Materials Science and Engineering: An Introduction

Published by Wiley
ISBN 10: 1118324579
ISBN 13: 978-1-11832-457-8

Chapter 11 - Applications and Processing of Metal Alloys - Questions and Problems - Page 463: 11.5

Answer

Gray iron is comparatively weak and brittle in tension as a consequence of its microstructure; when an external tensile stress is applied on the tips, the graphite flakes may serve as points of stress concentration. Strength and ductility are much higher under compressive loads.

Work Step by Step

Gray iron is comparatively weak and brittle in tension as a consequence of its microstructure; when an external tensile stress is applied on the tips, the graphite flakes may serve as points of stress concentration. Strength and ductility are much higher under compressive loads.
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