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Browsing by Author "Khomenko, MD"

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Coupled heat transfer, fluid flow and solidification kinetics for laser additive manufacturing applications

Author: Khomenko, MD ; Makoana, Nkutwane W ; Pityana, Sisa L ; Mirzade, FKH Date: Jul 2021 A new coupled heat transfer and solidification kinetics model is developed for the optimization of microstructure during laser additive manufacturing applications. The Johnson–Mehl–Avrami–Kolmogorov equation is applied in a self-consistent ... Read more
Numerical study to represent non-isothermal melt-crystallization kinetics at laser-powder cladding

Author: Niziev, VG ; Mirzade, FKh ; Panchenko, VYa ; Khomenko, MD ; Grishaev, RV ; Pityana, Sisa L ; Van Rooyen, Corney Date: Apr 2013 The study of laser-powder cladding process subject to heat transfer, melting and crystallization kinetics has been carried out numerically and experimentally. The Kolmogorov-Avrami equation was applied to describe the kinetics of the phase ... Read more
On verification of numerical hydrodynamic model of powder-based laser metal deposition process

Author: Khomenko, MD ; Mirzade, FKH ; Pityana, Sisa L Date: Nov 2018 The developed hydrodynamic model of laser cladding (LC) considering catchment efficiency is verified with experimental data for steel powder LC in a wide range of process parameters. The comparison of the main calculated output parameters ... Read more

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Browsing by Author "Khomenko, MD"

Browsing by Author "Khomenko, MD"

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