https://doi.org/10.4322/2176-1523.20253293
Tecnol. Metal. Mater. Min., vol.23, e3293, 2026, Publication date January 12, 2026 Influence of aging temperature on the hardness of 17-4 PH stainless steel produced by fused filament fabrication (FFF) Vitor Mendes Cavalheiro, Eduardo Luis Schneider, Marcelo Favaro Borges, Afonso Reguly, Jorge Luiz Braz Medeiros, Luciano Volcanoglo Biehl, Wagner Caramez, Bruno Oliveira, Julio Cesar Martini 17-4 PH stainless steel; Additive manufacturing; Fused Filament Fabrication (FFF); Precipitation hardening

Original Article

https://doi.org/10.4322/2176-1523.20253325
Tecnol. Metal. Mater. Min., vol.23, e3325, 2026, Publication date January 16, 2026 Experimental evaluation of hole expansion ratio in DP600 steel sheet using a displacement controlled stopping criterion Pablo Souza Pontes, Karine Nascimento Seixas, Rafael Oliveira Santos Hole expansion ratio; Fracture criterion; DP600 Steel; Edge formability

Original Article

https://doi.org/10.4322/2176-1523.20253300
Tecnol. Metal. Mater. Min., vol.23, e3300, 2026, Publication date January 19, 2026 Evaluation of advanced refractories to replace water-cooled panels in steelmaking electric arc furnaces Pedro Henrique Couto Almeida, Victor Carlos Pandolfelli Refractory castables; Electric arc furnace; Panel

Original Article

https://doi.org/10.4322/2176-1523.20253313
Tecnol. Metal. Mater. Min., vol.23, e3313, 2026, Publication date January 19, 2026 Sulfur incorporation assessment in hot metal from the blast furnaces at Usiminas Arthur Felipe Lino Oliveira, Beatriz Fausta Gandra, Henriquison Magela Bottrel Reis Blast furnace; Sulfur; Hot metal; Statistical analysis

Original Article

https://doi.org/10.4322/2176-1523.20253322
Tecnol. Metal. Mater. Min., vol.23, e3322, 2026, Publication date January 19, 2026 Experimental investigation of formability and surface quality of tinplate sheets in the single-point incremental forming process Rafael Oliveira Santos, Victor Gabriel Pereira Ramos, Ladário da Silva, Duílio Norberto Ferronatto Leite, Caio Resende Martins, Luciano Pessanha Moreira Incremental forming; SPIF; Tinplate; Surface roughness

Original Article

https://doi.org/10.4322/2176-1523.20253330
Tecnol. Metal. Mater. Min., vol.23, e3330, 2026, Publication date January 19, 2026 Continuous heating transformation diagram and austenitic grain refinement in a commercial brazilian boron steel Alice Silva Gonçalves, Paulo Sérgio Moreira, Geraldo Lúcio de Faria CHT diagram; Heating rate; Grain refinement; Boron stee

Original Article

https://doi.org/10.4322/2176-1523.20253299
Tecnol. Metal. Mater. Min., vol.23, e3299, 2026, Publication date January 22, 2026 Trade-off between physical and metallurgical properties of dr iron ore pellets Jean Philippe Santos Gherardi de Alencar  Iron ore pellets; Direct reduction; Compressive strength; Metallization

Original Article

https://doi.org/10.4322/2176-1523.20253279
Tecnol. Metal. Mater. Min., vol.23, e3279, 2026, Publication date January 29, 2026 Influence of sheared edges on the susceptibility to hydrogen embrittlement in third-generation AHSS Marcus Vinicius Pereira Arruda, Fernando de Souza Costa, Robson Andrade Paiva, Luiz Fernando Maia de Almeida, Sinésio Domingues Franco Advanced high strength steel; Hydrogen embrittlement; Delayed cracking; Sheared edge

Original Article

https://doi.org/10.4322/2176-1523.20263306
Tecnol. Metal. Mater. Min., vol.23, e3306, 2026, Publication date February 03, 2026 Digital twin for bell-less top charging: accelerating blast furnace start-up and stability Pedro Sampaio Cotta, Ronaldo Schittini Gardoni Junior Digital twin; Bell-less top charging system; Siemens SIMIT; Rockwell supervision and control system

Original Article

https://doi.org/10.4322/2176-1523.20263289
Tecnol. Metal. Mater. Min., vol.23, e3289, 2026, Publication date February 05, 2026 Statistical analysis of the tensile strength mechanical properties of thermoplastic polymers (EVA, LDPE, PP) after exposure to different chemical solvents Lara Vasconcellos Ponsoni, Marina Kauling de Almeida, Kristian Madeira, Gustavo Pacheco Militão, Eduardo Junca, Matheus Vinicius Gregory Zimmermann Chemical degradation; Mechanical properties; Statistical analysis

Original Article

https://doi.org/10.4322/2176-1523.20263290
Tecnol. Metal. Mater. Min., vol.23, e3290, 2026, Publication date February 09, 2026 Influence of the milling type on a ceramic body for sanitary ware production Ana Paula Hertel Dutra, Felipe de Paula Faria, Sylma Carvalho Maestrelli  Milling; Slip casting; Sanitary ware; Rheology

Original Article

https://doi.org/10.4322/2176-1523.20263274
Tecnol. Metal. Mater. Min., vol.23, e3274, 2026, Publication date February 11, 2026 Evaluation of loss on ignition (LOI) in iron ore blending and its implications for Samarco’s geometallurgical model Thiago Lucas da Silva, Leonardo Esteves Bonfioli, Lucas da Silva Campos, Pedro Henrique Alves Campos, Douglas Batista Mazzinghy Geometallurgy; Additivity; Mine planning; Loss on ignition

Original Article

https://doi.org/10.4322/2176-1523.20263305
Tecnol. Metal. Mater. Min., vol.23, e3305, 2026, Publication date February 12, 2026 Formability investigation of two advanced high-strength steels: conventional versus high total elongation 780 MPa grades Francislaynne Lages Dias, Fabrício Moreira Cerqueira, Flávio José Saraiva Rodrigues, Marden Valente de Souza, Jetson Ferreira Lemos, Roan Sampaio de Souza, Gabriel Godinho Alves, Felipe Pereira Finamor, Fabiano José Fabri Miranda AHSS; 780 MPa Grade; Microstructure; Formability

Original Article

https://doi.org/10.4322/2176-1523.20263350
Tecnol. Metal. Mater. Min., vol.23, e3350, 2026, Publication date February 19, 2026 Nitrogen dynamics in steels produced in electric arc furnace and the challenges for the future Rubia Teodoro Silva, Ismael Vemdrame Flores Electric Arc Furnace (EAF); Nitrogen control; Thermodynamics and kinetics; Decarbonization.

Original Article