Improved Mechanical Properties and Energy Absorption of BCC Lattice Structures with Triply Periodic Minimal Surfaces Fabricated by SLM
Abstract
:1. Introduction
2. Materials and Methods
2.1. Design of BCC Lattice Structure
2.2. Materials
2.3. Fabrication of BCC Lattice Structures
2.4. Measurements
3. Results and Discussion
3.1. Geometry and Manufacturability
3.2. Deformation Behavior and Failure Mechanism
3.3. Mechanical Properties
3.4. Energy Absorption under Compressive Deformation
4. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Num | ||||||
---|---|---|---|---|---|---|
CAD-Based BCC | TPMS-Based BCC | |||||
0% | 10% | 20% | 0% | 10% | 20% | |
B10/ BT10 | ||||||
B20/ BT20 | ||||||
B30/ BT30 |
Num | Elastic Modulus | Yield Strength | Compression Strength |
---|---|---|---|
B10 | 224.6 ± 3.1 | 9.68 ± 0.32 | 12.87 ± 0.26 |
BT10 | 284.7 ± 13.9 | 11.55 ± 0.04 | 13.14 ± 0.24 |
B20 | 873.3 ± 15.4 | 41.97 ± 0.42 | 47.23 ± 0.85 |
BT20 | 1230.3 ± 10.1 | 54.25 ± 0.54 | 59.62 ± 0.94 |
B30 | 1904.4 ± 59.9 | 97.14 ± 0.57 | 98.77 ± 1.30 |
BT30 | 2451.1 ± 33.9 | 121.09 ± 1.79 | 134.93 ± 1.79 |
B10 | BT10 | B20 | BT20 | B30 | BT30 | |
---|---|---|---|---|---|---|
(MJ/m3) | 4.13 ± 0.14 | 3.6 ± 0.13 | 7.39 ± 1.92 | 12.81 ± 0.68 | 11.88 ± 0.39 | 33.16 ± 1.57 |
B10 | BT10 | B20 | BT20 | B30 | BT30 | |
---|---|---|---|---|---|---|
0.085 ± 0.151 | 0.114 ± 0.015 | 0.248 ± 0.022 | 0.271 ± 0.029 | 0.490 ± 0.037 | 0.667 ± 0.037 | |
0.989 ± 0.056 | 0.876 ± 0.027 | 0.788 ± 0.021 | 0.954 ± 0.020 | 0.769 ± 0.015 | 0.993 ± 0.016 |
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Zhao, M.; Liu, F.; Fu, G.; Zhang, D.Z.; Zhang, T.; Zhou, H. Improved Mechanical Properties and Energy Absorption of BCC Lattice Structures with Triply Periodic Minimal Surfaces Fabricated by SLM. Materials 2018, 11, 2411. https://doi.org/10.3390/ma11122411
Zhao M, Liu F, Fu G, Zhang DZ, Zhang T, Zhou H. Improved Mechanical Properties and Energy Absorption of BCC Lattice Structures with Triply Periodic Minimal Surfaces Fabricated by SLM. Materials. 2018; 11(12):2411. https://doi.org/10.3390/ma11122411
Chicago/Turabian StyleZhao, Miao, Fei Liu, Guang Fu, David Z. Zhang, Tao Zhang, and Hailun Zhou. 2018. "Improved Mechanical Properties and Energy Absorption of BCC Lattice Structures with Triply Periodic Minimal Surfaces Fabricated by SLM" Materials 11, no. 12: 2411. https://doi.org/10.3390/ma11122411