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Akademický článek

Influence of the Morphology of Eutectoid Steels on Corrosion Resistance in NaCl Aqueous Medium with and without CO2

Autor: Francisco Felipe de M. Fideles, Mauro Andres C. Florez, Maria Veronica G. Rodrigues, Jorge Luiz Cardoso, Clodualdo Aranas, Samuel F. Rodrigues, Marcos Natan da S. Lima, Caio Victor P. Pascoal, Thiago Alves de Moura, Gedeon S. Reis, Eden S. Silva, Hamilton F. Gomes de Abreu

Publikováno v: Metals, Vol 13, Iss 10, p 1782 (2023)

This study conducts a comparative electrochemical evaluation of three types of pearlitic steels used in flexible pipelines for oil transport in marine environments. The steels have been manufactured with chemical composition and geometry variations t

Externí odkaz: https://doaj.org/article/85dc0d7bc3a84b87a721ff3dada84e17

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Akademický článek

Microstructural and Texture Evolution of Pearlite-Drawn Wires for Flexible Marine Pipelines: Investigating the Effect of Heat Treatments on Mechanical Properties

Autor: Pedro H. Pinheiro, Mohammad Masoumi, Luís Flávio G. Herculano, João Victor B. Xavier, Samille Kricia B. de Lima, Eden S. Silva, Gedeon S. Reis, Samuel F. Rodrigues, Hamilton F. Gomes de Abreu

Publikováno v: Metals, Vol 13, Iss 4, p 805 (2023)

Flexible pipelines connect offshore platforms to subsea production systems due to their high flexibility, applicability, and recycling. Flexible armor layers in flexible pipelines are constructed using the parallel helical wrapping of several rectang

Externí odkaz: https://doaj.org/article/08a861e82f044b1482640a427332d1cb

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Akademický článek

Optimization of Thermomechanical Processing under Double-Pass Hot Compression Tests of a High Nb and N-Bearing Austenitic Stainless-Steel Biomaterial Using Artificial Neural Networks

Autor: Gláucia Adriane de S. Sulzbach, Maria Verônica G. Rodrigues, Samuel F. Rodrigues, Marcos Natan da S. Lima, Rodrigo de C. Paes Loureiro, Denis Fabrício S. de Sá, Clodualdo Aranas, Glaucia Maria E. Macedo, Fulvio Siciliano, Hamilton F. Gomes de Abreu, Gedeon S. Reis, Eden S. Silva

Publikováno v: Metals, Vol 12, Iss 11, p 1783 (2022)

Physical simulation is a useful tool for examining the events that occur during the multiple stages of thermomechanical processing, since it requires no industrial equipment. Instead, it involves hot deformation testing in the laboratory, similar to

Externí odkaz: https://doaj.org/article/eadbfbea55f84129b70934d869d85b54

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Akademický článek

Dynamic Ferrite Formation and Evolution above the Ae3 Temperature during Plate Rolling Simulation of an API X80 Steel

Autor: Francisco Romário de S. Machado, João C. Ferreira, Maria Veronica G. Rodrigues, Marcos Natan da S. Lima, Rodrigo de C. Paes Loureiro, Fulvio Siciliano, Eden S. Silva, Gedeon S. Reis, Regina C. de Sousa, Clodualdo Aranas, Hamilton F. Gomes de Abreu, Samuel Filgueiras Rodrigues

Publikováno v: Metals, Vol 12, Iss 8, p 1239 (2022)

Thermo-mechanically controlled rolling is a technique used to produce steel strips and plates. One of the steels widely used in the production of heavy plates for application in oil and gas pipelines is API X80. The hot rolling process of this family

Externí odkaz: https://doaj.org/article/2e3659d4599d458995ef1b5f7e647e20

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Akademický článek

Strain-Induced Ferrite Formation During Steckel Mill Simulations with Varying Roughing Pass Schedules

Autor: Henry B. Palhano, Clodualdo Aranas, Samuel F. Rodrigues, Eden S. Silva, Gedeon S. Reis, Edson Jansen P. Miranda, Fulvio Siciliano, John J. Jonas

Publikováno v: Metals, Vol 9, Iss 8, p 814 (2019)

It has been previously demonstrated that austenite may undergo partial dynamic transformation (DT) during the plate rolling process. Austenite dynamically transforms into unstable ferrite during hot deformation even at very high temperatures. In this

Externí odkaz: https://doaj.org/article/5d2618347fbe4c5893116007272732c8

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Akademický článek

Dynamic Phase Transformation Behavior of a Nb-microalloyed Steel during Roughing Passes at Temperatures above the Ae3

Autor: Samuel F. Rodrigues, Fulvio Siciliano, Clodualdo Aranas, Eden S. Silva, Gedeon S. Reis, Mohammad Jahazi, John J. Jonas

Publikováno v: Metals, Vol 9, Iss 3, p 334 (2019)

A five-pass torsion simulation of the roughing passes applied during hot plate rolling was performed in the single-phase austenite region of a Nb-microalloyed steel under continuous cooling conditions. The deformation temperatures were approximately

Externí odkaz: https://doaj.org/article/ec2f421a23cc492cb8d0271801f6ebaf

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Akademický článek

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Akademický článek

Stacking fault energy during DRV-DRX competition in high-nitrogen austenitic stainless steel used in orthopedic implants

Autor: Joao Marcos da Silva Nunes, Marcelly Cristiny Nunes de Carvalho, Maria Veronica Goncalves Rodrigues, Joao Carlos Ferreira, Kayron Lima Silva, Antonio Enrique Salas Reyes, Marcos Natan da Silva Lima, Fulvio Siciliano, Gedeon Silva Reis, Hamilton Ferreira Gomes de Abreu, Samuel Filgueiras Rodrigues, Eden Santos Silva

Publikováno v: Journal of Materials Research and Technology, Vol 33, Iss , Pp 5322-5338 (2024)

High-nitrogen (high-N) austenitic stainless steels (ASS) are used in orthopedic implants due to their mechanical properties, human biocompatibility, and affordable cost. However, the high content of (Ni–Nb–N)-rich precipitates can cause allergic

Externí odkaz: https://doaj.org/article/d9e5c564199a4bb7b8dda244dd57fb97

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