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Influence of Co and Al on pearlitic transformation in superbainitic steels

Hu, F.; Wu, K. M. and Shirzadi, A. A. (2012). Influence of Co and Al on pearlitic transformation in superbainitic steels. Ironmaking & Steelmaking, 39(7) pp. 535–539.

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DOI (Digital Object Identifier) Link: https://doi.org/10.1179/1743281211Y.0000000092
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Abstract

The effect of cobalt and aluminium on the austenite-to-pearlite transformation in a super-bainitic steel was investigated. The experimental work showed that the transformation rate of pearlitic and the volume fraction of pearlite both were increased by adding about 4 wt. % Co and 1.5 wt. % Al to the parent super-bainitic steel. The addition of cobalt and aluminium to super-bainitic steels desirably accelerated the growth rate of pearlitic microstructure, and undesirably reduced the interlamellar spacing of pearlite; resulting in a hardness higher than that of the parent steel in the pearlitic condition. Nevertheless, the accelerated pearlitic reaction, as a softening process of the super-bainitic steels prior to machining/forming, may make the commercial use of these steels more viable.

Item Type: Journal Item
Copyright Holders: 2012 Maney
ISSN: 0301-9233
Keywords: steels; pearlite; microstructure; kinetics; super bainite
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Engineering and Innovation
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Item ID: 35347
Depositing User: Amir Shirzadi
Date Deposited: 31 Oct 2012 09:58
Last Modified: 04 Oct 2016 16:04
URI: http://oro.open.ac.uk/id/eprint/35347
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