Influence of Scanning Strategy on the Performances of GO-Reinforced Ti6Al4V Nanocomposites Manufactured by SLM
Abstract
:1. Introduction
2. Materials and Methods
2.1. Preparation of GO/TC4 Nanocomposites
2.2. Finite Element Model for Thermal Analysis
2.3. Material Characterization
2.4. Tribological Test
3. Results and Discussion
3.1. Numerical Simulation of Temperature Fields
3.2. Surface Topography and Surface Roughness
3.3. Surface and Volume Porosity
3.4. Microhardness
3.5. Tribological Behavior
4. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Laser Power (w) | Scanning Speed (mm/s) | Hatching Space (mm) | Layer Thickness (mm) | Laser Spot (μm) |
---|---|---|---|---|
160 | 1000 | 0.06 | 0.03 | 50 |
Indicators | L-Scanning Strategy | S-Scanning Strategy | H-Scanning Strategy | C-Scanning Strategy |
---|---|---|---|---|
Temperature Gradient (°C) | 155.15 | 152.479 | 136.289 | 132.35 |
Cooling Rate (°C/s) | 76,053.9 | 74,744.6 | 66,808.3 | 64,877.5 |
Roughness (μm) | L-Scanning Strategy | S-Scanning Strategy | H-Scanning Strategy | C-Scanning Strategy |
---|---|---|---|---|
H-Surface | 9.20 ± 1.30 | 5.84 ± 0.60 | 6.67 ± 0.60 | 2.80 ± 0.40 |
V-Surface | 6.60 ± 0.80 | 5.23 ± 0.50 | 1.96 ± 0.40 | 1.02 ± 0.30 |
Porosity (%) | L-Scanning Strategy | S-Scanning Strategy | H-Scanning Strategy | C-Scanning Strategy |
---|---|---|---|---|
Surface | 12.3 ± 3 | 10.6 ± 2 | 3.2 ± 1 | 2.6 ± 1 |
Volume | 7.59 ± 1.80 | 5.28 ± 1.50 | 1.96 ± 1.70 | 1.12 ± 0.50 |
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Miao, X.; Liu, X.; Lu, P.; Han, J.; Duan, W.; Wu, M. Influence of Scanning Strategy on the Performances of GO-Reinforced Ti6Al4V Nanocomposites Manufactured by SLM. Metals 2020, 10, 1379. https://doi.org/10.3390/met10101379
Miao X, Liu X, Lu P, Han J, Duan W, Wu M. Influence of Scanning Strategy on the Performances of GO-Reinforced Ti6Al4V Nanocomposites Manufactured by SLM. Metals. 2020; 10(10):1379. https://doi.org/10.3390/met10101379
Chicago/Turabian StyleMiao, Xiaojin, Xin Liu, Peipei Lu, Jitai Han, Weipeng Duan, and Meiping Wu. 2020. "Influence of Scanning Strategy on the Performances of GO-Reinforced Ti6Al4V Nanocomposites Manufactured by SLM" Metals 10, no. 10: 1379. https://doi.org/10.3390/met10101379