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14 July, 07:51

The modulus of elasticity for a ceramic material having 6.0 vol% porosity is 303 GPa. (a) Calculate the modulus of elasticity (in GPa) for the nonporous material.

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  1. 14 July, 08:06
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    modulus of elasticity for the nonporous material is 340.74 GPa

    Explanation:

    given data

    porosity = 303 GPa

    modulus of elasticity = 6.0

    solution

    we get here modulus of elasticity for the nonporous material Eo that is

    E = Eo (1 - 1.9P + 0.9P²) ... 1

    put here value and we get Eo

    303 = Eo (1 - 1.9 (0.06) + 0.9 (0.06) ²)

    solve it we get

    Eo = 340.74 GPa
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