Boundary coupled dual-equation numerical simulation on mass transfer in the process of laser cladding

Yanlu Huang; Yongqiang Yang; Guoqiang Wei; Gongying Liang

doi:10.1117/12.757960

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14 January 2008 Boundary coupled dual-equation numerical simulation on mass transfer in the process of laser cladding

Yanlu Huang, Yongqiang Yang, Guoqiang Wei, Gongying Liang

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Proceedings Volume 6825, Lasers in Material Processing and Manufacturing III; 682507 (2008) https://doi.org/10.1117/12.757960
Event: Photonics Asia 2007, 2007, Beijing, China

Abstract

The coupled numerical simulation on fluid flow, heat transfer and mass transfer in the process of laser cladding was undertaken on the basis of the continuum model. In the simulation of mass transfer in the laser molten pool, the concentration distribution in the regions on different sides of the interface between cladding layer and the substrate was calculated separately and coupled at the co-boundary. The non-equilibrium solute partition coefficient was obtained from equilibrium solute partition coefficient according to the Sobolev model. By using the developed software, the distribution of Fe in laser molten pool in an experiment of cladding Stellite 6 on 12CrMoV was calculated. The obtained results well coincide with the experimental ones.

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Yanlu Huang, Yongqiang Yang, Guoqiang Wei, and Gongying Liang "Boundary coupled dual-equation numerical simulation on mass transfer in the process of laser cladding", Proc. SPIE 6825, Lasers in Material Processing and Manufacturing III, 682507 (14 January 2008); https://doi.org/10.1117/12.757960

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