Tecnologia em Metalurgia, Materiais e Mineração

https://doi.org/10.4322/2176-1523.20222603
Tecnol. Metal. Mater. Min., vol.19, e2603, 2022 Caracterização química, mecânica, elétrica e microestrutural de resíduo de para-raios da região de Blumenau Luiz Eloi Vieira Junior, Luiz Henrique Meyer, Alexandre Henrique Bortolotto Teixeira, João Batista Rodrigues Neto, Antônio Pedro Novaes de Oliveira Varistores de ZnO; Reaproveitamento; Sinterização

Original Article

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https://doi.org/10.4322/2176-1523.20222617
Tecnol. Metal. Mater. Min., vol.19, e2617, 2022 Microstructure evaluation of an advanced high strength steel with superior results in terms of strength-ductility trade-off Tairine Berbert Tavares, Fernando de Souza Costa, Marília Faria de Oliveira Caizer Advanced high strength steel; Microstructure; Strength-ductility trade-off; TRIP effect

Original Article

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https://doi.org/10.4322/2176-1523.20222439
Tecnol. Metal. Mater. Min., vol.19, e2439, 2022 Characterization and processing of an haematitic stockpile for pellet feed production Bárbara Dornelas de Assis, Armando Corrêa Araujo, Filipe Vasconcelos Guimarães, Antônio Eduardo Clark Peres, Nayara Rilla de Souza Machado Iron ore stockpiles; Characterization; Magnetic separation; Pellet feed

Original Article

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https://doi.org/10.4322/2176-1523.20212507
Tecnol. Metal. Mater. Min., vol.19, e2507, 2022 Influence of temperature variation on microstructural aspects and mechanical properties in nickel-aluminum bronze UNS C63000 submitted to the quenching process Vinicius Torres dos Santos, Márcio Rodrigues da Silva, Huang Han Pang, Flávia Gonçalves Lobo, Givanildo Alves dos Santos, Wilson Carlos da Silva Junior, Antonio Augusto Couto UNS C63000; Quenching; Microstructure; Mechanical properties.

Original Article

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https://doi.org/10.4322/2176-1523.20212498
Tecnol. Metal. Mater. Min., vol.19, e2498, 2022 Studies of optimization of rock disassembly for the opening of shallow well Marcilho José Dias Vieira, Márcio Luiz de Siqueira Campos Barros, Júlio César de Souza, Robson Ribeiro Lima Rock Blasting; Explosive; Drilling; Pit.

Original Article

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https://doi.org/10.4322/2176-1523.20212489
Tecnol. Metal. Mater. Min., vol.19, e2489, 2022 Glass residue from a metallurgical industry to re-utilization in soil-cement plaque Marlon Aparecido Alves Martins, Neilton Paixão de Jesus Junior, Simone Pereira Taguchi, Renata Nunes Oliveira, Rui de Góes Casqueira, Luiz Antônio Borges Júnior Soil-cement; Glass residue; Water absorption.

Original Article

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https://doi.org/10.4322/2176-1523.20222592
Tecnol. Metal. Mater. Min., vol.19, e2592, 2022 Creep and microstructural behavior of Inconel 718 after double aging heat treatment Fabrícia Assis Resende Gonçalves, Renata Jesuina Takahashi, Danieli Aparecida Pereira Reis Inconel 718; Double aging treatment; Creep.

Original Article

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https://doi.org/10.4322/2176-1523.20222423
Tecnol. Metal. Mater. Min., vol.19, e2423, 2022 WC cemented carbides with based Co-Ni binder phase – hardness and transverse rupture strength behaviour as a function of SiC-α additions and their effects on the sintering temperature Daniel Rodrigues, Francisco Yastami Nakamoto, Givanildo Alves dos Santos, Fabio Miranda, Gilmar Ferreira Batalha, Laerte Fernandes Powder metallurgy; Hardmetals; SiC-α; Sintering; Microstructure and properties.

Original Article

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https://doi.org/10.4322/2176-1523.20222102
Tecnol. Metal. Mater. Min., vol.19, e2102, 2022 Accelerated corrosion study for the metal in biodiesel storage tanks Renan Francisco Bohrer Klein, Leonardo Felix Scheffel, Carlos Leonardo Pandolfo Carone, Fernando Dal Pont Morisso, Sandra Raquel Kunst, Jane Zoppas Ferreira, Cláudia Trindade Oliveira, Luciane Taís Fuhr Evaluation of corrosion; Biodiesel; Storage tanks.

Original Article

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https://doi.org/10.4322/2176-1523.20222565
Tecnol. Metal. Mater. Min., vol.19, e2565, 2022 Optimization of interfacial adhesion of the fiber carbon/ epoxy composite using surface oxidative treatment Bárbara Silva Sales Guimarães, Luiz Eduardo de Carvalho, Carlos Alberto Alves Cairo Nitric acid; Chemical attack; Morphological characterization; Improved adherence.

Original Article

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https://doi.org/10.4322/2176-1523.20222323
Tecnol. Metal. Mater. Min., vol.19, e2323, 2022 Self-reducing pellets composed of wastes from steelmaking production for their recycling Felipe Buboltz Ferreira, Ana Rosa Rabelo de Lima, Eduardo Osório, Antônio Cezar Faria Vilela, Rüdiger Deike Steelmaking wastes; Pellets; Self-reduction; Recycling

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https://doi.org/10.4322/2176-1523.20222497
Tecnol. Metal. Mater. Min., vol.19, e2497, 2022 Influence of sub-βtrans heat treatment on the hardness and microstructure of Ti-6Al-4V ELI dental implants produced by laser additive manufacturing José Alex Gonçalves de Galiza, Carlos Nelson Elias, André Rocha Pimenta Additive Manufacturing; Dental implants; Microstructure; Heat treatment.

Original Article

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https://doi.org/10.4322/2176-1523.20222578
Tecnol. Metal. Mater. Min., vol.19, e2578, 2022 Microstructural evolution of the magnesium alloy MRI 230D submitted to different processing routes in a semisolid state: SIMA and Rheocast Igor Zimpel, Caroline Almeida Santos Fraga, Sergio Luiz Telles Bartex, Vinicius Karlinski de Barcellos Magnesium alloys; MRI 230D; Semisolid; Globular microstructure.

Original Article

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https://doi.org/10.4322/2176-1523.20222547
Tecnol. Metal. Mater. Min., vol.19, e2547, 2022 Fragility analysis under low temperature of steel alloy used in helicopter bolt Fernando Henrique Schild, Vagner Machado Costa, Luciano Volcanoglo Biehl, Pedro Henrique Costa Pereira da Cunha Bolt; Temperature; Toughness; Ductile-brittle transition.

Original Article

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https://doi.org/10.4322/2176-1523.20222237
Tecnol. Metal. Mater. Min., vol.19, e2237, 2022 Modelling non-ideal detonations in commercial explosives Paulo José Costa Couceiro Júnior, Juan Navarro Miguel Non-ideal detonation; Rock blasting; Commercial explosives; Modelling

Original Article

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https://doi.org/10.4322/2176-1523.20222397
Tecnol. Metal. Mater. Min., vol.19, e2397, 2022 Study of the effects of hardfacing in low carbon steel with the SMAW process Abel Eduardo Netto, Almir Turazi Hardfacing; Shielded metal arc welding; Abrasive wear

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https://doi.org/10.4322/2176-1523.20212522
Tecnol. Metal. Mater. Min., vol.19, e2522, 2022 Use of electrostatic paint powder paints for the manufacture of floor coating Carlos Eduardo Bruxel, Sandra Raquel Kunst, Luã Tainachi Mueller, Fernando Dal Pont Morisso, Carlos Leonardo Pandolfo Carone, Cláudia Trindade Oliveira Hybrid powder paint; Electrostatic painting; Reuse.

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https://doi.org/10.4322/2176-1523.20222416
Tecnol. Metal. Mater. Min., vol.19, e2416, 2022 Analisys of sputtering process as alternative to galvanic process Mônia Aline Hunger Geiger, Luã Tainachi Mueller, Fernando Dal Pont Morisso, Sandra Raquel Kunst, Carlos Leonardo Pandolfo Carone, Cláudia Trindade Oliveira Electroplating; Sputtering; Aluminum; Corrosion resistance

Original Article

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https://doi.org/10.4322/2176-1523.20222589
Tecnol. Metal. Mater. Min., vol.19, e2589, 2022 Evaluation of materials used in sandwich composites for application on surfboards Matheus Vinícius Gregory Zimmermann, Gabriel Augusto Tereza Silva Composites; Polymeric foams; Sandwich structure; Reinforcement fibers.

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https://doi.org/10.4322/2176-1523.20222575
Tecnol. Metal. Mater. Min., vol.19, e2575, 2022 Analisys of ASTM A36 steel spring back in V-bending processes at different speeds Rafael Menezes Nunes, Henrique André Heine Spring back, bending test, Steel ASTM A36.

Original Article

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https://doi.org/10.4322/2176-1523.20222434
Tecnol. Metal. Mater. Min., vol.19, e2434, 2022 Characterization of the creep-ductility of AISI 321 and AISI 441 stainless steels applying the Sag Test methodology Denilson Pereira Melo, Paulo Sérgio Moreira, Geraldo Lúcio de Faria AISI 441; AISI 321; Creep-ductility; Sag Test; Automotive exhaust system

Original Article

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https://doi.org/10.4322/2176-1523.20222511
Tecnol. Metal. Mater. Min., vol.19, e2511, 2022 Microstructural characterization of API 5L X65 and X70 steels manufactured by TMCP process Luan Mayk Tôrres Costa, Gudson Nicolau de Melo, Nicolau Apoena Castro, Augusto José de Almeida Buschinelli API; Scanning electron microscopy; Atomic Force Microscopy; EBSD.

Original Article

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https://doi.org/10.4322/2176-1523.20222183
Tecnol. Metal. Mater. Min., vol.19, e2183, 2022 Obtaining porous and conductive structure in ferritic stainless steel Patrícia Leite, César Eduardo Schimitt, Fernando Dal Pont Morisso, Carlos Leonardo Pandolfo Carone, Sandra Raquel Kunst, Jane Zoppas Ferreira, Cláudia Trindade Oliveira Ferritic stainless steel; Anodizing; Porous surface.

Original Article

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https://doi.org/10.4322/2176-1523.20222541
Tecnol. Metal. Mater. Min., vol.19, e2541, 2022 Developing a one-part geopolymer cement containing iron ore tailings from Minas Gerais state in Brazil Ana Beatriz Moreira Silveira, Douglas Batista Mazzinghy, Ricardo Augusto Martins Figueired Iron ore tailings; Geopolymer; Sustainability; Greener cement; Circular economy

Original Article

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https://doi.org/10.4322/2176-1523.20222595
Tecnol. Metal. Mater. Min., vol.19, e2595, 2022 Mechanical properties prediction of dual phase steels using machine learning Tairine Berbert Tavares, Felipe Pereira Finamor, Julio Cezar de Sousa Zorzi Machine learning; Dual phase steels; Mechanical properties

Original Article

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https://doi.org/10.4322/2176-1523.20222570
Tecnol. Metal. Mater. Min., vol.19, e2570, 2022 Risk assessment of tailings from the deactivated galena and sphalerite flotation plant of Boquira Mining (Bahia, Brazil) Luiza Zeneide Santana Souza, Luiz Rogério Pinho de Andrade Lima Heavy metals; Asbestos; Risk; Soil pollutants.

Original Article

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https://doi.org/10.4322/2176-1523.20222677
Tecnol. Metal. Mater. Min., vol.19, e2677, 2022 Inclusion of the geometallurgical variable specific energy in the mine planning using direct block scheduling Jônatas Franco Campos da Mata, Alizeibek Saleimen Nader, Douglas Batista Mazzinghy Geometallurgical modeling; Specific energy; Strategic mine planning; Direct block scheduling.

Original Article

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https://doi.org/10.4322/2176-1523.20222653
Tecnol. Metal. Mater. Min., vol.19, e2653, 2022 Effect of intercritical annealing temperature and skinpass rolling on the microstructure and mechanical behavior of a medium manganese steel (0.09C-8Mn) Francislaynne Lages Dias, Aline Oliveira Vasconcelos Ferreira, Indiana Rosa Oliveira, Aline Silva Magalhães, Dagoberto Brandão Santos Medium Manganese steel; Intercritical annealing; Microstructure; Skin pass.

Original Article

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https://doi.org/10.4322/2176-1523.20222594
Tecnol. Metal. Mater. Min., vol.19, e2594, 2022 Analysis of the ventilation system of a Brazilian underground coal mine Hugo Kamigashima Kohmann, Anna Luiza Marques Ayres da Silva Mine ventilation; Mine air quality; Ventilation simulation.

Original Article

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https://doi.org/10.4322/2176-1523.20222656
Tecnol. Metal. Mater. Min., vol.19, e2656, 2022 Reuse of printed circuit boards substrate in the production of mortars José Ricardo Ferrari, Rosana Vilarim da Silva, Desílvia Machado Louzada, Iara Mendonça Tinti Electronic waste; Printed Circuit Board (PCB); Mortar; Recycling.

Original Article

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https://doi.org/10.4322/2176-1523.20222667
Tecnol. Metal. Mater. Min., vol.19, e2667, 2022 Evaluation of multiple normalizing heat treatments as mechanism of microstructural refinement and mechanical properties improvement in API-OCTG steels José Márcio da Rocha, Junia Ananias, Geraldo Lúcio de Faria API steels; Multiple normalizing; Microstructural refinement; Mechanical properties.

Original Article

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https://doi.org/10.4322/2176-1523.20222707
Tecnol. Metal. Mater. Min., vol.19, e2707, 2022 Incorporation of textile waste in styrene-butadiene-styrene (SBS) polymer with potential application in footwear manufacturing Robson Kauer, Cláudia Trindade Oliveira, Sandra Raquel Kunst, Luiz Carlos Robinson, Eduardo Luís Schneider, Fernando Dal Pont Morisso Textile residues; Cotton; Polyester; SBS; Composites

Original Article

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https://doi.org/10.4322/2176-1523.20222746
Tecnol. Metal. Mater. Min., vol.19, e2746, 2022 Porous anodizing titanium in HF free electrolyte Lucas Theisen, Sandra Raquel Kunst, Ana Carolina Viero Bianchin, Fernando Dal Pont Morisso, Cláudia Trindade Oliveira Titanium; H2 SO4 ; H2 O2 ; Anodization; Biomaterial.

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https://doi.org/10.4322/2176-1523.20222637
Tecnol. Metal. Mater. Min., vol.19, e2637, 2022 Thermal treatment for monazite defostatization and rare earth recovery Ana Carolina Santos de Souza, Luiz Rogério Pinho de Andrade Lima Rare earth; Monazite; ICO-OES; Leaching.

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https://doi.org/10.4322/2176-1523.20222675
Tecnol. Metal. Mater. Min., vol.19, e2675, 2022 Characterization of the phosphate rock of Angico dos Dias (Bahia) and identification of rare earth element bearing minerals Mariana Gonçalves dos Santos, Luiz Rogério Pinho de Andrade Lima Apatite; Carbonatite; Rare earths; Lanthanides; Phosphate

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https://doi.org/10.4322/2176-1523.20222551
Tecnol. Metal. Mater. Min., vol.19, e2551, 2022 Analysis of mine development procedures in a marble quarry in the region of Itaoca - District of Cachoeiro de Itapemirim - ES Gleicon Roberto de Sousa Maior , Marcos Rogério do Nascimento Júnior Dimensional stone; Mine; Development; Haul roads, Geometric project; Drone topography

Original Article

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https://doi.org/10.4322/2176-1523.20222734
Tecnol. Metal. Mater. Min., vol.19, e2734, 2022 Determination of the flour/NaOH ratio in the gelatinization of depressants under optical microscopy and its influence on mineral flotation tests Luís Alberto Silva, André Carlos Silva, Elenice Maria Schons Silva, Luany Beatriz Amanajás de Oliveira Gelatinization; Flours; Sorghum; Millet; Corn.

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https://doi.org/10.4322/2176-1523.20222141
Tecnol. Metal. Mater. Min., vol.19, e2141, 2022 Growth of nanostructured ZnO film by anodizing galvanized steel Henrique Gonçalves Pereira, Rubens Camaratta, Cristiane Raubach Ratmann, Naiane Paiva Stochero ZnO; Anodizing; Galvanized steel.

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https://doi.org/10.4322/2176-1523.20222772
Tecnol. Metal. Mater. Min., vol.19, e2772, 2022 Development of unsaturated polyester/fiber glass composites with foundry sand Matheus Vinícius Gregory Zimmermann, Eduardo Junca, Majorie Anacleto Bernardo, André Luís Catto, Cleide Borsoi Foundry sand; Unsaturated polyester; Multilayer composite; Glass fiber

Original Article

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https://doi.org/10.4322/2176-1523.20222681
Tecnol. Metal. Mater. Min., vol.19, e2681, 2022 Monte Carlo simulation risk analysis for underground mining projects Fernando Alves Cantini Cardozo, Carlos Otávio Petter, Nelson Rodrigues de Albuquerque Risk analysis; Stochastic economic evaluation; Underground mining projects; Feasibility study

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https://doi.org/10.4322/2176-1523.20222760
Tecnol. Metal. Mater. Min., vol.19, e2760, 2022 Case study on the failure analysis of turbojet compressor blades Jéssica Silva Rocha Pinho, Leonardo Contri Campanelli, Danieli Aparecida Pereira Reis Failure; Fatigue; Roughness; Machining.

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https://doi.org/10.4322/2176-1523.20221910
Tecnol. Metal. Mater. Min., vol.19, e1910, 2022 Programming of the merger process for small foundries Larissa Faria, Ignácio Eduardo Jesus Rubio Scola, Aline Pereira Leite Nunes Casting; Mathematical model; Operational research; Production schedule.

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https://doi.org/10.4322/2176-1523.20222676
Tecnol. Metal. Mater. Min., vol.19, e2676, 2022 Tailings of iron ore deposited in dam: characterization for process definition for economic recycling Lys Daniele da Costa Tavares, Paulo Roberto Gomes Brandão Tailings; Mineral characterization; Process route

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https://doi.org/10.4322/2176-1523.20222786
Tecnol. Metal. Mater. Min., vol.19, e2786, 2022 Practical evaluation of the effectiveness of nodularization in mold and its application in defining the microstructure and characteristics of ductile iron Cláudio Lúcio Pereira dos Santos, Elaine Carballo Siqueira Corrêa, Joel Lima Nodularization processes; Ductile iron; In mold nodularization processes.

Original Article

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https://doi.org/10.4322/2176-1523.20222776
Tecnol. Metal. Mater. Min., vol.19, e2776, 2022 Microstructural characterization of NiCrAlY layer on Ti-6Al-4V processed by Yb-fiber laser Renata Jesuina Takahashi, João Marcos Kruszynski de Assis, Rudimar Riva, Aline Capella de Oliveira, Danieli Aparecida Pereira Reis Ti-6Al-4V; NiCrAlY; Yb-Fiber Laser.

Original Article

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https://doi.org/10.4322/2176-1523.20222752
Tecnol. Metal. Mater. Min., vol.19, e2752, 2022 Methodology to include the comminution specific energy into open-pit strategy mine planning using global optimization Jônatas Franco Campos da Mata, Alizeibek Saleimen Nader, Douglas Batista Mazzinghy Mass stabilization; Stripping ratio; Strategic mine planning; Global optimization.

Original Article

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https://doi.org/10.4322/2176-1523.20222638
Tecnol. Metal. Mater. Min., vol.19, e2638, 2022 Silver nanoparticles: synthesis, antibacterial activity and comparison with a common disinfectant Ronaldo Silveira, Elidio Angioletto, Sabrina Arcaro, Thauan Gomes Silver nanoparticles; Microbial elimination; Biocide; Disinfectant.

Short Communication

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https://doi.org/10.4322/2176-1523.202219spe01
Tecnol. Metal. Mater. Min., vol.19, 19E01, 2022 Editorial: Wilson Luiz Guesser (1952-2020) Giuseppe Pintaude, André Luiz Vasconcellos da Costa e Silva Editorial – Special issue Tribute to Dr. Wilson Luiz Guesser

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https://doi.org/10.4322/2176-1523.20222631
Tecnol. Metal. Mater. Min., vol.19, e2631, 2022 The effect of graphite number per area on tribological behavior of high-strength compacted cast irons in lubricated tests Giuseppe Pintaude, Daniella Wollmann Compacted graphite iron; Lubricated wear; Heavy-duty engine blocks