tensile testing of thin-walled samples manufactured via CFF.
- Comparison of two materials: pure ONYX (polyamide-based) and ONYX reinforced with carbon fiber (ONYX + OCF).
- Analysis of samples printed in different orientations (X, Y, Z) and thicknesses (1 mm, 1.4 mm, 1.8 mm, 4 mm).
- Microscopic examination of fracture surfaces to identify defects.
Main Results:
- Samples printed in the Y-direction exhibited significantly higher tensile strength compared to X and Z directions for pure ONYX (e.g., 49.02 MPa in Y vs. 27.71 MPa in X and 21.28 MPa in Z for 1 mm thick samples).
- ONYX + OCF carbon fiber reinforced samples showed a 191.36% increase in strength compared to pure ONYX samples (4 mm thick, printed in X-direction).
- Limitations associated with using carbon fiber cores in thin-walled structures were identified.
Conclusions:
- Printing orientation is a critical factor influencing the mechanical strength of thin-walled components produced by CFF.
- Carbon fiber reinforcement significantly enhances the tensile strength of ONYX-based materials.
- Further research is needed to fully optimize the use of reinforced materials and explore limitations in thin-walled CFF applications.
