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Tecnol. Metal. Mater. Min., vol.16 n1, 1-2, 2019 TÉCNICA, DECISÕES E A CULTURA DE SEGURANÇA André Luiz Vasconcellos da Costa e Silva Editorial

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Tecnol. Metal. Mater. Min., vol.16 n1, 3-7, 2019 EFFECT OF HEAT TREATMENT ON PHYSICAL AND MECHANICAL PROPERTIES OF HYMENOLOBIUM PETRAEUM WOOD Mayra Daniela Ferreira, Rafael Rodolfo de Melo, Leonardo Antônio Moraes Zaque, Diego Martins Stangerlin Tropical wood; Wood properties; Dimensional stability.

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Tecnol. Metal. Mater. Min., vol.16 n1, 8-14, 2019 PRELIMINARY STUDIES OF THERMOELECTRIC MATERIALS FOR THE OBTAINMENT OF ELECTRICAL ENERGY FROM RESIDUAL HEAT Renato Américo, Lírio Schaeffer, Edemar Ouriques, Gerson Costa Thermoelectric generators; Seebeck effect; Energy; Energy reuse

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Tecnol. Metal. Mater. Min., vol.16 n1, 15-21, 2019 EVALUATION OF THE ADDITION OF PERLITIZING AGENTS IN THE MECHANICAL PROPERTIES OF A DUCTILE CAST IRON Lucas Cunha, Elídio Angioletto, Márcio Roberto Rocha Ductile cat iron; Copper; Tin; Antimony.

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Tecnol. Metal. Mater. Min., vol.16 n1, 22-29, 2019 WETTABILITY TEST AS INDICATIVE OF THE POTENTIALITY TO USE DIEMENSION STONE WASTE IN COATING CERAMICS Tiago Marvila Gomes, Simone Pereira Taguchi Borges, Mirna Aparecida Neves, Luiz Antônio Borges Junior Waste; Dimension Stone; Glaze; Wettability

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Tecnol. Metal. Mater. Min., vol.16 n1, 30-36, 2019 STUDY OF THE EFFECT OF THE ADDITION OF DIFFERENT LEVELS OF MONTMORILLONITE AND MICA MUSCOVITE CLAYS ON THE PROTECTIVE BEHAVIOR OF EPOXY BASE POWDER PAINTS APPLIED ON AISI 1008 STEEL Patrícia da Costa Ferreira, Lilian Vanessa Rossa Beltrami, Diego Piazza, Sandra Raquel Kunst, Ademir Jozé Zattera Corrosion; Montmorillonite; Muscovite mica.

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Tecnol. Metal. Mater. Min., vol.16 n1, 37-44, 2019 INFLUENCE OF GRANULOMETRY, FLOW, TEMPERATURE AND TIME IN THE DRYING PROCESS OF IRON ORE PELLETS Ana Caroliny Ferreira Pirola, Daniel Ernesto Otárola Tasaico, Mauricio Cota Fonseca Drying; Iron ore pellet; Cold compression strength; Moisture.

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Tecnol. Metal. Mater. Min., vol.16 n1, 45-50, 2019 INFLUENCE OF NaOH CONCENTRATION IN THE SYNTHESIS OF GEOPOLYMER WITH REUSE OF INDUSTRIAL WASTE Woshington da Silva Brito, André Luis Mileo Ferraioli Silva, Kristoff Svensson, Herbert Pöllmann, Rozineide Aparecida Antunes Boca Santa, Humberto Gracher Riella, José Antônio da Silva Souza Geopolymers; NaOH; Fly ash; Metakaolin.

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Tecnol. Metal. Mater. Min., vol.16 n1, 51-56, 2019 USE OF COMPUTATIONAL SIMULATION TO DISCRETE EVENTS TO DETERMINE THE GREAT FLEET OF MINING TRUCKS Luis Henrique Nery Januario, Júlio César de Souza Loading and transport; Fleet of trucks; Simulation; Chi-square test.

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Tecnol. Metal. Mater. Min., vol.16 n1, 57-61, 2019 STANDARDIZATION OF WEDGE BASAL RUPTURE METHODOLOGY FOR VERTICAL PANEL TIPPING IN NATURAL STONE QUARRYING Rafael Franco e Silva, Suelem Silva Rocha, Alfredo César Vale de Araújo, Marcio Luiz Siqueira Campos Barros, Murilo Simonato de Assis, Ornamental rock; Vertical panels mining; “Wolf mouth”.

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Tecnol. Metal. Mater. Min., vol.16 n1, 62-67, 2019 REPLACEMENT OF PORTLAND CEMENT FOR CERAMIC PLATES WASTES IN MORTAR Micheli Warmling Formigoni, Daiane dos Santos da Silva Godinho, Eduardo junca, Elaine Guglielmi Pavei Antunes Ceramic plate waste; Portland cement; Solid waste.

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Tecnol. Metal. Mater. Min., vol.16 n1, 68-74, 2019 TECHNOLOGICAL CHARACTERIZATION AND EVALUATION OF DEPRESSORS IN THE FLOTATION OF IRON ORE TAILING Geriane Macedo Rocha, Nayara Rilla de Souza Machado, Bianca Trajano dos Santos, Maria Teresa Pedrosa Silva Clerici, Carlos Alberto Pereira Characterization; Flotation; Iron ore tailing

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Tecnol. Metal. Mater. Min., vol.16 n1, 75-81, 2019 ANALYSIS OF SCENARIOS FOR REUSE OF BAUXITE WASTE IN PARÁ STATE Léo Daiki Shinomiya, Jefferson de Oliveira Gomes, Joner Oliveira Alves Scenarios planning; Bauxite; Red mud; Waste management.

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Tecnol. Metal. Mater. Min., vol.16 n1, 82-87, 2019 SCENARIO ANALYSIS FOR THE IMPLANTATION OF A SMALL CERAMIC INDUSTRY IN THE AMAZON REGION Andre Luiz Vilaça do Carmo, Léo Daiki Shinomiya, Joner Oliveira Alves Scenario analysis; Ceramic industry; Red clay; Small business.

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Tecnol. Metal. Mater. Min., vol.16 n1, 88-94, 2019 PHYSICAL, CHEMICAL AND MINERALOGICAL CHARACTERIZATION OF A BRUCUTU IRON ORE SAMPLE Geriane Macedo Rocha Gizele Maria Campos Gonçalves Kennedy da Silva Ramos Tiany Guedes Cota Rosa Malena Fernandes Lima Characterization; Iron ore; Mineral processing.

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Tecnol. Metal. Mater. Min., vol.16 n1, 95-101, 2019 KINETIC STUDY UNDER NON-ISOTHERMAL CONDITION FOR SILICON PURIFICATION Rodrigo Ramos Silva, Willian Boneli De Almeida, Rozineide Aparecida Antunes Boca Santa, Elídio Angioletto, Humberto Gracher Riella Kinetics; Non-isothermal condition; Magnesiothermic; Silicon.

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Tecnol. Metal. Mater. Min., vol.16 n1, 102-111, 2019 ELECTROCHEMICAL AND MECHANICAL BEHAVIOR OF ALUMINUM AA2024-T3 COATED WITH HYBRID MATRIX CONTAINING GRAPHENE OXIDE Henrique Ribeiro Piaggio Cardoso, Lilian Vanessa Rossa Beltrami, Patrícia Marcolin, Tatiane Longhi Scopel, Sandra Raquel Kunst, Lucas Madalosso de Lemos, Thuany Maraschin, Nara Regina de Souza Basso, Célia Fraga Malfatti Composite film; Graphene oxide; Corrosion and wear; Aluminum.

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Tecnol. Metal. Mater. Min., vol.16 n1, 112-120, 2019 EFFECT OF THE BLANK SURFACE CONDITIONS ON THE QUENCHING BEHAVIOR OF A HIGH THICKNESS 22MNB5 STEEL IN PRESSHARDENING PROCESS João Henrique Corrêa de Souza, Diego Tolotti de Almeida, Vanessa Fischer da Silveira Fischer Hot stamping; Press-hardening; 22MnB5; Heat transfer rate; Surface preparation.

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Tecnol. Metal. Mater. Min., vol.16 n1, 121-128, 2019 INCREASING THE PRODUCTIVITY IN A MAGNESITE PILOT PLANT COMBINING OPEN BALL MILL CIRCUIT AND HIGH FREQUENCY SCREENER Matheus Naves Moraes, Paschoal Bonadia Neto, Paulo Roberto Gomes Brandão Grinding; Pilot plant; High frequency screen; Modeling; Magnesite.

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Tecnol. Metal. Mater. Min., vol.16 n1, 129-134, 2019 ELECTROCHEMICAL ASPECTS IN THE FLOTATION OF LEADZINC SULFIDES IN BRAZILIAN SILICATE ORE – USE OF NA2 S AS MODULATOR Fábio de São José, Otávia Martins Silva Rodrigues, Carlos Alberto Pereira Electrochemical potential; Sodium sulfide; Sulfide minerals; Flotation.

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Tecnol. Metal. Mater. Min., vol.16 n1, 135-140, 2019 EFFECT OF pH TO RECOVER Cu(II), Ni(II) AND Co(II) FROM NICKEL LATERITE LEACH USING CHELATING RESINS Amilton Barbosa Botelho Junior, Denise Crocce Romano Espinosa, David Dreisinger, Jorge Alberto Soares Tenório Hydrometallurgy; Ion exchange; Nickel laterite.

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