Resumo
Este trabalho avalia, na soldagem em operação, a influência do arrefecimento causado por um líquido fluindo em contato com a parede interna de uma tubulação sendo soldada por TIG (GTAW) e eletrodo revestido (SMAW).
Palavras-chave: Soldagem em Operação, Arrefecimento, TIG, Eletrodo Revestido.
Abstract: This work evaluates for in-service welding, the influence of cooling caused by a liquid flowing in contact with the inner wall of a pipe being welded by TIG (GTAW) and stick electrode (SMAW). The welding was done to join connections of an ASTM A105to an 11mm and 6 mm thick API 5L Gr X60 steel pipe. The fluid circulation was made with potable water within two temperature ranges, of 6 to 10ºC and 26 to 36ºC. Four welded joints were simulated, evaluated by non destructive testing (visual, penetrant, magnetic and ultrasonic)
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