https://doi.org/10.4322/2176-1523.20242939
Tecnol. Metal. Mater. Min., vol.21, e2939, 2024, Publication date March 13, 2024 Sigma phase precipitation on laying head pipes made of UNS S32750 duplex stainless steel and its influence on the formation of preferential wear channels Guilherme Duarte Moreira; Juliana de Fátima Maia; Geraldo Lúcio de Faria Wire rod rolling; Laying head pipe; UNS S32750 duplex stainless steel; Sigma phase; Wear behavior

Original Article

https://doi.org/10.4322/2176-1523.20232897
Tecnol. Metal. Mater. Min., vol.21, e2897, 2024, Publication date January 09, 2024 Sustainable use of Elaeis guineensis oil against corrosion in copper-containing refrigeration systems Marcos Paulo Simões Barbosa; Carmem Célia Francisco do Nascimento Copper; Elaeis guineensis; Air conditioning; Corrosion

Original Article

https://doi.org/10.4322/2176-1523.20233003
Tecnol. Metal. Mater. Min., vol.21, e3003, 2024, Publication date January 09, 2024 Technological characterization of ceramic material originated from São José do Rio Pardo Marcus Vinícius Fávero Alves; Maria Eduarda Simões Machado Oliveira; Guilherme Rodrigues de Paula da Silva; Carolina Del Roveri; Thamara Machado de Oliveira Ruellas; Sylma Carvalho Maestrelli Ceramics; Fartura River; São José do Rio Pardo; Technological characterization; Clays

Original Article

https://doi.org/10.4322/2176-1523.20232968
Tecnol. Metal. Mater. Min., vol.21, e2968, 2024, Publication date January 10, 2024 Production of slow-release organomineral fertilizers by the briquetting process Eduardo Nunes de Magalhães; André Carlos Silva; Elenice Maria Schons Silva Xanthan; Fertilizer; Briquette

Original Article

https://doi.org/10.4322/2176-1523.20242978
Tecnol. Metal. Mater. Min., vol.21, e2978, 2024, Publication date January 23, 2024 Addition of hematite as a sintering aid in alumina: effect of concentration on physical, microstructural and mechanical properties Pedro Henrique Poubel Mendonça da Silveira; Amal Elzubair Eltom; Jheison Lopes dos Santos; Geovana Carla Girondi Delaqua; Carlos Maurício Fontes Vieira; Paulo Roberto Rodrigues de Jesus; Marcelo Henrique Prado da Silva; Alaelson Vieira Gomes Alumina; Hematite; Flexural resistance; Sintering

Original Article

https://doi.org/10.4322/2176-1523.20232973
Tecnol. Metal. Mater. Min., vol.21, e2973, 2024, Publication date January 30, 2024 Eco-friendly zero carbon Al2O3-SiC brick for hot metal ladle (HML) José Alvaro Previato Sardelli; Carlos Pagliosa Neto; Tiago Moreira Pereira; Julia Freitas Macedo; Vanderlucio Geraldo Madalena Hot metal ladle (HML); C-free brick; Al2O3-SiC; 3D laser scanning

Original Article

https://doi.org/10.4322/2176-1523.20243046
Tecnol. Metal. Mater. Min., vol.21, e3046, 2024, Publication date February 14, 2024 Willemitic ore flotation using Bacillus subtilis as a depressant Daniel dos Santos Rodrigues; Elenice Maria Schons Silva; André Carlos Silva; Jupyracyara Jandyra de Carvalho Barros; Luís Alberto Silva Bioflotation; Depressant; Willemite; Zinc ore

Original Article

https://doi.org/10.4322/2176-1523.20242834
Tecnol. Metal. Mater. Min., vol.21, e2834, 2024, Publication date March 04, 2024 Microstructural characterization and mechanical properties of patented cold-rolled SAE 1080 steel Marcelo Gomes de Vasconcelos; Gabriel Curvelo Ferreira; Antenor Ferreira Filho; Gisele Fabiane Costa Almeida; Larissa Otubo; Rene Ramos de Oliveira; Nelson Batista de Lima; Antonio Augusto Couto SAE 1080 steel; Patenting; Fine pearlite; Cold rolling; Crystallographic Texture; Mechanical properties.

Original Article

https://doi.org/10.4322/2176-1523.20243038
Tecnol. Metal. Mater. Min., vol.21, e3038, 2024, Publication date March 11, 2024 Development of heavy plates API 5L Grade X80 – thermomechanical control processing Geraldo Lúcio de Faria; Rodrigo Rangel Porcaro; Leonardo Barbosa Godefroid; Luiz Cláudio Cândido; Ricardo José de Faria API 5L grade X80 steel; Heavy plate; Thermomechanical control processing; Microstructural evolution; Recent developments.

Original Article

https://doi.org/10.4322/2176-1523.20242814
Tecnol. Metal. Mater. Min., vol.21, e2814, 2024, Publication date March 13, 2024 Influence of flocculants on the rheological and sedimentation characteristics of iron ore tailings slurries Marina Martins; Michelly dos Santos Oliveira; Francisco Gregianin Testa Tailings; Rheology; Dewatering; Water reuse

Original Article

https://doi.org/10.4322/2176-1523.20242993
Tecnol. Metal. Mater. Min., vol.21, e2993, 2024, Publication date March 18, 2024 Failure analysis of hot stamping die Joana Prisco Pinheiro; Paula Fernanda da Silva Farina Hot stamping die; Failure analysis; Wear mechanisms

Original Article

https://doi.org/10.4322/2176-1523.20242959
Tecnol. Metal. Mater. Min., vol.21, e2959, 2024, Publication date March 19, 2024 Correlation between surface and processing parameters of an Nb-48Ti alloy produced by laser powder bed fusion additive manufacturing Willy Ank de Morais; Jhoan Sebastian Guzmán Hernández; Izabel Fernanda Machado; Fernando José Gomes Landgraf Additive Manufacturing; Laser powder bed fusion; Profilometry; Niobium; Molten pool; Metallurgical characterization

Original Article

https://doi.org/10.4322/2176-1523.20243053
Tecnol. Metal. Mater. Min., vol.21, e3053, 2024, Publication date April 17, 2024 Biomass and energy connected with iron and steelmaking Alex Milton Albergaria Campos; Amauri Leal; Sinésio Salles; Paulo Santos Assis Environment; Energy; Iron and steelmaking; Decarbonization; Green house gas.

Original Article

https://doi.org/10.4322/2176-1523.20242964
Tecnol. Metal. Mater. Min., vol.21, e2964, 2024, Publication date April 22, 2024 Analysis of the generation and physical-chemical characteristics of slag from the recycling of lead-acid batteries Leonardo Henrique Gomes; Maria José Jerônimo de Santana Ponte; Haroldo de Araújo Ponte; Irineu Antônio Schadach de Brum; Wagner Viana Bielefeldt; William Haupt; Rodrigo Helleis; Elan Gabriel Forteski; Lucas Aparecido Bittencourt; Gabriel Henrique Gomes Lead-acid batteries; Solid waste; Lead refining slag

Original Article

https://doi.org/10.4322/2176-1523.20243018
Tecnol. Metal. Mater. Min., vol.21, e3018, 2024, Publication date April 22, 2024 Steel slag aggregate: potentialities and challenges for use in developing countries Leonardo Dias de Abreu; Tânia Galavote; Luciana Harue Yamane; Renato Ribeiro Siman Steel slag; Steel slag aggregate; Reuse; Recycling

Original Article

https://doi.org/10.4322/2176-1523.20243029
Tecnol. Metal. Mater. Min., vol.21, e3029, 2024, Publication date May 02, 2024 Evaluation of plasma nitriding process in the wear resistance of 7075 aluminum alloy Maria Gabriela Galvão Camarinha; Leticia Oliveira Rocha; Miguel Justino Ribeiro Barboza; Gislene Valdete Martins; Marcos Massi; Argemiro Soares Silva; Douglas Marcel Gonçalves Leite; Danieli Aparecida Pereira Reis Plasma nitriding; Aluminum alloy; AlN; AA7075; Scratch test

Original Article

https://doi.org/10.4322/2176-1523.20243050
Tecnol. Metal. Mater. Min., vol.21, e3050, 2024, Publication date May 02, 2024 Sedimentation tests with chromium ore fine tailings using different flocculants Jaciany Mayara Batista Soares; Elenice Maria Schons Silva; André Carlos Silva; Neilton da Silva Tapajós; Pablo Souza de Oliveira; André Figueiredo Nascimento; Ângelo Pereira Vieira Filho; Sirsasana Araujo dos Santos Dewatering; Tailings; Chromite; Flocculation; FERBASA

Original Article

https://doi.org/10.4322/2176-1523.20242992
Tecnol. Metal. Mater. Min., vol.21, e2992, 2024, Publication date May 07, 2024 Corrosivity study in Usiminas continuous casting machines segments Geiciele Mafra de Souza; Meire Guimarães Lage; Alexandre de Freitas Gomes de Mendonça Original Article

https://doi.org/10.4322/2176-1523.20242996
Tecnol. Metal. Mater. Min., vol.21, e2996, 2024, Publication date May 13, 2024 Analyzing technological alternatives of solid and gaseous fuels for iron ore compact sintering machines applying a multiphase mathematical modeling José Adilson de Castro; Elizabeth Mendes de Oliveira; Giulio Antunes de Medeiros; Erik Nascimento de Carvalho Modeling; Cleaner sintering process; Solid wastes; Biomass; Hydrogen

Original Article

https://doi.org/10.4322/2176-1523.20242768
Tecnol. Metal. Mater. Min., vol.21, e2768, 2024, Publication date May 20, 2024 Environmental and economic evaluation of the household utility packaging process from the cleaner production approach Carline Fabiane Stalter; Natália Rasquinha Leal Schnorr; Feliciane Andrade Brehm; Andre Luis Korzenowski; Carlos Alberto Mendes Moraes Cleaner production; BOPP; Packaging process; Flow pack

Original Article

https://doi.org/10.4322/2176-1523.20242956
Tecnol. Metal. Mater. Min., vol.21, e2956, 2024, Publication date May 21, 2024 Metallurgical silicon carbide for steelmaking: a thermodynamic simulation Ricardo Abrahão Júnior; Isabela de Fátima Silva Vidal; Leonardo Benevides Etrusco; Telmo Diana Sumak; Klebson Luiz Silva; Raphael Mariano de Souza; José Roberto de Oliveira Silicon Carbide; Agent; Deoxidation; Exothermic

Original Article

https://doi.org/10.4322/2176-1523.20243061
Tecnol. Metal. Mater. Min., vol.21, e3061, 2024, Publication date May 21, 2024 Study of the compositional and melting characteristics of some Brazilian and Congolese tin slags Daniel Mapa Clemente; Rafaela de Oliveira Teixeira Menezes; Heitor Vieira Damaso; Johne Jesus Mol Peixoto; Carlos Antônio da Silva Tin; Melting temperature; Melting behavior; Tin slags

Original Article

https://doi.org/10.4322/2176-1523.20242984
Tecnol. Metal. Mater. Min., vol.21, e2984, 2024, Publication date May 22, 2024 Microstructural and wear resistance characterization of superficial oxidized piercing plugs applied to the rolling of seamless steel pipes Lucas Morais de Menezes; Ian Cesar Rocha Vieira Ribeiro; José Márcio da Rocha; Geraldo Lúcio de Faria Seamless steel pipe manufacturing; High temperature oxidation; Microstructural characterization; Wear resistance

Original Article

https://doi.org/10.4322/2176-1523.20242803
Tecnol. Metal. Mater. Min., vol.21, e2803, 2024, Publication date May 24, 2024 Potential use of blast furnace dust in briquettes and blocks for the steel industry Jean Philippe Santos Gherardi de Alencar Briquettes; Blocks; Blast furnace dust; Byproducts

Original Article

https://doi.org/10.4322/2176-1523.20243037
Tecnol. Metal. Mater. Min., vol.21, e3037, 2024, Publication date May 24, 2024 Impact evaluation of amount of burnt lime, moisture and pellet feed on the sinter fines fraction by utilizing a sintering pilot plant Celso Luiz Moraes Alves; Ana Carolina Castro Barboza da Silva; Sara Santos Silva; Arnaldo Ledig Aguiar Silva; José Adilson de Castro Sintering; Pilot plant; Pellet feed; Sinter quality

Original Article

https://doi.org/10.4322/2176-1523.20242877
Tecnol. Metal. Mater. Min., vol.21, e2877, 2024, Publication date June 06, 2024 Identification of corrosion in metallic structures through the analysis of thermographic images Ulclas Fernandes Marques; Sandra Raquel Kunst; Cláudia Trindade Oliveira; Daiana Cristina Metz Arnold Inspection; Thermography; Corrosion; Steel; Salt spray

Original Article

https://doi.org/10.4322/2176-1523.20242888
Tecnol. Metal. Mater. Min., vol.21, e2888, 2024, Publication date June 21, 2024 Evaluation of mechanical and metallurgical properties of seam carbon steel pipe for industrial applications Sebastião José de Souza; Carlos Roberto Camello Lima  Mechanical forming; Mechanical tests; Welded pipes

Original Article

https://doi.org/10.4322/2176-1523.20243022
Tecnol. Metal. Mater. Min., vol.21, e3022, 2024, Publication date June 27, 2024 Application of CO2 in the thickening of spodumene concentrate Pedro Henrique Medeiros da Mata, Adriane Aparecida de Melo, Guilherme José Ramos Oliveira, Daniela Gomes Horta Thickening; Carbon dioxide; CO2; pH control; Solid-liquid separation

Original Article

https://doi.org/10.4322/2176-1523.20242848
Tecnol. Metal. Mater. Min., vol.21, e2848, 2024, Publication date June 27, 2024 Microstructural evaluation of Inconel 625 weld cladding deposited by the GMAW and GMAW with rotating electrode processes Jeferson Frederico Monteiro Costa, Jorge Carlos Ferreira Jorge, Luís Felipe Guimarães de Souza, Matheus Campolina Mendes, Humberto Nogueira Farneze, Hiron Akira Yamada Magalhães Nickel alloy 625; GMAW-RE process; Weld metal; Welding; Secondary phases

Original Article

https://doi.org/10.4322/2176-1523.20242997
Tecnol. Metal. Mater. Min., vol.21, e2997, 2024, Publication date July 05, 2024 Evaluation of the flange stretching capability of a 780 MPa class multiphase advanced high strength steel Henrique Severiano de Jesus; Fernando Generoso Neiva Ferreira; Jetson Lemos Ferreira; James Mohallem; Wagner Monteiro de Souza; Rinaldo Henrique Pedrini; André Itman Filho Hole expansion; Edge condition; flange stretching; Machining; LASER

Original Article

https://doi.org/10.4322/2176-1523.20243042
Tecnol. Metal. Mater. Min., vol.21, e3042, 2024, Publication date July 11, 2024 Chemical analysis of LED bulb components: strategies for efficient recycling Sandra Lúcia de Moraes; Dafne Pereira da Silva; Catia Fredericci; Francisco Junior Batista Pedrosa; Maciel Santos Luz; Elaine Menegon Chermont; Carlos Alberto Pachelli LED; Lamps; Recycling; Chemical characterization

Original Article

https://doi.org/10.4322/2176-1523.20243067
Tecnol. Metal. Mater. Min., vol.21, e3067, 2024, Publication date July 12, 2024 Evaluation of the geotechnical behavior of mafic rock using polymer for waste rock disposal in an unconventional pile Alisson Carvalho Santos Brasil Rock pile; Geotechnics; Polymer

Original Article

https://doi.org/10.4322/2176-1523.20242737
Tecnol. Metal. Mater. Min., vol.21, e2737, 2024, Publication date August 02, 2024 Analysis of the dynamic fluid flow of gases and the pre-heating of scrap inside an EOF steel refining furnace Pedro Paulo Azevedo; Leonardo Neves  Energy Optimized Furnace; EOF; Metal scrap preheating; Mathematical Modeling

Original Article

https://doi.org/10.4322/2176-1523.20242977
Tecnol. Metal. Mater. Min., vol.21, e2977, 2024, Publication date August 07, 2024 Development of Cr-alloyed high carbon sheet steel – BW AC C77MD – for the manufacture of clutch bearing rings by deep drawing Fernando Generoso Neiva Ferreira; Eduardo Alves Machado; Fabiano Almir Barbosa; Ivan Augusto Martins; Juliano Braz Possati; Marcelo Urdapilleta Rodrigues; Maurício Franco Bomfim; Odair Kirmse; Sérgio Augusto Barbosa da Silva; Thomas Frank High carbon sheet steel; C77MD; Clutch bearing ring; Deep drawing

Original Article

https://doi.org/10.4322/2176-1523.20243075
Tecnol. Metal. Mater. Min., vol.21, e3075, 2024, Publication date August 07, 2024 Evaluation of the mineral liberation heuristics approach for itabirites Rodrigo Fina Ferreira; Rosa Malena Fernandes Lima Itabirites; Mineral liberation; Heuristics

Original Article

https://doi.org/10.4322/2176-1523.20242965
Tecnol. Metal. Mater. Min., vol.21, e2965, 2024, Publication date August 07, 2024 Optimization of sintering machine parameters using simulated annealing metaheuristic Karina Assini Andreatta; Flávio Tulio Busatto Sintering machine; Parameters optimization; Machine learning; Product quality

Original Article

https://doi.org/10.4322/2176-1523.20243055
Tecnol. Metal. Mater. Min., vol.21, e3055, 2024, Publication date August 13, 2024 Evaluation of a mixed collector made of dodecylamine and fatty acids in the direct flotation of iron ore tailings Leonardo Junior Fernandes Campos; Itamar Daniel Delbem; Roberto Galery  Iron ore tailings; Direct flotation; Mixed collector; Dodecylamine; Fatty acids

Original Article

https://doi.org/10.4322/2176-1523.20243080
Tecnol. Metal. Mater. Min., vol.21, e3080, 2024, Publication date August 13, 2024 Toughness-drop in AISI 316L pipe after service exposure at 720 °C for 100,700 hours Flavio Pereira de Moraes; Emanuelle Machado Amaral; Flávio Beneduce Neto; Angelo Fernando Padilha  AISI 316L; Pipes; Sigma phase; Toughness-drop

Original Article

https://doi.org/10.4322/2176-1523.20243070
Tecnol. Metal. Mater. Min., vol.21, e3070, 2024, Publication date August 22, 2024 Influence of goethite on the Transportable Moisture Limit of iron ore fines Raphael Lessa de Paula; Rodrigo Fina Ferreira; Rosa Malena Fernandes Lima Iron ore fines; Transportable Moisture Limit; Goethite

Original Article

https://doi.org/10.4322/2176-1523.20242983
Tecnol. Metal. Mater. Min., vol.21, e2983, 2024, Publication date September 11, 2024 Study on the effect of the application of metallic alloys on continuous casting machine segment drive roller surface Jeferson Iorio Tessari; Matheus Rodrigues Furlani; Henrique Severiano de Jesus; Estéfano Aparecido Vieira Base material; Additive material; Segments; Drive rollers; Submerged Arc Process Welding

Original Article

https://doi.org/10.4322/2176-1523.20242991
Tecnol. Metal. Mater. Min., vol.21, e2991, 2024, Publication date September 12, 2024 Permeation distance: complementary methodology for assessing the thermoplasticity of metallurgical coals Lucas Vinícius da Cruz; João Paulo Elias Barbosa; Guilherme Liziero Ruggio da Silva; Jéssica Carla Oliveira Permeation distance; Plastometry; Coke quality; Reology

Original Article

https://doi.org/10.4322/2176-1523.20242911
Tecnol. Metal. Mater. Min., vol.21, e2911, 2024, Publication date September 16, 2024 Effect of austempering temperature and time on the microstructure and the mechanical behavior of TRIP steels Maria Clara Michel Marinho; Eduardo Antônio Pinto Dias; Aline Silva Magalhães; Wellington Lopes; Elaine Carballo Siqueira Correa TRIP steel; Microstructure; Mechanical properties; Strain hardening

Original Article

https://doi.org/10.4322/2176-1523.20243122
Tecnol. Metal. Mater. Min., vol.21, e3122, 2024, Publication date September 16, 2024 Synergism of thiocollectors and diesel oil in the flotation of ZnS and PbS in willemitic ore from Vazante-MG Fábio de São José; Kennedy da Silva Ramos; Carlos Alberto Pereira Synergism of reagents; Ore flotation; Sulfides minerals; Metallurgical recovery

Original Article

https://doi.org/10.4322/2176-1523.20242800
Tecnol. Metal. Mater. Min., vol.21, e2800, 2024, Publication date October 03, 2024 Influence of pellets quaternary basicity on softening and melting properties Jean Philippe Santos Gherardi de Alencar  Iron ore; Softening; Melting; Blast furnace

Original Article

https://doi.org/10.4322/2176-1523.20242832
Tecnol. Metal. Mater. Min., vol.21, e2832, 2024, Publication date October 07, 2024 Natural gas impacts on the low carbon context of brazilian steelmaking industry Jean Philippe Santos Gherardi de Alencar Steelmaking, Emissions, Natural gas, Simulation

Original Article

https://doi.org/10.4322/2176-1523.20243093
Tecnol. Metal. Mater. Min., vol.21, e3093, 2024, Publication date October 17, 2024 Relationship between solids density and the PFD80 transportable moisture limit of hematite-rich and goethite-rich iron ore fines Rodrigo Fina Ferreira; Rosa Malena Fernandes Lima Iron ore fines; Transportable Moisture Limit; Solids density

Original Article

https://doi.org/10.4322/2176-1523.20243131
Tecnol. Metal. Mater. Min., vol.21, e3131, 2024, Publication date November 04, 2024 Effects of ethermonoamine and etherdiamine combination on iron ore flotation Camila Goes Mattioli; Geriane Macedo Rocha Flotation; Iron ore; Etheramines; Specular hematite

Original Article

https://doi.org/10.4322/2176-1523.20242815
Tecnol. Metal. Mater. Min., vol.21, e2815, 2024, Publication date November 18, 2024 Comparison of friction models in numerical simulation of isothermal forging process Thomas Gomes dos Santos; Diego Rafael Alba; André Rosiak; Diego Pacheco Wermuth; Lirio Schaeffer Finite element analysis; Isothermal forging technology; Friction models

Original Article

https://doi.org/10.4322/2176-1523.20243082
Tecnol. Metal. Mater. Min., vol.21, e3082, 2024, Publication date November 18, 2024 Correlation between thermal parameters of solidification, microstructure and hardness for an Al5%Cu0,8%Mg alloy before and after T6 heat treatment Carlos Maranhão Piorski Júnior; Rafael Kakitani; Noé Cheung; Felipe Bertelli Heat treatment; AlCuMg alloy; Hardness; Microstructure

Original Article

https://doi.org/10.4322/2176-1523.20243058
Tecnol. Metal. Mater. Min., vol.21, e3058, 2024, Publication date November 21, 2024 Application and analysis of the cumulative sum and exponentially weighted moving average methods in autocorrelated data for monitoring and controlling the tanckcell iron ore flotation process Juliano César Bispo de Lisboa; Ana Carolina Oliveira Santos; Carlos Henrique de Oliveira Flotation; Control chart; Cumulative sum (CUSUM); Exponentially weighted moving average (EWMA)

Original Article

https://doi.org/10.4322/2176-1523.20242847
Tecnol. Metal. Mater. Min., vol.21, e2847, 2024, Publication date December 09, 2024 Insertion of copper oxide in anodized zamac Gabriel Bruschi e Silva; Luana Góes Soares; Gabriela Rehbein; Sandra Raquel Kunst; Ana Luiza Ziulkoski; Cláudia Trindade Oliveira Copper; Anodizing; Zamac; Covid-19

Original Article

https://doi.org/10.4322/2176-1523.20243049
Tecnol. Metal. Mater. Min., vol.21, e3049, 2024, Publication date December 09, 2024 Contribution to the study of the use of raw iron and copper mining waste in flexible pavement layers Diego Augusto Santos; Lorenna Bruna Souza Leão; Giovanna da Silva Nogueira; Marcus Vinicius Teixeira Barbosa; Guilherme de Almeida Silva; Rayssa Monique Martins Gama; Josias Rossi Ladeira; Getúlio Francisco Manoel Mining; Mining tailings; Paving; Sustainability

Original Article

https://doi.org/10.4322/2176-1523.20243099
Tecnol. Metal. Mater. Min., vol.21, e3099, 2024, Publication date December 09, 2024 Classification of geotechnical risks on industrial slopes in an iron mine using the FMEA methodology Alisson Carvalho Santos Brasil  Risks; Mining; Geotechnics; Slope

Original Article