The density of BCC iron is 7.882 g/cm3, and the lattice parameter is 0.2866 nm when hydrogen

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The density of BCC iron is 7.882 g/cm3, and the lattice parameter is 0.2866 nm when hydrogen atoms are introduced at interstitial positions. Calculate
(a) The atomic fraction of hydrogen atoms; and
(b) The number of unit cells required on average that contain hydrogen atoms.
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Essentials of Materials Science and Engineering

ISBN: 978-1111576851

3rd edition

Authors: Donald R. Askeland, Wendelin J. Wright

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