Chemistry: The Molecular Nature of Matter and Change 7th Edition

Published by McGraw-Hill Education
ISBN 10: 007351117X
ISBN 13: 978-0-07351-117-7

Chapter 12 - Problems: 12.107

Answer

Every alloy of copper ( Cu +other metal(s)) is necessarily harder (higher strength) than pure copper by itself, with some elements having much higher strengthening effects than others due to the metallic compounds that may be formed during solidification or heat treating.

Work Step by Step

Tin atoms area different size than copper and when dissolved in molten copper and subsequently frozen, the resulting crystal structure is significantly different producing a microstructure that is more resistant to deformation .
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