Soldagem circunferencial do aço inoxidável super duplex UNS S32750 pelo processo MIG com controle CMT
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2016
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CONGRESSO NACIONAL DE SOLDAGEM, 42.
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Resumo
This study carried out circumferential welding experiments in tubes with 3.68 mm thick. Welding was
performed using MIG welding equipment with CMT Cold Metal Transfer® control and with the aid
of Motoman robot and a turntable. This was to ensure the accurate positioning of the torch and that the welding
was fully implemented in the 1G position, respectively. The weld joints were then evaluated visually, and the
joints which present fully penetration were then subjected to tensile testing, microhardness Vickers test and
metallography. The welding performed, has shown a lack of penetration for all parameters performed when
welded by CMT conventional process. To avoid this problem, the weld was performed using the CMT process
combined with pulsed arc, thus creating greater energy during welding, resulting in full penetration and
improved surface finish. For this process which has provide fully penetration, the mechanical tests and the
metallographic tests were performed and has present adequate results.
Como referenciar
INVERNIZZI, BRUNO P.; NEVES, MAURICIO D.M. das. Soldagem circunferencial do aço inoxidável super duplex UNS S32750 pelo processo MIG com controle CMT. In: CONGRESSO NACIONAL DE SOLDAGEM, 42., 28-30 de novembro, 2016, Belo Horizonte, MG. Anais... p. 1-12. Disponível em: http://repositorio.ipen.br/handle/123456789/27391. Acesso em: 31 Dec 2025.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.