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3D 프린팅 인장 시편의 파괴 거동에 미치는 적층 조건의 영향

Effect of Fused Deposition Conditions on the Fracture Behavior of 3D Printed Tensile Specimens

Journal of the Korean Society for Precision Engineering 2020;37(6):421-428.
Published online: June 1, 2020

1 오산대학교 기계공학과

1 Department of Mechanical Engineering, Osan University

#E-mail: kultra@osan.ac.kr, TEL: +82-31-370-2652
• Received: April 23, 2020   • Revised: April 28, 2020   • Accepted: April 29, 2020

Copyright © The Korean Society for Precision Engineering

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Citations

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  • Enhanced Analysis Model to account for Equivalent Anisotropic Properties of Parts according to 3D Printing Conditions
    Chae-Rim Seon, Da-Yeong Jang, Geung Hyeon Lee, Minho Yoon, Jang-woo Han
    Journal of the Computational Structural Engineering Institute of Korea.2025; 38(2): 131.     CrossRef
  • Tensile Behavior of 3D Printed Specimens by Small Punch Test
    Bum Joon Kim
    Journal of the Korean Society for Precision Engineering.2025; 42(10): 879.     CrossRef
  • Experimental Validation of Topology Design Optimization Considering Lamination Direction of Three-dimensional Printing
    Hee-Man Park, Gyu-Bin Lee, Jin-san Kim, Chae-Rim Seon, Minho Yoon
    Journal of the Computational Structural Engineering Institute of Korea.2022; 35(3): 191.     CrossRef

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Effect of Fused Deposition Conditions on the Fracture Behavior of 3D Printed Tensile Specimens
J. Korean Soc. Precis. Eng.. 2020;37(6):421-428.   Published online June 1, 2020
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Effect of Fused Deposition Conditions on the Fracture Behavior of 3D Printed Tensile Specimens
J. Korean Soc. Precis. Eng.. 2020;37(6):421-428.   Published online June 1, 2020
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Effect of Fused Deposition Conditions on the Fracture Behavior of 3D Printed Tensile Specimens
Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image
Fig. 1 3D printing material (PLA)
Fig. 2 3D Printer (Model: 3DWOX-DP200)
Fig. 3 Dimension of round tensile test specimen
Fig. 4 3D printed tensile test specimen and layer direction
Fig. 5 Comparison of 3D printed layer height
Fig. 6 Universal test machine and 3D printing tensile test specimen
Fig. 7 Comparison of tensile behavior at various printing speeds under X direction and layer height (0.2 mm)
Fig. 8 Comparison of tensile behavior at various printing speeds under X direction and layer height (0.4 mm)
Fig. 9 Comparison of tensile behavior at various layer height under X direction and printing speed (100 mm/s)
Fig. 10 Comparison of tensile behavior at various layer height under X direction and printing speed (200 mm/s)
Fig. 11 Comparison of tensile behavior at various printing speeds under Y direction and 0.2 mm layer height
Fig. 12 Comparison of tensile behavior at various printing speeds under Y direction and 0.4 mm layer height
Fig. 13 Comparison of tensile behavior at various layer height under Y direction and 100 mm/s printing speed
Fig. 14 Comparison of tensile behavior at various layer height under Y direction and 200 mm/s printing speed
Fig. 15 Comparison of tensile behavior at various layer direction under 0.2 mm layer height and 15 mm/s printing speed
Fig. 16 Comparison of tensile behavior at various layer direction under 0.2 mm layer height and 100 mm/s printing speed
Fig. 17 Comparison of tensile behavior at various layer direction under 0.2 mm layer height and 100 mm/s printing speed
Fig. 18 Comparison of tensile behavior at various layer direction under 0.2 mm layer height and 100 mm/s printing speed
Fig. 19 Comparison of tensile behavior at various layer direction under 0.2 mm layer height and 100 mm/s printing speed
Fig. 20 Comparison of fracture mode at various layer direction under 0.2 mm layer height and 100 mm/s printing speed
Fig. 21 Comparison of fracture mode at various layer direction under 0.2 mm layer height and 100 mm/s printing speed
Fig. 22 Fracture behavior of X layer direction and under 0.4 mm layer height and 15 mm/s printing speed
Effect of Fused Deposition Conditions on the Fracture Behavior of 3D Printed Tensile Specimens

Material properties of PLA

Print temp.
[oC]
Weight
[g]
Diameter
[mm]
Density
[g/cm3]
210-250 600 1.75 1.06
Tension
[MPa]
Bending
[MPa]
Impact strength (Izod)
[KJ/m2]
40 68 42

3D Printing condition of tensile specimens

3D Printing condition
Nozzle temperature [oC] 200
Volume fraction [%] 100
Layer direction X axis Y axis
Layer height [mm] 0.2 0.4
Printing speed [mm/s] 15 100 200
Table 1 Material properties of PLA
Table 2 3D Printing condition of tensile specimens