University of Hertfordshire

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Original languageEnglish
Article number101283
JournalThermal Science and Engineering Progress
Publication statusPublished - 1 Jun 2022


The formation of residual stresses due to thermo-mechanical effect and microstructural transformation in the Laser Cladding process predominantly affects the final product integrity and service life. A 3D finite element transient thermo-mechanical model has been developed to predict thermal profile and residual stress distribution for repair application of Ti6Al4V alloy using a moving heat source. Then the developed model was applied for the deposition of ceramic materials Al2O3 and TiC on Ti6Al4V alloy substrate. The outcome of this model is to predict temperature distribution, cooling rate, melt pool depth, heat affected zone and residual stress. This study mainly highlights the thermal effect on the residual stresses for similar and dissimilar clad/substrate materials and suggests the suitable cladding material with minimum residual stress.


Funding Information: Authors highly appreciate the support from the School of Mathematics, Computer Science and Engineering of City, University of London and EU funded Erasmus Mundus (EM) project, EM LEADERS [reference number: 551411-EM-1-2014-1-UK-ERA MUNDUSEMA21_EM]. Publisher Copyright: © 2022

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