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Two-Dimensional Mathematical Modeling of the Pack Carburizing Process

Sarkar, S and Gupta, GS (2008) Two-Dimensional Mathematical Modeling of the Pack Carburizing Process. In: Metallurgical and Materials Transactions A, 39 (10). pp. 2424-2434.

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Pack carburization is the oldest method among the case-hardening treatments, and sufficient attempts have not been made to understand this process in terms of heat and mass transfer,effect of alloying elements, dimensions of the sample, etc. Thus, a two-dimensional mathematical model in cylindrical coordinate is developed for simulating the pack carburizationprocess for chromium-bearing steel in this study. Heat and mass balance equations are solved simultaneously, where the surface temperature of the sample varies with time, but the carbon potential at the surface during the process remains constant. The fully implicit finite volume technique is used to solve the governing equations. Good agreement has been found between the predicted and published data. The effect of temperature, carburizing time, dimensions of the sample, etc. on the pack carburizing process shows some interesting results. It is found that the two-dimensional model gives better insight into understanding the carburizing process.

Item Type: Journal Article
Publication: Metallurgical and Materials Transactions A
Publisher: Springer
Additional Information: Copyright of this article belongs to Springer.
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 12 Sep 2008 06:03
Last Modified: 19 Sep 2010 04:49
URI: http://eprints.iisc.ac.in/id/eprint/15727

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