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  1. fabiof

    young modulus and frequency

    thanks for the responses. The plate I am testing has 90/90 orientation, made of prepeg carbon/expoxi. This might explain E1 = E2
  2. fabiof

    young modulus and frequency

    I am using a numerical/experimental approach to determine the young modulus (E1 and E2) of carbon fiber/epoxi composite plates. The results are showing that E1 is frequency depedent: up to 2 kHz E1 = E2 = 52 GPa; from 2 to 4 kHz E1 = E2 = 55 GPa. These are the values that make the numerical...
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