A corrosion cell is composed of a 20 cm2 copper sheet and a 400 cm2 iron sheet,

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A corrosion cell is composed of a 20 cm2 copper sheet and a 400 cm2 iron sheet, with a current density of 0.7 A/cm2 applied to the copper. Which material is the anode? What is the rate of loss of metal from the anode per hour?
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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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