| Material | ( E_1 ) (GPa) | ( E_2 ) (GPa) | ( G_12 ) (GPa) | ( \nu_12 ) | ( X_t ) (MPa) | Density (g/cm³) | |----------|---------------|---------------|------------------|--------------|----------------|-----------------| | AS4/3501-6 (Carbon/Epoxy) | 145 | 10.5 | 7.0 | 0.28 | 2280 | 1.58 | | E-glass/Epoxy | 45 | 12 | 4.0 | 0.30 | 1080 | 1.85 | | Kevlar/Epoxy | 76 | 5.5 | 2.1 | 0.34 | 1400 | 1.38 |
Free strains: ( \epsilon^th = \alpha \Delta T ), ( \epsilon^wet = \beta \Delta C ) Resultant thermal/moisture loads: [ N^th = \sum_k \barQ k (\alpha_k \Delta T) t_k ] [ M^th = \sum k \barQ_k (\alpha_k \Delta T) t_k \barz_k ] advanced mechanics of composite materials and structures pdf
A is a combination of two or more distinct materials (reinforcement + matrix) with a distinguishable interface. Classification: | Material | ( E_1 ) (GPa) |
No search for is complete without a thorough exposition of Classical Lamination Theory. CLT is the cornerstone for analyzing laminate stacks (multiple laminae bonded together). A robust PDF will detail: A robust PDF will detail: