Tecnologia em Metalurgia, Materiais e Mineração  
	http://www.tmm.periodikos.com.br/journal/tmm/ed/5fc10c180e8825b643f5cc94 
	
		
		   
		   	
			
									
				
								    
				
			
			
			
					    			
					
							
				
								    
				
			
			
					    
									
					
																			
										
						
                 
    Archive 
             
            Volume 17, Issue 4, 2020         
        
            17(4), 2020         
    
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                                                                                                https://doi.org/10.4322/2176-1523.20202009                                  Tecnol. Metal. Mater. Min., vol.17 n4, e2009, 2020, Publication date December 01, 2020                                 Applying multivariate experimental design to copper leaching from printed circuit boards
  
                                Rodrigo Ferreira Gomes, Matheus Mello Pereira, Versiane Albis Leão                                  Printed Circuit Boards (PCB); Recycling; Hydrometallurgy; Design of experiments; Metals.
 
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                                                                                                https://doi.org/10.4322/2176-1523.20202094                                  Tecnol. Metal. Mater. Min., vol.17 n4, e2094, 2020, Publication date December 01, 2020                                 Analysis of mechanical behavior of AA7004 and AA7075 alloys thixoforging in an eccentric press
  
                                Luis Vanderlei Torres, Eugênio José Zoqui                                  Semisolid material; Thixoforging; Mechanical behavior; AA7004; AA7075.
 
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                                                                                                https://doi.org/10.4322/2176-1523.20202198                                  Tecnol. Metal. Mater. Min., vol.17 n4, e2198, 2020, Publication date December 04, 2020                                 The effects of auto-tempering martensite on mechanical strength of a microalloyed steel containing boron and titanium
  
                                Wagner Monteiro de Souza, André Itman Filho, Rosana Vilarim da Silva, João Batista Ribeiro Martins, Luciana Xavier da Cruz Lima                                 Boron steels; Titanium nitride; Auto-tempering martensite; Hardenability.
 
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                                                                                                https://doi.org/10.4322/2176-1523.20202119                                  Tecnol. Metal. Mater. Min., vol.17 n4, e2119, 2020, Publication date November 27, 2020                                 Tribological evaluation of duplex treatment of plasma nitriding/ oxidation applied to injection mold extraction system
  
                                Tiago Marcelo Reis, Aline Luísa Bandeira Dotta, Maria Cristina Moré Farias, Alexandre Luís Gasparin                                 Injection mold; Plasma nitriding; Post-oxidation; Tribology
 
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                                                                                                https://doi.org/10.4322/2176-1523.20202018                                  Tecnol. Metal. Mater. Min., vol.17 n4, e2018, 2020, Publication date December 03, 2020                                 Evaluation of chemical compatibility of epoxy LY 1316 with refrigerant R410A
  
                                Petrius Paulo Tambosi, Fernando Humel Lafratta, João Guilherme Wagner                                  Chemical compatibility; Air conditioning; Thermoset.
 
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                                                                                                https://doi.org/10.4322/2176-1523.20201975                                  Tecnol. Metal. Mater. Min., vol.17 n4, e1975, 2020, Publication date December 04, 2020                                 Determination of partition blocks in rock masses through descontinuity plans with use of UAV
  
                                Alfredo César Vale de Araújo, Silas Leonardo Dias Vasconcelos, Jorge Luiz Valença Mariz, Júlio Cesar de Souza, Márcio Luiz de Siqueira Campos Barros                                  Partition blocks; Discontinuities; UAV; Scan face
 
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                                                                                                https://doi.org/10.4322/2176-1523.20202026                                  Tecnol. Metal. Mater. Min., vol.17 n4, e2026, 2020, Publication date December 03, 2020                                 Technological characterization of automotive catalysts disabled for Pt, Pd, and Rh recovery
  
                                Renan Teixeira Baia, Kleber Bittencourt Oliveira, Emanuel Negrão Macêdo, Jéssica Alves da Silva                                 Automotive catalysts; Characterization; Cordierite; Platinum group.
 
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                                                                                                https://doi.org/10.4322/2176-1523.20201963                                  Tecnol. Metal. Mater. Min., vol.17 n4, e1963, 2020, Publication date December 04, 2020                                 Analysis of the effects of alumina (Al2 O3 ) addition in micrastructure and hardness in Zamac 5 by gravity
  
                                Felipe Baptista Dieter, Leonardo Felix Scheffel, Fernando Dal Pont Morisso, Carlos Leonardo Pandolfo Carone, Sandra Raquel Kunst, Luciane Taís Führ, Mariane Fernandes, Luã Tainachi Mueller, Eduardo Luís Schneider, Felipe Dalla Vechia, Cláudia Trindade Oliveira                                  Zamak; Casting; Aluminum oxide.
 
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                                                                                                https://doi.org/10.4322/2176-1523.20202144                                  Tecnol. Metal. Mater. Min., vol.17 n4, e2144, 2020, Publication date December 08, 2020                                 Evaluation of the fine steel sludge as additive in concrete manufacturing
  
                                Gilson de Souza Santos, Aline Pereira Leite Nunes, Wanyr Romero Ferreira                                  Waste; Sustainability; Steelworks slag; Concrete.
 
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                                                                                                https://doi.org/10.4322/2176-1523.20202033                                  Tecnol. Metal. Mater. Min., vol.17 n4, e2033, 2020, Publication date December 04, 2020                                 Material selection of walking stick tips for visually impaired people using TOPSIS method
  
                                Cláudia Canto de Souza Leão, Alessandro de Castro Corrêa, Jean da Silva Rodrigues, Elza Monteiro Leão Filha                                 Walking stick tips; Composites; TOPSIS.
 
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                                                                                                https://doi.org/10.4322/2176-1523.20202217                                  Tecnol. Metal. Mater. Min., vol.17 n4, e2217, 2020, Publication date December 08, 2020                                 Effect of grain size on the drawability of the niobium-stabilized ferritic stainless steel ASTM 430
  
                                Caio César Caldeira Moura, Reginaldo Pinto Barbosa, Tarcísio Reis de Oliveira                                 Anisotropy; Texture; Grain size; Deep drawability.
 
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                                                                                                https://doi.org/10.4322/2176-1523.20202214                                  Tecnol. Metal. Mater. Min., vol.17 n4, e2214, 2020, Publication date December 10, 2020                                 Geometallurgy study of the Catalão I Nelsonite bodies aiming to increase the niobium production
  
                                Leonardo Vasconcellos Rangel, Douglas Batista Mazzinghy, Gilberto Rodrigues da Silva, Felipe Seguin, Michelle Fernanda De Lira Teixeira, Sebastião Ubaldino Ferreira Junior, Caio Henrique Ribeiro Vieira, Wanderson Ferreira Borges Junior, Vinicius Campos Silva, Gabriel Rocha Dimitrov                                 Geometallurgy; Mineralogy; Recovery; Tailings; Niobium; Pyrochlore.
 
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                                                                                                https://doi.org/10.4322/2176-1523.20202065                                  Tecnol. Metal. Mater. Min., vol.17 n4, e2065, 2020, Publication date December 10, 2020                                 Polyurethane microcomposites containing wet blue residue from the leather industry by in situ polymerization
  
                                Dandara Dessimon, Leonardo Chiká, Leonardo Moreira dos Santos, Sandra Einloft, Fernando Morisso, Claudia Trindade Oliveira, Leonardo Felix Scheffels, Sandra Raquel Kunst, Patrice Monteiro de Aquim, Carlos Leonardo Pandolfo Carone                                 Microcomposite; Polyurethane; In situ polymerization; Wet blue residue.
 
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                                                                                                https://doi.org/10.4322/2176-1523.20201864                                  Tecnol. Metal. Mater. Min., vol.17 n4, e1864, 2020, Publication date January 27, 2021                                 Evaluation of the efficiency of conductor coverings for electrostatical shielding and dissipation of static charge in an insulating polymer
  
                                Alexandros Leonidas Aravanis, Carolina Delwing, Alvaro Meneguzzi                                 Polyaniline; Static charge; Conductive polymer; Coatings; Antistatic.
 
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                                                                                                https://doi.org/10.4322/2176-1523.20201999                                  Tecnol. Metal. Mater. Min., vol.17 n4, e1999, 2020, Publication date January 15, 2021                                 Application of the method of mechanics energy conservation and of the quantity for ornamental stone exploitation with level of plan reference
  
                                Alfredo César Vale de Araújo, Rafael Franco e Silva, Gustavo do Prado Siqueira, Marcio Luiz Siqueira Campos Barros                                 Natural Rock; Energy; Quantity of Movement.
 
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