Effect of Morphological Changes due to Increasing Carbon Nanoparticles Content on the Quasi-Static Mechanical Response of Epoxy Resin
Abstract
:1. Introduction
2. Materials and Methods
2.1. Epoxy Resin
2.2. Release Agent
2.3. Curing Agent
2.4. Adding Nanoparticle to the Epoxy Mixture
2.5. Injection Molding of CNP Filled Epoxy
2.6. Test Specimens
3. Results and Discussion
3.1. Morphology and Composition
3.2. 3D Dispersion
3.3. Mechanical Testing
3.3.1. Nanoindentation
3.3.2. Tension and Compression Test Data
4. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Stage | Time (*hh:mm) | Stage Description |
---|---|---|
1 | 00:00 | One hour stirring epoxy (13 mL), DDSA (8 mL), and MNA (7 mL) at RT |
2 | 01:00 | Increase the epoxy mixture temperature to 100 °C Add CNPs Stir the CNP-epoxy mixture at 100 °C for 20 min |
3 | 01:20 | Turn off heating Continue stirring for 2 h at **RT under vacuum condition |
4 | 03:20 | Add curing agent DMP-30 (2 mL = 15 drops) at RT Stir for 21 h under vacuum conditions using a Schlenk line |
5 | 15:20 | Inject the mixture into the mold |
6 | 16:00 | Cure the molded mixture using vacuum assisted oven at 80 °C |
7 | 28:00 | Take out the mold and let cool down for an hour |
8 | 29:00 | Open the mold and take out the specimen |
CNP wt % | Tensile Modulus, GPa | Compressive Modulus, GPa | Nanoindentation Compressive Modulus, GPa | Compressive Strength, MPa | Nanoindention Hardness, MPa | Failure Strain, % |
---|---|---|---|---|---|---|
0 | 1.18 | 0.99 | 3.3 | 79.84 | 160 | 11.55 |
1 | 1.21 ⬆ (+3%) | 0.99 ⬆ (<1%) | 3.4 ⬆ (+3%) | 79.86 ⬆ (<1%) | 180 ⬆ (+13%) | 12.15 ⬆ (+5%) |
2 | 1.24 ⬆ (+5%) | 1.03 ⬆ (+4%) | 3.6 ⬆ (+9%) | 91.13 ⬆ (+14%) | 180 ⬆ (+13%) | 14.00 ⬆ (+21%) |
5 | 0.83 ⬇ (−30%) | 0.84 ⬇ (−15%) | 3.4 ⬆ (+3%) | 69.40 ⬇ (−13%) | 120 ⬇ (−25%) | 11.10 ⬇ (−4%) |
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Nezhad, H.Y.; Thakur, V.K. Effect of Morphological Changes due to Increasing Carbon Nanoparticles Content on the Quasi-Static Mechanical Response of Epoxy Resin. Polymers 2018, 10, 1106. https://doi.org/10.3390/polym10101106
Nezhad HY, Thakur VK. Effect of Morphological Changes due to Increasing Carbon Nanoparticles Content on the Quasi-Static Mechanical Response of Epoxy Resin. Polymers. 2018; 10(10):1106. https://doi.org/10.3390/polym10101106
Chicago/Turabian StyleNezhad, Hamed Yazdani, and Vijay Kumar Thakur. 2018. "Effect of Morphological Changes due to Increasing Carbon Nanoparticles Content on the Quasi-Static Mechanical Response of Epoxy Resin" Polymers 10, no. 10: 1106. https://doi.org/10.3390/polym10101106