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Modelling of a temporary temperature field during arc weld surfacing of steel elements taking into account heat of the weld

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In this work, a model of a temperature field in a steel element during a singlepass arc weld surfacing is presented. Analytical solution for half-infinite body model is obtained by aggregating temperature increments caused by applying liquid metal and heat radiation of a moving electrode. The assumptions are Gaussian distributed heat sources of applied metal and the weld and of an electric arc heat source. Computations of the temperature field were carried out during arc weld surfacing of cuboidal steel element. The results are presented as temporary and maximum temperature distribution in the element’s crosssection and thermal cycles at selected points. The accuracy of the solution is verified comparing a calculated fusion line to that obtained experimentally.
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Bibliogr. 17 poz., rys.
  • Faculty of Mechanical Engineering and Computer Science, Czestochowa University of Technology Czestochowa, Poland
  • Pedagogical Faculty, Jan Dlugosz University in Czestochowa, Poland
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