Experimental Characterization and Numerical Simulation of Voids in CFRP Components Processed by HP-RTM
Abstract
:1. Introduction
2. Materials, Equipment and Methods
2.1. CFRP Components Processed by HP-RTM
2.2. Void Characterization and Flexural Property Test
2.3. Permeability Measurements
3. Results and Discussion
3.1. Permeability Analysis
3.2. Numerical Simulation of HP-RTM Process
3.3. Void Characterization
3.4. Flexural Property
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Closing Speed | Pressing Speed | Opening Speed | Press Force | Cure Time | Resin Temperature | Hardener Temperature | Mold Temperature |
---|---|---|---|---|---|---|---|
800 mm/s | 1–80 mm/s | 800 mm/s | 6000 kN | 300 s | 100 °C | 25 °C | 120 °C |
Variables | Levels | ||
---|---|---|---|
1 | 2 | 3 | |
Fiber volume fraction | 52% | 57% | |
Resin injection rate (g/s) | 10 | 16.6 | 20 |
Test No. | Sample Location | Test Variables (Fiber Volume Fraction and Resin Injection Rate) | Simulation Result | Experimental Result |
---|---|---|---|---|
1 | Flat area | 57%, 10 g/s | 2–2.5% | 0.64% |
2 | U-shaped area | 57%, 10 g/s | 2.5–3% | 0.9% |
3 | Flat area | 57%, 16.6 g/s | 2.5–3% | 1.82% |
4 | U-shaped area | 57%, 16.6 g/s | 2.5–3% | 1.89% |
5 | Flat area | 57%, 20 g/s | 3–3.5% | 2.26% |
6 | U-shaped area | 57%, 20 g/s | 3–3.5% | 2.79% |
7 | Flat area | 52%, 10 g/s | 2–2.5% | 0.42% |
8 | U-shaped area | 52%, 10 g/s | 2.5–3% | 0.56% |
9 | Flat area | 52%, 16.6 g/s | 2.5–3% | 0.8% |
10 | U-shaped area | 52%, 16.6 g/s | 3–3.5% | 1.89% |
11 | Flat area | 52%, 20 g/s | 3–3.5% | 2.27% |
12 | U-shaped area | 52%, 20 g/s | 3–3.5% | 2.16% |
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Chen, Z.; Peng, L.; Xiao, Z. Experimental Characterization and Numerical Simulation of Voids in CFRP Components Processed by HP-RTM. Materials 2022, 15, 5249. https://doi.org/10.3390/ma15155249
Chen Z, Peng L, Xiao Z. Experimental Characterization and Numerical Simulation of Voids in CFRP Components Processed by HP-RTM. Materials. 2022; 15(15):5249. https://doi.org/10.3390/ma15155249
Chicago/Turabian StyleChen, Zhewu, Liansheng Peng, and Zhi Xiao. 2022. "Experimental Characterization and Numerical Simulation of Voids in CFRP Components Processed by HP-RTM" Materials 15, no. 15: 5249. https://doi.org/10.3390/ma15155249