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Comparison between the Test and Simulation Results for PLA Structures 3D Printed, Bending Stressed.
Dorin Catana1, Mihai-Alin Pop2, Denisa-Iulia Brus3
1Department of Materials Engineering and Welding, Transilvania University of Brasov, 500036 Brasov, Romania.
Molecules (Basel, Switzerland)
|July 2, 2021
Summary
This study validates simulation for optimizing 3D printing (additive manufacturing) by comparing bending tests with simulations on PLA and PLA-glass structures. Simulation accurately predicts material behavior, reducing design time and material waste.
Area of Science:
- Materials Science
- Mechanical Engineering
- Additive Manufacturing
Background:
- Additive manufacturing (3D printing) has seen significant advancements, driving focus on equipment and materials.
- Understanding the mechanical properties of 3D-printed parts is crucial for design optimization.
Purpose of the Study:
- To compare experimental bending test results with simulation outcomes for 3D-printed PLA and PLA-glass structures.
- To assess the applicability of traditional strength of materials theories to additive manufactured components.
- To evaluate the impact of cross-sectional geometry on the mechanical performance of 3D-printed parts.
Main Methods:
- Experimental bending tests were conducted on 3D-printed structures made from PLA and PLA-glass filaments.
- Finite element analysis (FEA) simulations were performed to replicate the bending stress conditions.
- Comparison of experimental data and simulation results to validate the simulation approach.
Main Results:
- Experimental and simulation results for bending tests showed close agreement, validating the simulation methodology.
- Cross-sectional geometry (shape and type) significantly influences the strength properties of 3D-printed structures.
- Simulation proved effective for optimizing filament consumption and reducing design time, even for multi-material prints.
Conclusions:
- Simulation is a reliable tool for predicting the mechanical behavior of 3D-printed parts, enabling efficient design and material usage.
- Strength of materials principles are applicable to additive manufactured components, with geometry playing a key role.
- The integration of simulation accelerates the design cycle for complex 3D-printed structures.
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