Tecnologia em Metalurgia, Materiais e Mineração

https://doi.org/10.4322/2176-1523.20222731
Tecnol. Metal. Mater. Min., vol.20, e2731, 2023 Selective flotation of silica-carbonated phosphate ore with amphoteric collectors Michelly dos Santos Oliveira, Antônio Eduardo Clark Peres, Luís Alberto Silva Phosphate; Zwitterionic collectors; Carbonate gangue; Microflotation.

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https://doi.org/10.4322/2176-1523.20222804
Tecnol. Metal. Mater. Min., vol.20, e2804, 2023 Influence in the microstructure and mechanical properties of the aluminum alloy A380 die casting by the injection speed steps Carlos Alberto Marchioli, Gisele Fabiane Costa Almeida, Rodolfo Luiz Prazeres Gonçalves, Marcos Domingos Xavier, Givanildo Alves dos Santos, Antonio Augusto Couto Die-casting; A380 aluminum alloys; Hardness; Tensile properties.

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https://doi.org/10.4322/2176-1523.20222792
Tecnol. Metal. Mater. Min., vol.20, e2792, 2023 Static tests to assess acid mine drainage potential of copper sulfide flotation tailings Ruberlan Gomes da Silva, Danielly Couto, Aline Tavares, Morgana Menezes Ribeiro, Luzia Chaves, Lorena Guimarães , Kely Fonseca, André Carlos Silva Static tests; Acid drainage; Copper; Flotation; Tailings

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https://doi.org/10.4322/2176-1523.20222533
Tecnol. Metal. Mater. Min., vol.20, e2533, 2023 Influence of pre heating and post welding treatment temperatures on the formation of hydrogen induced cracking in the repair welding of AISI D6 steel Gabriel Rover Barbieri, Aloysio Arthur Becker Fogliatto, Mario Wolfart Junior Cold cracking (hydrogen induced cracking); Maintenance welding; AISI D6 tool steel; Shielded metal arc welding.

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https://doi.org/10.4322/2176-1523.20222732
Tecnol. Metal. Mater. Min., vol.20, e2732, 2023 Pre-concentration of gold ore for characterization of forms of occurrence and mineral associations Fabrizzio Rodrigues Costa, Guilherme Pinho Nery, Carina Ulsen Pre-concentration; Density separations; Elutriation; Gold ore; Technological characterization.

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https://doi.org/10.4322/2176-1523.20222347
Tecnol. Metal. Mater. Min., vol.20, e2347, 2023 Study of the polystyrene degradation in water using nanoparticle tracking analysis (NTA) Elizabeth Mendes de Oliveira, Maria Beatriz Santos Felipe, Jonni Guiller Ferreira Madeira, Marcus Val Springer, Leonardo Martins da Silva, Jose Adilson de Castro Polystyrene; Nanoplastics; NTA.

Original Article

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https://doi.org/10.4322/2176-1523.20222723
Tecnol. Metal. Mater. Min., vol.20, e2723, 2023 Mathematical and statistical model for mapping the dead volume inside the continuous casting tundish Devans Gomes Rocha, Leonardo Neves Continuous casting tundish; Statistical methods; Dead volume mapping; Mathematical modeling

Original Article

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https://doi.org/10.4322/2176-1523.20222717
Tecnol. Metal. Mater. Min., vol.20, e2717, 2023 Effect of intercritical austenitizing temperature on the kinetics of martensitic transformation and microstructural evolution in a API-OCTG grade K55 steel Arthur Cançado Schuttenberg, Verônica Stela da Silva Lima, José Márcio da Rocha, Geraldo Lúcio de Faria API grade K55 steel; Intercritical austenitizing temperature; Martensitic transformation; Microstructural evolution

Original Article

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https://doi.org/10.4322/2176-1523.20222807
Tecnol. Metal. Mater. Min., vol.20, e2807, 2023 Influence of amine dosage and conditioning time on iron ore flotation using sorghum flour as a depressant Paulo Pereira de França Neto, Carlos Eduardo Domingues da Mata, André Carlos Silva, Elenice Maria Schons Silva, Luís Alberto Silva Iron ore; Conditioning time; Collector dosage

Original Article

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https://doi.org/10.4322/2176-1523.20222660
Tecnol. Metal. Mater. Min., vol.20, e2660, 2023 Use of the iron ore tailings from Andrade Mine for production of interlocking concrete pavers Raphael Mendes Rosa da Silva, Rafael Mayrink Nunes, Francielle Câmara Nogueira, Fabiane Leocádia da Silva Pavers; Rejeito de minério de ferro; Sustentabilidade; Pavimentação

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https://doi.org/10.4322/2176-1523.20222096
Tecnol. Metal. Mater. Min., vol.20, e2096, 2023 Design, building and validation of a “ball-cratering” wear test equipment with “fixed-ball” mechanical configuration Marcelo de Matos Macedo, João Henrique de Andrade Lima, Cláudio Moreira de Alcântara, Wilian da Silva Labiapari, Ronaldo Câmara Cozza Ferritic stainless steel; Micro-abrasive wear; Ball-cratering wear test

Original Article

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https://doi.org/10.4322/2176-1523.20222665
Tecnol. Metal. Mater. Min., vol.20, e2665, 2023 Increase in haulage productivity operation through use of telemetry Patrick Teixeira Oliveira, Marcélio Prado Fontes, Walter Schmidt Felsch Junior Mine operation; Telemetry; Mine infrastructure; Haulage roads

Original Article

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https://doi.org/10.4322/2176-1523.20222744
Tecnol. Metal. Mater. Min., vol.20, e2744, 2023 Study for the removal of Ca2+ and Mg2+ ions from water by Magnafloc 338 and sodium Alginate in a compressed air flotation system João Victor da Silva Alves, Natal Junio Pires, Michelly dos Santos Oliveira Water reuse; FAD; Flotation; Factorial design

Original Article

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https://doi.org/10.4322/2176-1523.20222825
Tecnol. Metal. Mater. Min., vol.20, 2023 The influence of different PAG polymer cooling rates on distortions in SAE 1050 steel parts on induction heat treatment Manoel Leandro Ribeiro Correa, Eduardo Luis Schneider, Diego da Silva MartinTassoni, Robison Mick de Oliveira, Mauro das Neves Dias, Cláudia Trindade Oliveira Induction hardening; Cooling rate; Distortion; SAE 1050 steel

Original Article

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https://doi.org/10.4322/2176-1523.20222757
Tecnol. Metal. Mater. Min., vol.20, e2757, 2023 Influência do processo de lixiviação parcial do quartzo na liberação mineral de itabiritos do Quadrilátero Ferrífero Rodrigo Fina Ferreira; Regisvander Gomes da Silva Itabiritos; Quadrilátero Ferrífero; Liberação mineral; Processos supergênicos

Original Article

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https://doi.org/10.4322/2176-1523.20222690
Tecnol. Metal. Mater. Min., vol.20, 2023 Optimization of the polishing of ornamental stone slabs using the simplex methodology Gleicon Roberto de Sousa Maior; Juliano Tessinari Zagôto; Marciel Zucoloto Pizetta; Arthur Pereira Pires Dimension stones; Processing; Optimization; Linear programming

Original Article

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https://doi.org/10.4322/2176-1523.20222840
Tecnol. Metal. Mater. Min., vol.20, 2023 Employing the TOPSIS selection method to assess the use of Ti-6Al-4V ELI processed by additive manufacturing in hip implants Leonardo Contri Campanelli; Arthur Tafuri Fernandes; Danieli Aparecida Pereira Reis Materials selection; Titanium; Implant; Additive manufacturing

Original Article

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https://doi.org/10.4322/2176-1523.20222818
Tecnol. Metal. Mater. Min., vol.20, e2818, 2023 Study of work hardening evolution and deformation of AISI 430 stainless-steel after stamping Helbert Stéfano Goulart Francisco; Wellington Lopes; Elaine Carballo Siqueira Corrêa Sheet metal forming; AISI 430 stainless steel; Work-Hardening

Original Article

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https://doi.org/10.4322/2176-1523.20222758
Tecnol. Metal. Mater. Min., vol.20, e2758, 2023 Effects of thermal aging and functionalized epoxy matrix with graphene nanoplates in fique fabric-reinforced composites Michelle Souza Oliveira; Fernanda Santos da Luz; Andreza Menezes Lima; Foluke Salgado de Assis; Artur Camposo Pereira; Fábio de Oliveira Braga; Sérgio Neves Monteiro; André Ben-Hur da Silva Figueiredo Natural fiber; Thermal aging; Graphene nanoplates; Polymer matrix

Original Article

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https://doi.org/10.4322/2176-1523.20232766
Tecnol. Metal. Mater. Min., vol.20, e2766, 2023 Ballistic performance of epoxy composites reinforced with Amazon titica vine fibers Juliana dos Santos Carneiro da Cunha; Lucio Fabio Cassiano Nascimento; Ulisses Oliveira Costa; André Ben-Hur da Silva Figueiredo; Sergio Neves Monteiro Natural fibers; Titica vine fibers; Composites; Ballistic armor.

Original Article

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https://doi.org/10.4322/2176-1523.20232854
Tecnol. Metal. Mater. Min., vol.20, e2854, 2023 Incorporation of silver nanoparticles in anodized Zamac 5 Ben-hur Riedi da Silva; Sandra Raquel Kunst; Luana Góes Soares; Tamires Lovato; Guilherme José Schneider; Débora Rech Volz; Ana Luiza Ziulkoski; Juliane Deise Fleck; Cláudia Trindade Oliveira Zamak 5; Embedding; Silver nanoparticles; Sealing

Original Article

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https://doi.org/10.4322/2176-1523.20232863
Tecnol. Metal. Mater. Min., vol.20, e2863, 2023 Comparison between the performance of bar mills and highpressure grinding rolls (HPGR) for chromium ore milling Pablo Souza de Oliveira; André Carlos Silva; Elenice Maria Schons Silva Milling; High Pressure Grinding Rolls (HPGR); Chromium ore

Original Article

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https://doi.org/10.4322/2176-1523.20232879
Tecnol. Metal. Mater. Min., vol.20, e2879, 2023 Failure analysis of an AISI 316 steel pipe elbow exposed to the weather for three years after 16 years of operating at 515 °C Flavio Pereira de Moraes; Emanuelle Machado Amaral; Flávio Beneduce Neto; Angelo Fernando Padilha AISI 316; Pipe elbow; Stress corrosion; Failure analysis

Original Article

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https://doi.org/10.4322/2176-1523.20232910
Tecnol. Metal. Mater. Min., vol.20, e2910, 2023 High-performance concrete (HPC) using phosphate ore magnetic tailings Gabriela Brenda de Lima Ribeiro, Alexander Martin Silveira Gimenez, Marcela Maira Nascimento de Souza Soares, Augusto Cesar da Silva Bezerra High-performance concrete; Magnetic tailings; Fine aggregate; Particle packing

Original Article

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https://doi.org/10.4322/2176-1523.20232710
Tecnol. Metal. Mater. Min., vol.20, e2710, 2023 Use of tailings from lime lime mining for the production of geoink Jéssica Nathália Florêncio Zampieri; Wesmara Barbosa Ramos; Aron Carlos de Melo Cotrin; Maísa Silva de Oliveira Neves; Adriele Ataides de Queiroz; Letícia Damas Leão Dalcin; Renata Lázara de Araújo; Adenilda Cristina Honório França; Eduardo Luzia França Mining tailings; Geoink; Rheology; Cytotoxicity

Original Article

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https://doi.org/10.4322/2176-1523.20232796
Tecnol. Metal. Mater. Min., vol.20, e2796, 2023 Low-cost, adapted solutions for the hybrid manufacturing machine development João Pedro Aguiar dos Santos; João Inácio Yutaka Ota; Pedro de Paula Lopes Macedo; Rômulo da Costa Delmondes; Marcelo Antônio Adad de Araújo Computer numerical control (CNC); 3D printing; Additive manufacturing; Hybrid manufacturing; Subtractive manufacturing; Rapid prototyping

Original Article

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https://doi.org/10.4322/2176-1523.20232906
Tecnol. Metal. Mater. Min., vol.20, e2906, 2023 Pharmaceutical, food and inorganic binders in the production of limestone briquettes Eduardo Nunes de Magalhães; André Carlos Silva; Elenice Maria Schons Silva Pharmaceutical binders; Food binders; Inorganic binders; Briquetting; Fines reuse

Original Article

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https://doi.org/10.4322/2176-1523.20233004
Tecnol. Metal. Mater. Min., vol.20, e3004, 2023 Evaluation of alternative corn starches in hematite and quartz microflotation Débora Nascimento Sousa; Luís Alberto Silva; André Carlos Silva; Elenice Maria Schons Silva Microflotation; Hematite; Quartz; Starch; Corn

Original Article

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https://doi.org/10.4322/2176-1523.20232953
Tecnol. Metal. Mater. Min., vol.20, e2953, 2023 Effect of Q&P heat treatments on the tensile mechanical behavior of a commercial CMnSi alloy aiming to obtain third-generation AHSS steels Charles Henrique Xavier Morais Magalhães; Geraldo Lúcio de Faria Quenching and partitioning (Q&P); AHSS steels; Intercritical austenitizing; Step-quenching

Original Article

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https://doi.org/10.4322/2176-1523.20232866
Tecnol. Metal. Mater. Min., vol.20, e2866, 2023 Corrosion and tribocorrosion behavior of plasma nitrided AA7075 - T651 Letícia Oliveira Rocha; Maria Gabriela Galvão Camarinha; Gislene Valdete Martins; Ihsan Çaha; Alexandra Alves; Renata Jesuina Takahashi; Fatih Toptan; Danieli Aparecida Pereira Reis 7075-T651 aluminum alloy; Plasma nitriding; Corrosion; Tribocorrosion

Original Article

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https://doi.org/10.4322/2176-1523.20232954
Tecnol. Metal. Mater. Min., vol.20, e2954, 2023 Evaluation of density as a parameter to act in the quality control of the coating solution (anti-sticking) applied to iron ore pellets Samuel Sena de Oliveira; Lorrane Estéfany Alves Rodrigues; Ana Maria Guilherme Baillon; Arthur Trindade Klein; Douglas Soares Batista; Oliver da Ross Rezende; Raphael Scardua dos Santos Coating; Iron ore pellets; Density

Original Article

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https://doi.org/10.4322/2176-1523.20232985
Tecnol. Metal. Mater. Min., vol.20, e2985, 2023 Application of plastometry technique for hot stamping tool steels Rogério Breganon; Francisco Arieta; Giuseppe Pintaúde Plastometry; Mechanical properties; Tool steel

Original Article

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https://doi.org/10.4322/2176-1523.20232780
Tecnol. Metal. Mater. Min., vol.20, e2780, 2023 Avaliação do desempenho de rebolos para o esmerilhamento de trilhos Eric Pretti; Antônio Ernandes Macêdo Paiva Rebolo; Esmerilhamento; Abrasivo; Ferrovia

Artigo Original

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https://doi.org/10.4322/2176-1523.20232749
Tecnol. Metal. Mater. Min., vol.20, e2749, 2023 Separação de tório de elementos terras raras leves em soluções clorídricas por extração por solvente Ana Carolina Santos de Souza; Luiz Rogério Pinho de Andrade Lima Elementos terras raras; Separação do tório; Extração por solvente; Cyanex

Artigo Original

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https://doi.org/10.4322/2176-1523.20222769
Tecnol. Metal. Mater. Min., vol.20, e2769, 2023 Development of Fe-based glass former alloys for thermal spray coatings with optimized corrosion and wear properties Claudio Shyinti Kiminami, Guilherme Yuuki Koga, Claudemiro Bolfarini, Walter José Botta Amorphous alloys; Metallic glass; Glass forming steel; Surface engineering; Corrosion; Wear