Influência do Calorímetro de Água na Formação do Campo Térmico Gerado no Metal de Base Durante a Soldagem TIG

Abstract

This paper shows test results for studying the influence of the water calorimeter in generation of the thermal field in a base metal during the TIG welding. To accomplish this goal, at first, the purposed methodology was to use a pirometer to measure the temperatures in two cases: with and without water’s flow. Unexpected factors invalidated the results. A new methodology was then purposed using thermocouples equally distributed in a perpendicular line to the welding direction to measure the temperatures. There were satisfactory results, showing for example, the slow cooling without water’s flow. However, there were unexpected results showing, among others, highest temperatures for lowers electric arc length.