The modulus of elasticity for boron carbide (B4C) having 5 vol% porosity is 290 GPa (42

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The modulus of elasticity for boron carbide (B4C) having 5 vol% porosity is 290 GPa (42 × 106 psi).
(a) Compute the modulus of elasticity for the nonporous material.
(b) At what volume percent porosity will the modulus of elasticity be 235 GPa (34 × 106 psi)?
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Materials Science and Engineering An Introduction

ISBN: 978-0470419977

8th edition

Authors: William D. Callister Jr., David G. Rethwisch

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