Search Results - "Faria, Geraldo"

Microstructure and mechanical properties of a flash butt welded pearlitic rail by Porcaro, Rodrigo Rangel, Faria, Geraldo Lúcio, Godefroid, Leonardo Barbosa, Apolonio, Gabriela Ribeiro, Cândido, Luiz Cláudio, Pinto, Elisângela Silva

“…[Display omitted] The structural changes resulting from the Flash Butt Welding (FBW) of pearlitic rails have been associated with wear/premature failures,…”
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Effect of martensite volume fraction on the mechanical behavior of an UNS S41003 dual-phase stainless steel by Lúcio de Faria, Geraldo, Godefroid, Leonardo Barbosa, Nunes, Isadora Pereira, Carlos de Lacerda, José

“…UNS S41003 (410D) steel is a relatively low chromium unstabilized ferritic stainless steel. It has superior mechanical and corrosion resistance than ordinary…”
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Effect of Microstructure and Surficial Oxidation on the Wear Behavior of an UNS S41003 Stainless Steel by Faria, Geraldo Lúcio de, Moreira, Paulo Sérgio, Pinto, Maria Aparecida

“…The UNS S41003 ferritic stainless steel is a low‐carbon alloy that has great corrosion and oxidation performances in wet and aqueous environments, as well as…”
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Characterization and Prediction of Continuous Cooling Transformations in Rail Steels by Rodrigues, Karine Fernandes, Faria, Geraldo Lúcio de

“…This paper presents the characterization of austenite to pearlite transformation in rail steels (premium and standard) using dilatometry. The critical…”
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miRNA 511_5p is a potential biomarker for ocular toxoplasmosis by de Faria Júnior, Geraldo Magela, Kumano, Laurie Sayuri, Bronchtein Gomes, Isabela, Camargos, Gláucio Silva, Meira-Strejevitch, Cristina da Silva, Castiglioni, Lilian, Previato, Mariana, Pereira-Chioccola, Vera Lucia, Brandão, Cinara Cássia, de Mattos, Luiz Carlos

“…ABSTRACT Background Ocular toxoplasmosis (OT) is a frequent clinical manifestation due to infection by Toxoplasma gondii. It is characterized by an…”
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Proposition of an Empirical Functional Equation to Predict the Kinetics of Austenite to Ferrite Transformation in a Continuous Cooled IF-Ti-Stabilized Steel by Cezário, Ana Luiza Soares, Faria, Geraldo Lúcio de

“…The kinetics of phase transformations in isothermal processes is well described by the classic JMAK model. However, it is known that most industrial facilities…”
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Weldability and mechanical behavior of laser-welded TRIP 750 steel sheets by Gonçalves, Thais Soares, de Faria, Geraldo Lúcio, de Siqueira, Rafael Humberto Mota, de Lima, Milton Sergio Fernandes

“…Transformation-induced plasticity steels have been developed and widely applied in the automotive and aerospace industries. They exhibit ductility and…”
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Students’ project for instrumentation and automation of a manually operated torsion testing machine with educational purposes by de Oliveira Filho, Wagner Rossi, de Faria, Geraldo Lúcio, Rocha, Ronilson, de Araújo, Sidney Cardoso

“…From the pedagogical point of view, a very interesting initiative for engineering schools is to engage their students in design, renovation, or maintenance…”
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Effect of Quenching Post‐Intercritical Austenitizing on the Microstructure and Tensile Properties of an K55 Grade Steel for Oil and Gas Industry by da Silva Lima, Verônica Stela, Schuttenberg, Arthur Cançado, Faria, Geraldo Lúcio de

“…The API K55 grade steel is widely utilized in seamless pipes for oil and gas exploration, especially as casing pipes for wellbores. Traditionally, this steel…”
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The use of dilatometry aiming to evaluate the metallurgical aspect of coil slump in a hot-rolled medium carbon steel by Fernandes, João Lucas Ribeiro e, de Souza, Altair Lúcio, de Faria, Geraldo Lúcio

“…The hot coil slump is a recurrent problem in the manufacturing process of medium and high equivalent carbon steel plates. Even with the success of the hot…”
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Austenitizing Temperature and Cooling Rate Effects on the Martensitic Transformation in a Microalloyed-Steel by Souza, Samuel da Silva de, Moreira, Paulo Sérgio, Faria, Geraldo Lúcio de

“…The effects of the austenitizing temperature and the cooling rate upon the kinetic of athermal martensitic transformation in a microalloyed steel were…”
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Experimental and Numerical Investigation of Flash-butt-welded Joints in Pearlitic-steel Rails: Fatigue and Residual Stress by Porcaro, Rodrigo Rangel, Godefroid, Leonardo Barbosa, Araújo, Francisco Célio de, Faria, Geraldo Lúcio de, Cândido, Luiz Cláudio

“…This study is focused on the performance evaluation of flash-butt-welded rail joints concerning their mechanical strength and fatigue life. Residual stresses…”
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Characterization of Austenite Decomposition in Steels with Different Chemical Concepts and High Potential to Manufacture Seamed Pipes for Oil and Gas Industry by Cardoso, Rogério Antão, Faria, Geraldo Lúcio de

“…This work presents the characterization of austenite decomposition kinetics in two steels during continuous cooling considering non-deformed austenite grains…”
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Heat treatment effects on the hardness and wear behavior of laser-welded AISI40 martensitic steel plates by Gonçalves, Karina Aparecida Martins Barcelos, de Faria, Geraldo Lúcio, de Siqueira, Rafael Humberto Mota, de Oliveira, Tarcísio Reis, de Lima, Milton Sérgio Fernandes

“…The use of laser beams for joining materials has grown along with the need to weld more challenging materials such as martensitic steels. In this work, an AISI…”
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Low-field magnetic analysis for sigma phase embrittlement monitoring in thermally aged 22Cr duplex stainless steel by Silva, David D.S., Raimundo, Rafael A., Torquato, Ramon A., Faria, Geraldo L., Morales, Marco A., Simões, Thiago A., Gomes, Rodinei M.

“…•Study of isothermal aging of UNS S31803 DSS at 800 °C.•The sigma phase precipitation occurred by eutectoid decomposition.•The sigma phase embrittlement led to…”
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Application of Intercritical Austenitizing in a Commercial CMnSi Steel as a Tool for Optimizing a One‐Step Quenching and Partitioning Cycle Aiming to Achieve a Third‐Generation Advanced High‐Strength Steel by Magalhães, Charles H. X. M., Corrêa, Elaine C. S., Faria, Geraldo L.

“…Advanced high‐strength steels (AHSS) have been extensively studied to develop its third generation from relatively low‐cost alloys, but seeking optimized…”
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Austenitizing Temperature Effects on the Martensitic Transformation and its Influence on Simulated Welding Residual Stresses in a Microalloyed-Steel by Abreu, Salvatore Giuliano Peixoto Tropia de, Porcaro, Rodrigo Rangel, Faria, Geraldo Lúcio de, Godefroid, Leonardo Barbosa, Pereira, Igor Cezar, Souza, Samuel da Silva de

“…This study focused on the effects of different peak (austenitizing) temperatures (Tp) over the martensite start temperature (Ms) and its influence on the final…”
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Kinetics of Isothermal Phase Transformations in Premium and Standard Rail Steels by Rodrigues, Karine F., Mourão, Gabriel M. M., Faria, Geraldo L.

“…Recently published articles have enhanced the importance of understanding phase transformations in rail eutectoid steels in an attempt to improve their…”
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The Effect of Casting Speed and the Fraction of Al5%Ti1%B Inoculant on the Microstructure and Mechanical Properties of the AA5052 Aluminum Alloy Produced by the Direct Chill Process by Faria, Geraldo Lúcio de, Leite, Anderson Santos

“…This study aimed to assess the effect of casting speed and the addition of Al5%Ti1%B inoculant in the casted AA5052 aluminum alloy plate manufactured by the…”
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Optimizing Rolling Strategies for API 5L X80 Steel Heavy Plates Produced by Thermomechanical Processing in a Reversible Single-Stand Mill by de Oliveira Abreu, Luiz Gustavo, de Faria, Geraldo Lúcio, de Faria, Ricardo José, Matsubara, Daniel Bojikian, Porcaro, Rodrigo Rangel

“…This study focuses on advancing the production of predominantly bainitic heavy plates to meet the API 5L X80 standard. The investigation involves a thorough…”
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