AVALIAÇÃO DA SOLDAGEM DO ALUMÍNIO SÉRIE 5000 E 5052 PELO PROCESSO GTAW UTILIZANDO OS ELETRODOS DE TUNGSTÊNIO PURO E O COM 2% DE LÂNTANIO PARA A TRANSFERÊNCIA DO ARCO ELÉTRICO DETERMINANDO AS MELHORES CARACTERÍSTICAS PARA A COALESCÊNCIA

Abstract

The work explores the universe of aluminum welding with the GTAW process for joining, showing the best characteristics for the coalescence of the 5000 and 5052 series aluminum, the almost materials that have been gaining the industrial environment in recent years due to their physical characteristics , but that despite the advantages of these aluminum alloys, some discontinuities in the weld, such as the lack of fusion or penetration, appear in the welding processes making this process complex requiring specific parameters and methods which evolve more and more and welders need skills for the development of welding and do not always find the necessary support materials, therefore, in order to guarantee the quality of the welded joint it is important to have support materials such as descriptions, illustrations, examples and tables that recommend varied parameters and specifications of welding procedures for aluminum alloys so that the weld presents acceptable discontinuities. This work gathers information about aluminum and its classifications, GTAW welding and all the basic welding characteristics and advanced techniques that favor the quality of the weld, safety in the welding and also test results carried out with the parameters presented in the welding, proving that following the whole procedure, excellent quality in the weld had been achieved.