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: 11.7a

Answer

With regard to composition and heat treatment: White iron- 2.5 to 4.0 wt% C and less than 1.0 wt% Si. There is no heat treatment but cooling is rapid during solidification. Nodular cast iron- 2.5 to 4.0 wt% C, 1.0 to 3.0 wt% Si, and a small amount of Mg or Ce. A heat treatment at about 700°C may be necessary to produce a ferritic matrix.

Work Step by Step

With regard to composition and heat treatment: White iron- 2.5 to 4.0 wt% C and less than 1.0 wt% Si. There is no heat treatment but cooling is rapid during solidification. Nodular cast iron- 2.5 to 4.0 wt% C, 1.0 to 3.0 wt% Si, and a small amount of Mg or Ce. A heat treatment at about 700°C may be necessary to produce a ferritic matrix.
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