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AASCIT Journal of Materials

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The Effect of Hot Rolling on the Tribology of Ductile Cast Iron

AASCIT Journal of Materials
Vol.1 , No. 1, Publication Date: May 19, 2015, Page: 14-21

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Authors

[1]	Hebatalrahman A., Eng. Consultant in materials sciences & materials applications, HBRC, GIZA, Egypt.

Abstract

Important applications of graphite bearing ferrous metals such as graphite steel and iron are wear - resistant ones. In these work, The ductile cast iron samples were hot rolled. The hot rolled ductile cast irons were subjected to double annealing by heating to 900C and holding for 3hr then furnace cool to 700C and holding at this temperature for 3hous then furnace cool to room temperature. The effect of cooling rate after rolling on the microstructure of rolled DCI and wear characteristics were determined. The hardness and the wear resistance of hot rolled ductile cast iron were significantly enhanced, the maximum rolling reduction percentages at fast cooling rate (air cool) and slow cooling rate (furnace cool) were evaluated.

Keywords

Hot Rolled, DCI, Microstructure, Hardness, Wear, Double Annealing

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