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ASM Handbook

Cast Iron Science and Technology

Edited by
Doru M. Stefanescu
Doru M. Stefanescu
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ASM International
Volume
1A
ISBN electronic:
978-1-62708-179-5
Publication date:
2017
Book Chapter

Corrosion of Cast Irons[1]

Published:
2017
Page range:
502 - 510
Publication history
August 28, 2017

Abstract

Cast irons provide excellent resistance to a wide range of corrosion environments when properly matched with that service environment. This article presents basic parameters to be considered before selecting cast irons for corrosion services. Alloying elements can play a dominant role in the susceptibility of cast irons to corrosion attack. The article discusses the various alloying elements, such as silicon, nickel, chromium, copper, and molybdenum, that enhance the corrosion resistance of cast irons. Cast irons exhibit the same general forms of corrosion as other metals and alloys. The article reviews the various forms of corrosions, such as graphitic corrosion, fretting corrosion, pitting and crevice corrosion, intergranular attack, erosion-corrosion, microbiologically induced corrosion, and stress-corrosion cracking. It discusses the four general categories of coatings used on cast irons to enhance corrosion resistance: metallic, organic, conversion, and enamel coatings.

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2017. "Corrosion of Cast Irons", Cast Iron Science and Technology, Doru M. Stefanescu

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