New fire-resistant steel alloyed with Nb-Mo-B-Ti: Mechanical properties and characterization via SEM, TEM, and APT - Bauri, Luiz Felipe; Ferreira, Andre Marx; Ariza Echeverri, Edwan Anderson; CARVALHO, F. M. S.B.; Gomes, P. M. C. D; Sonkusare, R.; Lu, Y.; Tschiptschin, André Paulo; Goldenstein, Hélio (Materials Characterization, 2025)