Optimization of Selected Electroheat Models Based on Calibration of Material Properties

A novel technique of optimizing selected models of electroheat processes (laser or induction-assisted laser welding, cladding, and so on) is presented, based on the calibration of temperature-dependent material properties. These properties often exhibit uncertainties that negatively influence the qu...

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Bibliographic Details
Published in:IEEE transactions on magnetics 2020-01, Vol.56 (1), p.1-4
Main Authors: Petrasova, I., Karban, P., Kotlan, V., Dolezel, I.
Format: Article
Language:English
Subjects:
Calibration
Coupled models
Electric heating
electroheat processes
Heating systems
Laser beam cladding
Laser beam welding
Laser beams
Laser modes
Laser theory
Lasers
Magnetism
Material properties
numerical analysis
Numerical models
Optimization
optimization techniques
Temperature
Temperature dependence
Temperature profiles
Welded joints
Welding
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Description
Summary:A novel technique of optimizing selected models of electroheat processes (laser or induction-assisted laser welding, cladding, and so on) is presented, based on the calibration of temperature-dependent material properties. These properties often exhibit uncertainties that negatively influence the quality of the results. Their calibration starts from experimental investigation and evaluation of temperature profiles of welds or tracks, and the goal is to obtain the same profiles by solving the numerical models. The technique is illustrated with an example of induction-assisted laser welding.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2019.2950088