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Fiber composite properties blend fiber and matrix using volume fraction rules: E = V_f E_f + V_m E_m (rule of mixtures).
Trin-for-trin guide
- 1Input fiber and matrix properties and volume fraction
- 2Calculate composite properties: strength, modulus
- 3Estimate performance
Løste eksempler
Input
Carbon fiber (250 GPa) 60%, epoxy (3.5 GPa) 40%
Resultat
Composite: E ≈ 152 GPa (strong and lightweight)
Almindelige fejl at undgå
- ✕Not accounting for fiber orientation
- ✕Neglecting interfacial shear stress
Ofte stillede spørgsmål
Can composite exceed fiber properties?
No, rule of mixtures upper bound; actual properties usually lower due to interface effects.
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