THERMAL SCIENCE

International Scientific Journal

Thermal Science - Online First

online first only

Experimental and numerical study of temperature field during hard facing of different carbon steels

ABSTRACT
In this research the three-dimensional transient nonlinear thermal analysis of the hard-facing process was performed by using the experimental testing and finite element method. Testing was done at three different carbon steels and the obtained results were compared to one obtained by empirical formulas and welding recommendations. Experimental testing was done on hard faced specimens (plates) with different thickness. Temperatures and temperature cycles was measured by using thermocouples in order to determine maximal temperature and cooling time between 800ºC and 500ºC. After experimental testing the FEM analysis was done. The simulations were executed on the open source platform Salome using the open source finite element solver Code Aster. The Gaussian double ellipsoid was selected in order to enable greater possibilities for the calculation of the moving heat source. The numerical results were compared with available experimental and mathematical results.
KEYWORDS
PAPER SUBMITTED: 2019-07-17
PAPER REVISED: 2019-08-25
PAPER ACCEPTED: 2019-08-31
PUBLISHED ONLINE: 2019-09-15
DOI REFERENCE: https://doi.org/10.2298/TSCI190717338A
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