A Simplified Computational Strategy Focused on Resin Damage to Study Matrix Cracking of The Cross-Ply Laminates Under Uniaxial Tension Load
Abstract
:1. Introduction
2. Experiment
2.1. SEM Tests of the Cross Section of the Transverse Plies
2.2. Uniaxial Tensile Test to Observe the Transverse Cracks
3. Computational Methodology
4. Results and Discussions
4.1. Experimental Results
4.1.1. SEM Tests of the Cross Section of the Transverse Plies
4.1.2. Uniaxial Tensile Test to Observe the Transverse Cracks
4.2. Numerical Results
4.2.1. Crack Initiation and Propagation
4.2.2. In-Situ Transverse Ply Strength
4.2.3. Stiffness Degradation of the Transverse Ply
5. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Longitudinal Young’s Modulus E1/GPa | Transverse Young’s Modulus E2/GPa | In-plane Poisson’s Ratio ν12 | In-plane Shear Modulus G12/GPa | Longitudinal Coefficient of Thermal Expansion α1/(10−6K−1) | Transverse Coefficient of Thermal Expansion α2/(10−6K−1) |
---|---|---|---|---|---|
141 | 9.2 | 0.32 | 4.8 | −0.34 | 34.4 |
Modulus Em/GPa | Poisso-n’s Ratio νm | Coefficient of Thermal Expansion α/(10−6K−1) | Tensile Strength σtm/MPa | Compre-ssive Strength σcm/MPa | Shear Strength σsm/MPa | Critical Fracture Energy Release Rate Gm/(J/m2) |
---|---|---|---|---|---|---|
5.1 | 0.35 | 52 | 121 | 176 | 50 | 90 |
Failure Mode | |||
---|---|---|---|
Tension in 1-drection () | |||
Compression in 1-drection () | |||
Tension in 2-drection () | |||
Compression in 2-drection () |
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Sun, L.; Wang, J.; Hu, H.; Ni, A. A Simplified Computational Strategy Focused on Resin Damage to Study Matrix Cracking of The Cross-Ply Laminates Under Uniaxial Tension Load. Materials 2019, 12, 1984. https://doi.org/10.3390/ma12121984
Sun L, Wang J, Hu H, Ni A. A Simplified Computational Strategy Focused on Resin Damage to Study Matrix Cracking of The Cross-Ply Laminates Under Uniaxial Tension Load. Materials. 2019; 12(12):1984. https://doi.org/10.3390/ma12121984
Chicago/Turabian StyleSun, Liangliang, Jihui Wang, Haixiao Hu, and Aiqing Ni. 2019. "A Simplified Computational Strategy Focused on Resin Damage to Study Matrix Cracking of The Cross-Ply Laminates Under Uniaxial Tension Load" Materials 12, no. 12: 1984. https://doi.org/10.3390/ma12121984