INFLUENCE OF HEAT TREATMENT TIME ON MAGNETIC NOISE DETERMINATION FOR SIGMA PHASE DETECTION IN DUPLEX STAINLESS STEEL SAMPLES OF DIFFERENT THICKNESSES. Seven Editora, [S. l.], p. 585–594, 2025. Disponível em: https://sevenpublicacoes.com.br/editora/article/view/6708. Acesso em: 18 jul. 2025.