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Tecnol. Metal. Mater. Min., vol.22, e3002, 2025, Publication date January 13, 2025 Dilatometric insights into classical and modern maraging steels: a comparative analysis of grades 300, 350, and 400 Ana Larissa Melo Feitosa; Daniela Passarelo Moura da Fonseca; Leandro Gomes de Carvalho; Angelo Fernando Padilha 18Ni maraging steels (300 and 350); 13Ni maraging steels (400); Dilatometry; Phase transformation; Additive manufacturing

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Tecnol. Metal. Mater. Min., vol.22, e3074, 2025, Publication date January 13, 2025 Aproveitamento sustentável da escória de aciaria Leonardo Neves; Vinícius Delmo de Oliveira Melo; Ricardo Luiz Perez Teixeira; Leonardo Lúcio de Araújo Gouveia; Paulo Renato Perdigão de Paiva Aciaria; Blocos intertravados; Escória de aciaria; Gestão de resíduos sólidos; Reaproveitamento; Sustentabilidade

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Tecnol. Metal. Mater. Min., vol.22, e3128, 2025, Publication date January 14, 2025 Magnetic and electrostatic separation to increase tin in heavy minerals concentrate of Rondônia Tin Province Gustavo Simões de Araújo; Júlia Guimarães Sanches; Maurício Guimarães Bergerman; Guilherme José Ramos de Oliveira; Daniela Gomes Horta Magnetic separation; Electrostatic separation; Heavy minerals; Cassiterite

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https://doi.org/10.4322/2176-1523.20243149
Tecnol. Metal. Mater. Min., vol.22, e3149, 2025, Publication date January 14, 2025 Use of auto machine learning, artificial intelligence, for predictive modeling of metallurgical properties of hot-rolled steel products Alisson Paulo de Oliveira; Leonardo Sene de Lourenço  Artificial Intelligence; Machine learning; HSLA steel; Modelling

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https://doi.org/10.4322/2176-1523.20243140
Tecnol. Metal. Mater. Min., vol.22, e3140, 2025, Publication date January 23, 2025 Physical and chemical characterization of a kamafugite from northwest Minas Gerais Luís Alberto Silva; Christopher Rocha de Rezende; Carolina Maia Coelho; André Luis Pimenta de Faria; Luiz Werner Brandao; Natal Junio Pires; Michelly dos Santos Oliveira Ore characterization; Kamafugites; Vulcanic rocks

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https://doi.org/10.4322/2176-1523.20253133
Tecnol. Metal. Mater. Min., vol.22, e3133, 2025, Publication date January 31, 2025 Technological and mineralogical characterization of the ‘Dália’ Pegmatoid for ornamental applications Alinne Marianne Martins Araújo; Laércio Leal dos Santos; Willian de Paiva; Felisbela Maria da Costa Oliveira; Dwight Rodrigues Soares; Antônio Augusto Pereira Sousa; Elibe Silva Souza; Josenildo Isidro dos Santos Filho X-ray diffraction; Petrography; Water absorption

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Tecnol. Metal. Mater. Min., vol.22, e3077, 2025, Publication date January 31, 2025 Metallurgical processing of rare earths ore by alkaline hydrothermal conversion and control of iron Marisa Nascimento; Bruna Malvar Castello Branco; Paulo Sergio Moreira Soares Monazite; Alkaline conversion; Rare earths; Leaching

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Tecnol. Metal. Mater. Min., vol.22, e3069, 2025, Publication date February 27, 2025 Application of remote sensing and digital triangular surface terrain model for production estimates in mining Karena Layane da Silva; Osvail André Quaglio Blistering; Density; Triangular mesh; Volume

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Tecnol. Metal. Mater. Min., vol.22, e3142, 2025, Publication date February 27, 2025 Tribological behavior of SAE 1045 x DIN GG20 materials in concave-convex contact in machine tools Níkolas Andrei Furlan Canabarro; Victor Velho de Castro; Felipe Ariel Furlan Canabarro; Evandro Benincá; Bruno Bueno; Fabiana Lopes da Silva; Célia de Fraga Malfatti Tribology; Concave-convex contact; Machinery and equipment; Steels; Cast iron

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Tecnol. Metal. Mater. Min., vol.22, e3147, 2025, Publication date March 11, 2025 Instrumented ultramicrohardness testing on NiTi alloys produced by selective laser melting Danilo Abílio Corrêa Gonçalves; Naiara Vieira Le Senéchal; Fábio Silva de Oliveira; Rafael Ramos; Rodolfo da Silva Teixeira; Paulo Paiva Oliveira Leite Dyer; Getúlio de Vasconcelos; Andersan dos Santos Paula Selective laser melting; Additive manufacturing; NiTi; Ultramicrohardness

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Tecnol. Metal. Mater. Min., vol.22, e3171, 2025, Publication date March 21, 2025 Development of high-carbon low-alloy steel (BW BL 50CRMO4) at Arcelormittal Tubarão and Waelzholz Brasmetal rolling for final application in chainsaw bars Henrique Severiano de Jesus; Fernando Generoso Neiva Ferreira; Eduardo Alves Machado; Fabiano Almir Barbosa; Juliano Braz Possati; Marcelo Urdapilleta Rodrigues; Maurício Franco Bomfim; Marina de Lima Barroso; Daniel Augusto Ferro; Thomas Frank High-carbon steel; chainsaw bar; ArcelorMittal Tubarão; Waelzholz Brasmetal Laminação

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Tecnol. Metal. Mater. Min., vol.22, e3125, 2025, Publication date March 24, 2025 Microstructure and properties characterization of a Ti-Nb high strength micro alloyed steel for cold forming Bruno Bastos da Silva Murad; Angelo Fernando Padilha Hot rolling; Cold forming; High strength low alloy steels

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Tecnol. Metal. Mater. Min., vol.22, e3187, 2025, Publication date March 24, 2025 Combustion of high mesh content waste tires and coal for blast furnace injection via thermogravimetric analysis Gabriel Penna Kramer Lima; Hector Alejandro Picarte Fragoso; Juliana Gonçalves Pohlmann; Antônio Cezar Farias Vilela; Eduardo Osório  Pulverized coal injection; Waste tire; Thermogravimetric analyzer; Blast furnace

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Tecnol. Metal. Mater. Min., vol.22, e3126, 2025, Publication date March 27, 2025 Obtaining and characterizing polypropylene and ultrasonicated muscovite composites Fábio Rezende de Souza; Elaine Vidal Dias Gomes Libano; Silvia Cristina Alves França; Shirleny Fontes Santo Muscovite; Polypropylene; Composites; Ultrasound treatment

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Tecnol. Metal. Mater. Min., vol.22, e3199, 2025, Publication date March 27, 2025 Recovery of fine cassiterite from jigging tailing in Colniza/MT using shaking tables Cirila Raquel de Araújo Gomes e Silva; Igo Marinho Serafim Borges; Jaquelynne Cassia de Amorim; Wesley Oliveira Lemos; Luís Felipe Schons Silva; Elenice Maria Schons Silva; André Carlos Silva Cassiterite; Gravity concentration; Tin recovery; Shaking tables

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Tecnol. Metal. Mater. Min., vol.22, e3159, 2025, Publication date March 31, 2025 Program for exergy analysis of steel refining in a ladle furnace David de Souza Zanon; Gabriel Evangelista Medeiros; Sonia Letichevsky; Roberto Ribeiro de Avillez Exergy; Refining; Ladle furnace; Steelmaking

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Tecnol. Metal. Mater. Min., vol.22, e3118, 2025, Publication date April 01, 2025 1Cr-0.5Mo steel mechanical and microstructural evaluation for petrochemical industry application Camilla Pessanha Schiavo; José Calos Fortes Palau; Renata Jesuina Takahashi; Ana Flávia Bezerra; Fabíola Caroline Gonçalves Pereira; Danieli Aparecida Pereira Reis ASTM A335 P11; Cr-Mo steel; Mechanical behaviour; Seamless pipes

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Tecnol. Metal. Mater. Min., vol.22, e3157, 2025, Publication date April 16, 2025 High grade quartz products from magnetic separation and flotation of iron ore tailings Neymayer Pereira Lima; Gilmara Lopes; Lais Resende; Livia Faustino Iron ore tailings; High grade quartz products; Magnetic separation; Flotation

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Tecnol. Metal. Mater. Min., vol.22, e3108, 2019, Publication date May 12, 2025 Processing, microstructural, and mechanical characterization of extruded 6013 aluminum alloy Renata Querolaine Torres; Gisele Fabiane Costa Almeida; Carolina Sayuri Hattori; Luiz Carlos da Silva Filho High strength aluminum alloys; Al-Mg-Si-Cu Alloys; Microstructural characterization

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Tecnol. Metal. Mater. Min., vol.22, e3204, 2025, Publication date May 12, 2025 Niobium addition effect of SAE 4320 steel properties after annealing and normalizing stages of the automotive carburized component manufacturing Camila de Brito Ferreira; Leonardo Contri Campanelli; Anibal de Andrade Mendes Filho; Rafael Wagner Simoni; Rafael Stella Galdino; Danieli Aparecida Pereira Reis Microalloyed steel; Cold forging; Annealing; Normalizing

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Tecnol. Metal. Mater. Min., vol.22, e3228, 2025, Publication date May 13, 2025 EBSD characterization methods to calculate hardening mechanisms and optimize thermomechanical control processing – a review Geraldo Lúcio de Faria; Rodrigo Rangel Porcaro; Leonardo Barbosa Godefroid; Luiz Cláudio Cândido; Ricardo José de Faria High strength steel; Thermomechanical processing; Microstructural characterization; EBSD; Hardening mechanisms prediction

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Tecnol. Metal. Mater. Min., vol.22, 2025, Publication date May 13, 2025 Structural geological characterization by virtual means: support in planning and control of ornamental rocks mine Marcos Rogério do Nascimento Júnior; Gleicon Roberto de Sousa Maior; Leandro Xavier Maia; Lilian Gabriella Batista Gonçalves de Freitas; Raphael Silva Landeiro; Felipe Germano Ribeiro Structural geology; Photogrammetry; Ornamental rock mine

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Tecnol. Metal. Mater. Min., vol.22, e3144, 2025, Publication date May 21, 2025 Tribological analysis of wear plates in the hopper of a car dumper Cíntia Nunes Braga Regattieri; Diego Rafael Silva; Guilherme Pereira de Oliveira; André Luíz Silva Car dumper; Wear plates; Abrasion; Impact resistance

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Tecnol. Metal. Mater. Min., vol.22, e3160, 2025, Publication date May 27, 2025 Influence of pyrite depressant reagents on the flotation efficiency of lead and zinc sulfides Pablo Victor da Costa Gomes; Stephânia da Consolação Silva Nogueira; Maria Eduarda Rocha Fonseca; Paloma Paula Gomes Cipriano; Carlos Alberto Pereira; Francielle Câmara Nogueira Sulfide flotation; Depressants; Pyrite; Sphalerite; Galena

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Tecnol. Metal. Mater. Min., vol.22, e3201, 2025, Publication date May 27, 2025 Geopolymer as an alternative stabilizer of waste and tailings from iron mining Jéssica Tavares da Cunha; Igor Crego Ferreira; Leonardo Junior Fernandes Campos; Roberto Galery; Douglas Batista Mazzinghy  Geopolymer; Iron tailings; Waste; Stabilization; Tailings disposal

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Tecnol. Metal. Mater. Min., vol.22, e3191, 2025, Publication date May 29, 2025 Mineral characterization of a kamafugite from northwest Minas Gerais: optical microscopy and X-ray diffraction Luís Alberto Silva; Christopher Rocha de Rezende; Marco Aurélio Maia Teodoro; Vitória Marina Pereira Perboni; André Luis Pimenta de Faria; Luiz Werner Brandão; Natal Junio Pires; Michelly dos Santos Oliveira Characterization; Kamafugites; Complex ores

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Tecnol. Metal. Mater. Min., vol.22, e3214, 2025, Publication date May 29, 2025 Fault detection in a ball mill circuit using principal component analysis Pedro Henrique Trindade Dias Cabral; Leonardo Junior Fernandes Campos; André Luiz Alvarenga Santos; Douglas Batista Mazzinghy Grinding circuit; Multivariate statistic; Process control; Principal Component Analysis

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Tecnol. Metal. Mater. Min., vol.22, e3227, 2025, Publication date May 30, 2025 Industrial tests using a low-cost cassava starch in the reverse flotation of iron ore Gustavo Henrique Silva Barbosa; Daniel Henrique Sales; Karina Gabriele Freitas e Costa; André Carlos Silva; Elenice Maria Schons Silva Iron Ore; Flotation; Depressant; Cassava Starch

Original Article