Tecnologia em Metalurgia, Materiais e Mineração
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Tecnologia em Metalurgia, Materiais e Mineração



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Volume 17, Issue 3, 2020

17(3), 2020

Original Article

https://doi.org/10.4322/2176-1523.20202307
PROPARGYL ALCOHOL AS CORROSION INHIBITOR FOR STAINLESS STEEL 317L IN 3.5 WT. % SODIUM CHLORIDE SOLUTION Fernando Benedicto Mainier, Humberto Nogueira Farneze, Laís Ferreira Serrão, Virgilio Pomponet dos Reis, Thais Pereira Sarmento AISI 317L; Pitting; Corrosion inhibition; Propargyl alcohol.

Original Article
https://doi.org/10.4322/2176-1523.20202110
A STUDY OF THE DEOXIDATION RATE IN SILICON MANGANESE DEOXIDIZED STEELS Thales Botelho, Gabriel Medeiros, José Adilson Castro, André Luiz Vasconcellos da Costa e Silva Si-Mn steels; Oxygen; Deoxidation; Physical model; Kinetics; Thermodynamic

Original Article
https://doi.org/10.4322/2176-1523.20202285
ANALYSIS AND VERIFICATION OF PROCESS VARIABLES AS CAUSES FOR MACROINCLUSIONS AND SCRAPPING IN A SPECIAL STEEL MELT SHOP Felipe Buboltz Ferreira, Vinicius Cardoso da Rocha, Wagner Viana Bielefeldt, Antonio Cezar Faria Vilela Macroinclusions; Clogging; FeO+MnO; Steelmaking.

Original Article
https://doi.org/10.4322/2176-1523.20201811
COMBINED MECHANICAL BIO-HYDROMETALLURGICAL RECYCLING PROCESS OF PRINTED CIRCUIT BOARDS IN BRAZIL Luciana Harue Yamanz, Carina Ulsen, Denise Crocce Romando Espinosa, Jorge Alberto Soares Tenório Printed circuit boards; Combined recycling route; Bioleaching; Hydrometallurgy.

Original Article
https://doi.org/10.4322/2176-1523.20201561
DENSITY EFFECT STUDY ON THE PROPERTIES OF A FERROUS MATERIAL WITH FUNCTION GRADIENT Renata Komata, Flavio Beneduce Neto Powder metallurgy; Density; Sinterhardening.

Original Article
https://doi.org/10.4322/2176-1523.20201855
BIO-OXIDAÇÃO DE CONCENTRADO REFRATÁRIO DE OURO POR SULFOBACILLUS THERMOSUFIDOOXIDANS COM FOCO NO COMPORTAMENTO DO ANTIMÔNIO Suzimara Reis Silva, Liliane Coelho de Carvalho, Flávio Luiz Martins, Romeu Marra Giardini, Versiane Albis Leão Bio-oxidation; S.thermossulfidooxidans, sulphides, arsenic, antimony

Original Article
https://doi.org/10.4322/2176-1523.20201837
INFLUENCE OF PREHEATING IN THE WELDABILITY OF NICKEL BASE SUPERALLOYS Wellington Mattos Pires, Mariana Anastácia de Oliveira, Adeir Marinho Junior Superalloys; Strain-age cracks; Preheating

Original Article
https://doi.org/10.4322/2176-1523.20202023
EVOLUTION OF CLAY MINING FOR HEAVY CLAY CERAMIC IN AMREC** REGION UNDER AMBITIOUS MINING: A CASE STUDY Wagner Benedet Rebelo, Alexandre Zaccaron Ambitious mining; Mining; Clay

Original Article
https://doi.org/10.4322/2176-1523.20202031
WELDABILITY EVALUATION AND JOINT PERFORMANCE BETWEEN STEELS APPLIED FOR AUTOMOTIVE EXHAUSTS Fábio dos Santos Silva, Willy Ank de Morais Thermal fatigue; Intergranular corrosion; Tubular wire AISI439Ti; Solid wire AISI 307Si.

Original Article

Tecnol. Metal. Mater. Min.

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