3 ( 35% ) Consider a graphite-reinforced polymer composite lamina, as shown in the figure, with following matrix and fiber material properties: E_(m)=2.6GPa,E_(f)=200GPa, (
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6GPa$ $E_f = 200GPa$ $v_m = 0.4$ $v_f = 0.2$ $V_f = 0.4$ $\sigma_{fmax} = 2600MPa$ $\sigma_{mmax} = 105MPa$ $d/s = 0.65$; 1 Use the simple rule-of-mixtures and inverse rule-of-mixtures formulas to calculate the values of the four elastic constants $E_1$, $v_{12}$, Show more…
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