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Volume 1, Issue 1

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ISSN: 2165-3992
CODEN: MPCACD
Published Online: 1 September 2012
Page Count: 11

Modeling the Carbonitriding of Steel

He, Liang
Center for Heat Treating Excellence (CHTE), Worcester Polytechnic Institute, Worcester, MA

Xu, Yuan
Center for Heat Treating Excellence (CHTE), Worcester Polytechnic Institute, Worcester, MA

Sisson, Richard D.
Center for Heat Treating Excellence (CHTE), Worcester Polytechnic Institute, Worcester, MA

(Received 3 October 2011; accepted 11 March 2012)

Abstract

A software model, CarbNitrideTool, has been developed to simulate the carbonitriding process. In this paper the fundamentals of the model will be presented and discussed including the experimental determination of the surface boundary conditions and the diffusivities of carbon and nitrogen as a function of alloy composition and temperature. The need for accurate databases is emphasized. The experimental verification of the model is also presented.



Keywords:
carbonitriding, numerical simulation, diffusivity, concentration profile

Paper ID: MPC104389
DOI: 10.1520/MPC104389
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Author Title Modeling the Carbonitriding of Steel Symposium , 0000-00-00 Committee A01