Search Results - "da Silva, Alexandre Rocha"

Maternal adipose tissue to early preeclampsia risk detection: Is the time to maternal ultrasound beyond fetal evaluation? by Silva Rocha, Alexandre Da, Rombaldi Bernardi, Juliana, Matos, Salete De, Cortés Kretzer, Daniela, Carvalhal Schöffel, Alice, Zubaran Goldani, Marcelo, Azevedo Magalhães, José Antônio De

“…Introduction This study aims to determine the predictive capacity of isolated maternal periumbilical and epigastric fat measurements during pregnancy to…”
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Maternal visceral adipose tissue during the first half of pregnancy predicts gestational diabetes at the time of delivery - a cohort study by Rocha, Alexandre da Silva, Bernardi, Juliana Rombaldi, Matos, Salete, Kretzer, Daniela Cortés, Schöffel, Alice Carvalhal, Goldani, Marcelo Zubaran, de Azevedo Magalhães, José Antônio

“…Gestational diabetes mellitus (GDM) is a common condition, often associated with high maternal and fetal morbidity. The use of new tools for early GDM…”
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In Situ Investigation of the Bainitic Transformation from Deformed Austenite During Continuous Cooling in a Low Carbon Mn-Si-Cr-Mo Steel by Lemos Bevilaqua, William, Epp, Jérémy, Meyer, Heiner, Da Silva Rocha, Alexandre, Roelofs, Hans

“…The effects of hot deformation on the bainitic transformation of a low carbon steel during continuous cooling were comprehensively studied through in situ…”
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New ASPN High Efficiency Treatment of ASTM M2 Steel by Lima, Edison Silva, Oliveira, Leonardo Fonseca, Rocha, Alexandre da Silva

“…Plasma nitriding treatments are applied to achieve excellent surface properties on steel parts and tools. Active screen plasma nitriding (ASPN) does not have…”
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Anthropometrical measurements and maternal visceral fat during first half of pregnancy: a cross-sectional survey by Kretzer, Daniela Cortés, Matos, Salete, Von Diemen, Lisia, de Azevedo Magalhães, José Antônio, Schöffel, Alice Carvalhal, Goldani, Marcelo Zubaran, da Silva Rocha, Alexandre, Bernardi, Juliana Rombaldi

“…Background Determining anthropometric measures that indicate different fat deposits can be useful to predict metabolic risk and set specific treatment goals,…”
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Response of a DIN 18MnCrSiMo6-4 Continuous Cooling Bainitic Steel to Plasma Nitriding with a Nitrogen Rich Gas Composition by Dalcin, Rafael Luciano, Oliveira, Leonardo Fonseca, Diehl, Igor Luis, Dias, Vinicius Waechter, Rocha, Alexandre da Silva

“…Abstract The use of continuous cooling bainitic steels can provide a more energy efficient manufacturing route. However, for their use in mechanical components…”
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Improvement on pitting wear resistance of gears by controlled forging and plasma nitriding by Dalcin, Rafael Luciano, Marques de Menezes, Valcir, Fonseca Oliveira, Leonardo, da Silva, Carlos Henrique, Klein das Neves, Julio Cesar, Theis Soares Diehl, Carla Adriana, da Silva Rocha, Alexandre

“…In the present investigation, the use of a bainitic steel for forged gears applications and the suitability of different plasma nitriding treatments is…”
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Constitutive Modelling of High Temperature Flow Behaviour for a Low Carbon High Silicon Bainitic Steel by Ivaniski, Thiago Marques, Souza, Tomaz Fantin de, Épp, Jérémy, Rocha, Alexandre da Silva

“…It is well recognized the importance of the rheological characterization for the development of the steel in thermomechanical treatments, especially for the…”
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Microstructure and Wear Properties of a Low Carbon Bainitic Steel on Plasma Nitriding at Different N2-H2 Gas Mixtures by Dalcin, Rafael Luciano, Rocha, Alexandre da Silva, de Castro, Victor Velho, das Neves, Julio Cesar Klein, da Silva, Carlos Henrique, Torres, Ricardo Diego, Nunes, Rafael Menezes, Malfatti, Célia de Fraga

“…For the first time, the influence of gas mixture on first damage resistance of a plasma nitrided DIN 18MnCrSiMo6-4 bainitic steel was investigated. Samples…”
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Response of a DIN 18MnCrSiMo6-4 Continuous Cooling Bainitic Steel to Different Plasma Nitriding Gas Mixtures by Dalcin, Rafael Luciano, Oliveira, Leonardo Fonseca, Diehl, Carla Adriana Theis Soares, da Silva Rocha, Alexandre

“…Continuous cooling bainitic steels has been widely used in industrial processes owing to its excellent mechanical properties and toughness. Although the…”
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Revealing the Dynamic Transformation of Austenite to Bainite during Uniaxial Warm Compression through In-Situ Synchrotron X-ray Diffraction by Bevilaqua, William Lemos, Epp, Jérémy, Meyer, Heiner, Dong, Juan, Roelofs, Hans, da Silva Rocha, Alexandre, Reguly, Afonso

“…In this work, the microstructural evolution during the dynamic transformation of austenite to bainite was directly observed by in-situ high energy synchrotron…”
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Modifiable predictors to maternal visceral adipose tissue during pregnancy: A clinical, demographic, and nutritional study by Bernardi, Juliana Rombaldi, Silva Rocha, Alexandre, Matos, Salete, Kretzer, Daniela Cortés, Schöffel, Alice Carvalhal, Goldani, Marcelo Zubaran, Azevedo Magalhães, José Antônio

“…Aim Higher amounts of maternal visceral adipose tissue were related to abnormal outcomes in pregnancy. Our objective was to evaluate the impact of modifiable…”
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Austenitic Grain Size Prediction in Hot Forging of a 20MnCr5 Steel by Numerical Simulation Using the JMAK Model for Industrial Applications by Ivaniski, Thiago Marques, Epp, Jérémy, Zoch, Hans-Werner, Rocha, Alexandre da Silva

“…Yield strength and toughness in steels are directly associated with hot forging processes, especially by controlling austenitic grain size and cooling…”
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Influence of Plasma Nitriding with a Nitrogen Rich Gas Composition on the Reciprocating Sliding Wear of a DIN 18MnCrSiMo6-4 Steel by Dalcin, Rafael Luciano, Rocha, Alexandre da Silva, Castro, Victor Velho de, Oliveira, Leonardo Fonseca, Neves, Julio Cesar Klein das, Silva, Carlos Henrique da, Malfatti, Célia de Fraga

“…In this study, the sliding wear of a DIN 18MnCrSiMo6-4 continuous cooling bainitic steel plasma nitrided with a nitrogen rich gas composition was investigated…”
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Characterization of local residual stress inhomogeneities in combined wire drawing processes of AISI 1045 steel bars by Hirsch, Thomas Karl, da Silva Rocha, Alexandre, Menezes Nunes, Rafael

“…Cold formed semi-finished products face an increasing demand from industry as they can be manufactured to dimensional precision and high surface quality…”
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Experimental Analysis of Residual Stresses in Pre-Straightened SAE 1045 Steel by Diehl, Carla Adriana Theis Soares, Rocha, Alexandre da Silva, Epp, Jérémy, Zoch, Hans-Werner

“…This paper aims at analyzing the effects of the roller pre-straightening of wire-rods on residual stress distributions in SAE 1045 steel bars. The combined…”
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Residual stress analysis of drive shafts after induction hardening by Lemos, Guilherme Vieira Braga, Hirsch, Thomas Karl, Rocha, Alexandre da Silva, Nunes, Rafael Menezes

“…Typically, for automotive shafts, shape distortion manifests itself in most cases after the induction hardening by an effect known as bending. The distortion…”
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Metallurgical response of an AISI 4140 steel to different plasma nitriding gas mixtures by Skonieski, Adão Felipe Oliveira, Santos, Giovanni Rocha dos, Hirsch, Thomas Karl, Rocha, Alexandre da Silva

“…Plasma nitriding is a surface modification process that uses glow discharge to diffuse nitrogen atoms into the metallic matrix of different materials. Among…”
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Laser remelting of WC-CoCr surface coated by HVOF: Effect on the tribological properties and energy efficiency by de Medeiros Castro, Richard, Mercado Curi, Elvys Isaías, Feltrim Inacio, Luiz Fernando, da Silva Rocha, Alexandre, Pereira, Milton, Gomes Nunes Silva, Rafael, de Souza Pinto Pereira, Adriano

“…In this article, the tribological behavior and energy efficiency of surfaces coated with WC-CoCr/HVOF were evaluated after a laser remelting process, using low…”
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Effects of gas mixture on active screen plasma nitriding and post-oxidation of a 4140 steel by Fonseca Oliveira, Leonardo, Velho de Castro, Victor, Zen Vasconcellos, Marcos Antonio, Klein das Neves, Julio Cesar, de Fraga Malfatti, Celia, da Silva Rocha, Alexandre

“…Plasma nitriding, followed by post-oxidation, is a surface treatment used to enhance the properties of steel parts. The primary objective of such treatments is…”
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