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Tecnol. Metal. Mater. Min., vol.17 n2, 90-95, 2020 THE DYNAMIC TRANSFORMATION OF FERRITE ABOVE AE3 AND THE CONSEQUENCES ON HOT ROLLING OF STEELS Fulvio Siciliano, Samuel Filgueiras Rodrigues, Clodualdo Aranas Jr, John Joseph Jonas TMCP; Hot rolling; Microalloyed steels; Dynamic transformation of ferrite.

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Tecnol. Metal. Mater. Min., vol.17 n2, 96-104, 2020 DISSOLUTION BEHAVIOR OF NB-RICH PRECIPITATES DURING REHEATING OF MICROALLOYED STEEL HEAVY PLATES Fábio Dian Murari, Antônio Adel dos Santos, André Luiz Vasconcellos da Costa e Silva, José María Rodriguez-Ibabe Reheating plates; Precipitates dissolution; Heavy plates.

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Tecnol. Metal. Mater. Min., vol.17 n2, 105-111, 2020 HIGH-TEMPERATURE DEFORMATION BEHAVIOR OF HIGH-NB MICROALLOYED STEEL DURING PLATE ROLLING SIMULATION Samuel Filgueiras Rodrigues, Fulvio Siciliano, Clodualdo Aranas Júnior, Eden Santos Silva, Gedeon Silva Reis, John Joseph Jonas Dynamic transformation; High Nb steel; Plate rolling simulation.

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Tecnol. Metal. Mater. Min., vol.17 n2, 112-117, 2020 AUSTENITE SOFTENING IN THE FINISHING STAGE OF T.M.C.P. OF HIGH NIOBIUM-LOW MANGANESE MICROALLOYED STEELS Antonio Augusto Gorni, José Herbert Dolabela da Silveira, Kenji Camey, Emanuelle Garcia Reis Controlled Rolling; Low Mn high Nb microalloyed steels; Austenite recrystallization; NbCN precipitation.

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Tecnol. Metal. Mater. Min., vol.17 n2, 118-123, 2020 HIGH TOUGHNESS, 510 MPA STRENGTH CLASS MICROALLOYED STEEL PLATES WITH PRODUCED BY T.M.C.P. IN GERDAU OURO BRANCO Romeu Thomaz Viana Júnior, José Herbert Dolabela da Silveira, Rafael Abreu Fraga, Afonso Cardoso da Silva, Mateus Pedro Medeiros da Silva, Emanuelle Garcia Reis, Ricardo José de Faria Plate mill; Controlled rolling; Accelerated cooling; Toughness.

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Tecnol. Metal. Mater. Min., vol.17 n2, 124-130, 2020 STRATEGIES TO MODULATE THE INTERACTION OF NB WITH MICROSTRUCTURE DURING HOT ROLLING OF FLAT PRODUCTS Beatriz Pereda, Beatriz Lopez, Jose Maria Rodriguez-Ibabe Nb Microalloying; Thermomechanical Processing; Pancaked Austenite; Intragranular Nucleation

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Tecnol. Metal. Mater. Min., vol.17 n2, 137-148, 2020 NEW ALLOYING CONCEPT FOR FINISHING MILL ROLLS INCLUDING RESULTS IN APPLICATION AND SURFACE TESTS Michael Brandner, Armin Paar, Sander Mul Grafitic HSS; Carbide enhancement; Segregation; Lismar roll inspection.

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Tecnol. Metal. Mater. Min., vol.17 n2, 149-156, 2020 CALCULATION OF ROLLING FORCE IN THE HOT STRIP FINISHING MILL USING AN EMPIRICAL MODEL Antonio Adel dos Santos, Jônatas Venâncio Barbosa Hot strip mill; Rolling force; Mean flow stress; Schultz model.

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Tecnol. Metal. Mater. Min., vol.17 n2, 157-163, 2020 DEVELOPMENT OF VARIABLE THICKNESS LONGITUDINAL PROFILED ROLLED PLATE AT GERDAU OURO BRANCO Afrânio Márcio Costa, Antônio Augusto Gorni, Emanuelle Garcia Reis, Jose Herbert Dolabela da Silveira Plate mill; New product; Longitudinal plate.

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Tecnol. Metal. Mater. Min., vol.17 n2, 178-185, 2020 EFFECT OF PLATE SURFACE CONDITIONS ON ACCELERATED COOLING PERFORMANCE Emanuelle Garcia Reis, Antonio Augusto Gorni, Daniel Bojikian Matsubara, Edmar de Souza Silva, Ian Robinson, José Herbert Dolabela da Silveira, Rafael Abreu Fraga, Rodney Pardo Alves Plate mill, Flatness, Accelerated cooling, Controlled rolling, Scale.

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Tecnol. Metal. Mater. Min., vol.17 n2, 186-193, 2020 AN APPLICATION OF MICROALLOYING AND CONTROLLED ROLLING IN SBQ* LONG PRODUCTS Rafael Stella Galdino, Carolina Conter Elgert, Marcos Paulo da Silveira, Messias Prado de Almeida, José Roberto Bolota, Samuel Henrique Freese Controlled rolling; Niobium; Long products; Grain size.

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