Eventos Anais de eventos
CREEM2025
CREEM 2025 - XXXI Congresso Nacional de Estudantes de Engenharia Mecânica Congresso Nacional de Estudantes de Engenharia Mecânica
ANÁLISE DA ADIÇÃO DE N2 AO GÁS DE PROTEÇÃO E DA VARIAÇÃO DA FREQUÊNCIA DO ARCO PULSADO NA SOLDAGEM DO AÇO INOXIDÁVEL HIPERDUPLEX
Submission Author:
Nandara Alves , RJ , Brazil
Co-Authors:
Nandara Alves, André Pimenta, Renato Freitas, Douglas Ferreira
Presenter: Nandara Alves
doi://10.26678/ABCM.CREEM2025.CRE2025-0115
Abstract
Hyperduplex steels stand out for their corrosion resistance and application in chemical and oil industries. The autogenous TIG welding process, without the use of filler metal, can cause imbalances in the ferrite-austenite phases and deleterious precipitations, affecting the performance of these steels. This work aims to optimize parameters to ensure the quality and durability of welds in hyperduplex stainless steels, providing superior performance in industrial applications, using the addition of N2 in duplex stainless steels, especially hyperduplex, with the goal of obtaining welded joints with good mechanical properties and corrosion resistance.
Keywords
Hyperduplex., Corrosion Resistance., TIG welding, Welding Parameters., Shielding Gas.
