Paper Title:
Cast Bonding of Cast Irons to Ferritic Stainless Steel
  Abstract

Composite metal products consisting of two different alloys can be prepared by a few methods. Cast bonding is one of these methods. The bond between the two materials forms primarily in the solid state by diffusion, after casting of a cladding alloy on to the preheated surface of a substrate. In this work, a ferritic stainless steel was used as the substrate, and, gray iron or nodular iron as the cast alloy. It was found that these two alloys can be successfully joined, and under specific casting parameters, a very strong bond develops between the two alloys. Bond strength was found to be greater than that of gray iron. Microstructural zones on both sides of the bond were studied. It was found that diffusion of chromium into iron and diffusion of carbon into steel is significant in bonding. Chemical composition changes due to diffusion was studied by EDS. Fe-Cr-Mn carbides were formed at the bond during the casting. These carbides were largely eliminated by a subsequent high temperature heat treatment.

  Info
Periodical
Materials Science Forum (Volumes 654-656)
Main Theme
Edited by
Jian-Feng Nie and Allan Morton
Pages
2712-2715
DOI
10.4028/www.scientific.net/MSF.654-656.2712
Citation
C. Cingi, V. Rauta, E. Niini, J. Orkas, "Cast Bonding of Cast Irons to Ferritic Stainless Steel", Materials Science Forum, Vols. 654-656, pp. 2712-2715, 2010
Online since
June 2010
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Price
$32.00
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