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Chap 16 Solns-6E

# Chap 16 Solns-6E - aramid fiber-reinforced polycarbonate...

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CHAPTER 16 COMPOSITES PROBLEM SOLUTIONS 16.3 The elastic modulus versus volume percent of WC is shown below, on which is included both upper and lower bound curves; these curves were generated using Equations (16.1) and (16.2), respectively, as well as the moduli of elasticity for cobalt and WC given in the problem statement. 16.11 This problem calls for us to compute the longitudinal tensile strength and elastic modulus of an

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Unformatted text preview: aramid fiber-reinforced polycarbonate composite. (a) The longitudinal tensile strength is determined using Equation (16.17) as σ cl = σ m ' 1-V f ( 29 + σ f V f = (45 MPa)(0.70) + (3600MPa)(0.30) = 1100 MPa (160,000 psi) 152 (b) The longitudinal elastic modulus is computed using Equation (16.10a) as E cl = E m V m + E f V f = (2.4 GPa)(0.70) + (131 GPa)(0.30) = 41 GPa (5.95 x 10 6 psi) 153...
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Chap 16 Solns-6E - aramid fiber-reinforced polycarbonate...

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