Optimization of 12Х18Н9Т-Steel Processing by Ring Laser Beams
https://doi.org/10.21122/2227-1031-2023-22-3-186-192
Abstract
Using the MOGA genetic algorithm built into the DesignXplorer module of the ANSYS Workbench program, optimization of laser processing of 12Х18Н9Т-steel by annular beams has been performed. The calculation of temperature fields has been carried out taking into account the dependence of the thermophysical properties of the material on temperature
by the finite element method in the ANSYS Workbench program. A regression model has been obtained for processing 12Х18Н9Т-steel by annular laser beams using a face-centered variant of the central compositional plan of the experiment. The power density and duration of laser radiation pulses, the outer and inner diameters of the laser beam in the processing plane were used as variable factors. The penetration depths of the material and the maximum temperatures in the laser processing zone were used as responses. The influence of processing parameters on the penetration depths of the material in the laser impact zone and the maximum temperature values has been evaluated. It has been established that the depth of penetration of the material and the maximum temperatures are most affected by the power density of laser radiation. Optimization of laser processing of 12Х18Н9Т-steel by annular beams was carried out by setting the limiting values of the maximum tempe-rature in the processing zone for three variants of the minimum penetration depth. The parameters obtained as a result of optimization using the MOGA algorithm and the parameters obtained as a result of finite element modeling are compared. The maximum relative error of the results when determining the maximum temperatures did not exceed 1 % and when determining the maximum penetration depths did not exceed 6 %.
About the Authors
G. A. Bayevich
Francysk Skaryna Gomel State University
Belarus
Belarus
Address for correspondence:
Bayevich Georgiy A. –
Francisk Skorina Gomel State University,
104, Sovetskaya str.,
246028, Gomel, Republic of Belarusю
Tel.: +375 232 50-38-31
baevich@gsu.by
Yu. V. Nikitjuk
Francysk Skaryna Gomel State University
Belarus
Belarus
Gomel
V. N. Myshkovets
Francysk Skaryna Gomel State University
Belarus
Belarus
Gomel
A. V. Maximenko
Francysk Skaryna Gomel State University
Belarus
Belarus
Gomel
I. Yu. Aushev
University of Civil Protection of the Ministry for Emergency Situations of the Republic of Belarus
Belarus
Belarus
Minsk
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Review
For citations:
Bayevich G.A., Nikitjuk Yu.V., Myshkovets V.N., Maximenko A.V., Aushev I.Yu. Optimization of 12Х18Н9Т-Steel Processing by Ring Laser Beams. Science & Technique. 2023;22(3):186-192. (In Russ.) https://doi.org/10.21122/2227-1031-2023-22-3-186-192
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