Calculation of thermal processes in welding thick plates with moving axisymmetric heat sources

The solution of the heat conductivity problem for moving axisymmetric heat sources in a flat layer (thick plate) is described. Analytical solutions were obtained for heating with moving uniformly distributed annular and circular sources and also volume sources, distributed randomly in the thickness...

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Bibliographic Details
Published in:Welding international 2016-09, Vol.30 (9), p.708-711
Main Authors: Karkhin, V. A., Zharkov, S. V., Mikhaylov, V. G.
Format: Article
Language:English
Subjects:
annular source
Axisymmetric
circular source
fat layer
Flat layers
Heat conductivity
Heat sources
Mathematical analysis
method of sources
plate
Steels
Temperature
Thermal conductivity
Thick plates
volume source
Welding
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Description
Summary:The solution of the heat conductivity problem for moving axisymmetric heat sources in a flat layer (thick plate) is described. Analytical solutions were obtained for heating with moving uniformly distributed annular and circular sources and also volume sources, distributed randomly in the thickness of the flat layer. Quasi-stationary (steady) fields of dimensionless temperature are described. The results of calculations and of experimental thermal cycles in argon-shielded welding of a steel plate are compared.
ISSN:0950-7116
1754-2138
DOI:10.1080/09507116.2016.1143584