https://doi.org/10.4322/2176-1523.20263358
Tecnol. Metal. Mater. Min., vol.23, e3358, 2026, Publication date June 02, 2026 Effect of pellet feed removal on the sintering process at ArcelorMittal Monlevade Gerson Evaristo de Paula Júnior; Alinne Júlia de Araújo Souza Lima; Patrícia Torres Ambrósio; Érica Simões Rodrigues Vinco; Jorge Luiz de Souza Taveira; Mateus Antônio Gonçalves Assis; Leonardo Francisco Berçot; Thiago Públio Rocha Teixeira Sintering process; HPS; Pellet Feed; Productivity

Original Article

https://doi.org/10.4322/2176-1523.20263326
Tecnol. Metal. Mater. Min., vol.23, e3326, 2026, Publication date April 24, 2026 Characterization of Brazilian biochar from rice husk for application in cementitious pastes Erika Severino de Miranda; Andrielli Morais de Oliveira; Edgar Bacarji; Alex Neves Júnior; Oswaldo Cascudo biochar; supplementary cementitious materials; rice husk; pozzolanic material; mineral addition

Original Article

https://doi.org/10.4322/2176-1523.20263342
Tecnol. Metal. Mater. Min., vol.23, e3342, 2026, Publication date April 27, 2026 Evaluation of high-temperature mechanical properties of Ti-6Al-4V alloy with and without thermal barrier coating for aerospace applications Bianca Costa Rodrigues; Renata Jesuina Takahashi; Luiz Felipe Pereira Soares; Lucas Caetano da Silva; Vera Lúcia de Óthero Brito; Danieli Aparecida Pereira Reis Hot tensile; TBC; Ti-6Al-4V; Fracture mechanism

Original Article

https://doi.org/10.4322/2176-1523.20263286
Tecnol. Metal. Mater. Min., vol.23, e3286, 2026, Publication date April 30, 2026 Development of a resistive system for the directional solidification of aluminum alloys under transient thermal conditions Luiz Gabriel da Silva Nascimento; Mário Vinícius Machado da Silva; Joevan Ramos Nascimento; Dnilson Silva Braga; Deibson Silva da Costa Directional solidification; Microstructural evolution; Thermal gradient control; Directional solidification device

Original Article

https://doi.org/10.4322/2176-1523.20263323
Tecnol. Metal. Mater. Min., vol.23, e3323, 2026, Publication date April 30, 2026 Optimization of the sheet metal inspection process using artificial intelligence Erik de Souza Couto; Luis Fernando de Almeida; Wesley Rossi Pimenta; Daniel Costa Trocades; Regis Fonseca de Oliveira; Yuri Lucas de Souza Paropat; Maycon Lacerda de Oliveira; Silvio de Carvalho Sabença Computer vision; Defect detection; Steel industry; Artificial intelligence

Original Article

https://doi.org/10.4322/2176-1523.20263341
Tecnol. Metal. Mater. Min., vol.23, e3341, 2026, Publication date May 14, 2026 Reduction of longitudinal cracks index in peritectic grades slabs through the steel project and casting parameters optimizations Francisco Necy Alves Júnior; Carlos Henrique Lopes; Carlos Alexandre Azevedo; Paula Renee Macedo Costa Bastos; Lucas Uchoa Sousa; Anderson Nicolodi; José Eduardo Pereira; Eugenio Pacelli Meireles de Araújo; Hilder Ferreira Caldas; Miguel Arcanjo Freitas Almeida Longitudinal cracks; Mould flux; Heat flux; Peritectic steel

Original Article

https://doi.org/10.4322/2176-1523.20263269
Tecnol. Metal. Mater. Min., vol.23, e3269, 2026, Publication date May 18, 2026 Corrosion resistance analysis of electropolished and anodized AISI 316L Raí Inácio Riffel; Sandra Raquel Kunst; Carlos Henrique Amaro da Silva; Vanessa Moura; Cláudia Trindade Oliveira AISI 316L; Electropolishing; Anodizing; Corrosion

Original Article

https://doi.org/10.4322/2176-1523.20263336
Tecnol. Metal. Mater. Min., vol.23, e3336, 2026, Publication date May 19, 2026 Analysis of the influence of moisture in steelmaking gases on the lower heating value and thermal performance Eder Quental de Araújo; José Geraldo da Silva Moreira; Dimas Pereira Coura; Adler Mendonça Fonseca Blast furnace gas; Moisture; Lower heating value; Boiler efficiency

Original Article

https://doi.org/10.4322/2176-1523.20263311
Tecnol. Metal. Mater. Min., vol.23, e3311, 2026, Publication date May 21, 2026 Application of sacrificial electrodes for cathodic protection in steel structures in brazilian mining: efficiency, sizing, and sustainability Adla Bredovv Vermeulen Metallic corrosion; Cathodic protection; Sacrificial anode; Mining

Original Article

https://doi.org/10.4322/2176-1523.20263312
Tecnol. Metal. Mater. Min., vol.23, e3312, 2026, Publication date May 22, 2026 Characterization of recycled 6060 aluminum alloy billets for the extrusion process Ana Carolina Fernandes da Silva; Leonardo Contri Campanelli; Rebeca Cristina Cunha Martins; Paulo Soares Laureano; Danieli Aparecida Pereira Reis Aluminum; Recycled billets; 6060 alloy; Extrusion; Microstructure

Original Article

https://doi.org/10.4322/2176-1523.20263343
Tecnol. Metal. Mater. Min., vol.23, e3343, 2026, Publication date June 02, 2026 Evaluation of the potential incorporation of titanium dioxide nanoparticles  into porous geopolymeric preliminary matrices for CO₂ capture Clara Balduino Vieira; Madeleing Taborda Barraza; Markssuel Teixeira Marvila; Afonso Rangel Garcez de Azevedo Geopolymer; Porosity; Nano-TiO₂; CO₂ capture

Original Article

https://doi.org/10.4322/2176-1523.20263355
Tecnol. Metal. Mater. Min., vol.23, e3355, 2026, Publication date June 02, 2026 Characterization and assessment of the potential use of charcoal ash in cementitious composites Elias Rocha Gonçalves Júnior; Esther Tavares; Afonso Rangel Garcez de Azevedo; Markssuel Teixeira Marvila Charcoal ash; Supplementary cementitious material; Mortar

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/10.4322/2176-1523.20263405
Tecnol. Metal. Mater. Min., vol.23, e3405, 2026, Publication date June 15, 2026 Development and implementation of a mathematical model for predicting zinc coating mass in continuous hot-dip galvanizing plants Eliomar Junior Teixeira Machado; Erik de Souza Couto; Luís Eduardo Smecelato Maldonado; Márcio Pedroso Bastos; Rodrigo Carvalho de Paula; Wesley Rossi Pimenta Real-time predictive control; Multiple regression; Zinc coating mass; Continuous galvanizing; PLC implementation

Original Article

https://doi.org/10.4322/2176-1523.20263371
Tecnol. Metal. Mater. Min., vol.23, e3371, 2026, Publication date June 15, 2026 Characterization of ore types in the Complexo Alegria (Mariana, Brazil): focus on phosphorous, aluminum and titanium contaminants Ana Maria Guilherme Bailon; Leonardo Esteves Bonfioli; Gil Ribeiro Vilela Neto; Sandra Cristina da Silva Porto; Daniel Avelar Lucena; Luís Marcelo Tavares Geometallurgy; Typology; Phosphorus; Aluminum; Titanium

Original Article

https://doi.org/10.4322/2176-1523.20263401
Tecnol. Metal. Mater. Min., vol.23, e3401, 2026, Publication date June 23, 2026 Investigation of the effects of Controlled Short Circuit (CCC) welding parameters on automotive exhaust systems Bruno Pozzebon Oleinick; Aloysio Arthur Becker Fogliatto; Matheus Azevedo Auth Controlled Short Circuit; Automotive exhaust; Galvanized steel; Current-Controlled GMAW

Original Article

https://doi.org/10.4322/2176-1523.20263314
Tecnol. Metal. Mater. Min., vol.23, e3314, 2026, Publication date June 23, 2026 Blast furnace decarbonization via gas injection: impacts on costs and CO₂ emissions Bernardo Loureiro Patto; Michel Haag; Rene Gaiola; Alain Islas Montero; Gustavo Germano Pereira Blast furnace; Gas injection; CO₂ emissions; Production costs

Original Article

https://doi.org/10.4322/2176-1523.20263362
Tecnol. Metal. Mater. Min., vol.23, e3362, 2026, Publication date June 23, 2026 Hydrogen decrepitation of post-consumer NdFeB magnets: a sustainable pre-processing route for rare earth recycling Agnes Mitzi Kich; Rafael Menezes Nunes; Camila Lemos Teixeira; Milena Mattje; Carlos Alberto Mendes Moraes; Feliciane Andrade Brehm Waste electrical and electronic equipment; Urban mining; NdFeB magnets; Hydrogen decrepitation

Original Article

https://doi.org/10.4322/2176-1523.20263329
Tecnol. Metal. Mater. Min., vol.23, e3329, 2026, Publication date July 16, 2026 Implementation of the new continuous temperature measurement in continuous casting tundish Rodrigo Seara Martins; Diego Camargos Bar Martinez; Ricardo Ribeiro Soares; João Fábio Teofilo; Thais Carvalho Sá; Octavio Alves Junior Continuous temperature measurement; Tundish; Operational safety; Process stability

Original Article

https://doi.org/10.4322/2176-1523.20263403
Tecnol. Metal. Mater. Min., vol.23, e3403, 2026, Publication date July 27, 2026 Mineral processing route analysis for compact itabirite from the Serra Azul region, Quadrilátero Ferrífero, Brazil Evandro Luiz de Oliveira Leite; Francielle Camara Nogueira; Érica Linhares Reis Iron ore; Compact itabirite; Pellet feed

Original Article

https://doi.org/10.4322/2176-1523.20263397
Tecnol. Metal. Mater. Min., vol.23, e3397, 2026, Publication date July 28, 2026 Plasma nitriding as a sustainable alternative to electrolytic chromium plating: comparative tribological analysis on white cast iron Luís Filipe Rabelo Maciel, Tiago Manoel de Oliveira Santos, Lucas Marlon Castro Silva, Mariana Botelho Barbosa, Camila Yuri Negrão Konno, Jean Carlo Martins Braga Plasma nitriding; Electrolytic chromium plating; Hexavalent chromium; White cast iron

Original Article

https://doi.org/10.4322/2176-1523.20263471
Tecnol. Metal. Mater. Min., vol.23, e3471, 2026, Publication date August 11, 2026 Evaluation of conventional and emerging geometallurgical models for specific energy prediction in a Brazilian gold mine Lorena Campolina Milan Lucrécio; Leonardo Junior Fernandes Campos; Andreia Bicalho Henriques; Douglas Batista Mazzinghy Geometallurgy; Specific energy; Grinding models; Work index; Optimization

Original Article

https://doi.org/10.4322/2176-1523.20263443
Tecnol. Metal. Mater. Min., vol.23, e3443, 2026, Publication date August 11, 2026 Physical and chemical characterization of graphite ores from different regions of Brazil Edileny Rocha Paula; Luís Alberto Silva; Christopher Rocha de Rezende; Andreia Bicalho Henriques; Fernanda Paiva Lopes Teixeira; Michelly dos Santos Oliveira Graphite; Mineral characterization; Graphitic carbon; Physical and chemical analyses

Original Article

https://doi.org/10.4322/2176-1523.20263338
Tecnol. Metal. Mater. Min., vol.23, e3338, 2026, Publication date March 24, 2026 Effects of thermal properties on weld pool geometry predictions and HAZ thermal cycles in SAW simulations of API 5L X80 steel heavy plates Victor Tomassoni de Paiva Reis; Geovane de Assis Faria; Daynara Faustina Moreira de Oliveira; Geraldo Lúcio de Faria; Rodrigo Rangel Porcaro  API 5L X80 steel; Numerical simulation; Physical simulation; Thermal modeling

Original Article

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/10.4322/2176-1523.20253300
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

https://doi.org/10.4322/2176-1523.20263272
Tecnol. Metal. Mater. Min., vol.23, e3272, 2026, Publication date February 25, 2026 Study of limestone and mill scale as fluxing agents for the recovery of tin from slag concentrates Daniel Mapa Clemente; Johne Jesus Mol Peixoto; José Roberto de Oliveira; Raphael Mariano de Souza; Carlos Antônio da Silva Tin; Melting temperature; FeSn; Tin slag

Original Article

https://doi.org/10.4322/2176-1523.20263315
Tecnol. Metal. Mater. Min., vol.23, e3315, 2026, Publication date March 03, 2026 Cold-agglomerated briquettes as alternative of ferrous burden for blast furnaces Vinícius de Morais Oliveira; Jean Philippe Santos Gherardi de Alencar; Felipe Viana Pimenta; Valdirene Gonzaga de Resende; Fabricio Vilela Parreira; Flávio de Castro Dutra Cold-agglomerated briquettes; Iron ore; Blast furnace

Original Article

https://doi.org/10.4322/2176-1523.20263319
Tecnol. Metal. Mater. Min., vol.23, e3319, 2026, Publication date March 04, 2026 Effect of boron addition on the hot ductility of SAE 5160 steel Cynthia Serra Batista Castro; André Luiz Assunção; Túlio César Nogueira; Ermani Vinícius de Oliveira Lima Boron steel; Segregation; Hot ductility tests

Original Article

https://doi.org/10.4322/2176-1523.20263353
Tecnol. Metal. Mater. Min., vol.23, e3353, 2026, Publication date March 06, 2026 Study of the wear of MgO-C refractory in the slag line of steel ladles Edgard Marcos Ribeiro; Marcos Vinicius Ribeiro da Cunha; Natália de Castro Bicalho; Rafael Ferreira Delfim Bueno; Helton Jackson Costa; Alamar Kasan Duarte; Vinicius dos Santos Ribeiro; Débora Guimarães da Silva; Wander Luiz Vasconcelos Steel ladle; Slag line; Magnesia-carbon refractory (MgO-C); Corrosive wear

Original Article

https://doi.org/10.4322/2176-1523.20263277
Tecnol. Metal. Mater. Min., vol.23, e3277, 2026, Publication date March 10, 2026 Additive manufacturing of metals via extrusion Gisele Duarte Caboclo Antolin; Mauricio Quelhas Antolin; Bruno Sousa da Cunha; Isabella De Miranda Francisco Pereira; Suzane de Sant’Ana Oliveira Additive manufacturing; Metals; Extrusion; Printing speed

Original Article

https://doi.org/10.4322/2176-1523.20263348
Tecnol. Metal. Mater. Min., vol.23, e3348, 2026, Publication date March 17, 2026 Artificial intelligence–based monitoring of risk scenarios Felippe Ribas Barboza; Guilherme Sausen Welter; Lorena Vieira Rezende; Fabricio Fracaroli Cola; Ramon Bonela Safety; Artificial intelligence; Language models; Risk management

Original Article

https://doi.org/10.4322/2176-1523.20263345
Tecnol. Metal. Mater. Min., vol.23, e3345, 2025, Publication date March 19, 2026 Influence of electrodeposition parameter control on morphology, hardness, and wear behavior of nickel coatings on electrolytic copper Verenice Andrade Costa; Maria Aparecida Pinto; Elaine Carballo Siqueira Corrêa; Nayara Aparecida Neres da Silva; Taíse Mate Manhabosco Nickel coating; Electrodeposition; Process parameter control; Wear resistance

Original Article

https://doi.org/10.4322/2176-1523.20263347
Tecnol. Metal. Mater. Min., vol.23, e3347, 2026, Publication date March 19, 2026 Automatic slab allocation at ArcelorMittal Pecém: enhancing logistics efficiency, minimizing inventory aging, and boosting productivity Hana Livia Frota Coelho; Giana Carla Silva Neves; Francisco Necy Alves Junior; Lucas Sousa Uchôa; Carlos Henrique Lopes; Hilder Caldas Ferreira; Darlan Freitas Cavalcante; Paula Renée de Macêdo Costa Bastos; Ranna Alves Frota Automatic allocation; Inventory aging; Productivity; Optimization

Original Article

https://doi.org/10.4322/2176-1523.20263337
Tecnol. Metal. Mater. Min., vol.23, e3337, 2026, Publication date April 22, 2026 Virtual assistant using generative AI applied to iron ore concentration Tiago Caixeta Nunes; Rodrigo Martins Gomes; Felipe Novaes Caldas; Ednei Rodrigues Rocha; Eric Guimarães Vieira; Marcelo Pereira de Castro Alves Generative artificial intelligence; Iron ore; Concentration

Original Article

https://doi.org/10.4322/2176-1523.20263441
Tecnol. Metal. Mater. Min., vol.23, e3441, 2026, Publication date July 21, 2026 Incremental forming of low-nickel austenitic stainless steel: influence of manganese as a γ-phase stabilizer Henrique Cechinel Casagrande; Daniel Fritzen; Anderson Daleffe; Pedro Henrique Menegaro Possamai; Gilson de March; Marcelo Marcos Amoroso; Elton Costa Gomes; Jovani Castelan Austenitic stainless steel; Incremental sheet forming; FLC

or

https://doi.org/10.4322/2176-1523.20263308
Tecnol. Metal. Mater. Min., vol.23, e3308, 2026, Publication date April 24, 2026 Synthesis methods in the production of porous metakaolin-based geopolymers Alexandre Alves Belga Esteves; Afonso Rangel Garcez De Azevedo; Madeleing Taborda Barraza; Markssuel Teixeira Marvila Geopolymers; Metakaolin; Porosity; Microstructure

Review Article