Search Results - "Costa de Santana, Renato Alexandre"

Influence of Zirconium Percentage on Microhardness and Corrosion Resistance of Ti50 Ni50-xZrx Shape Memory Alloys by Ramos, Alana Pereira, Castro, Walman Benício de, Costa, Josiane Dantas, Santana, Renato Alexandre Costa de

“…To obtain high temperature shape memory alloys of the lower cost Ni-Ti-X system, elements such as Hf and Zr are introduced to modify the thermal and mechanical…”
Get full text

Study on influence of the PTA-P welding process parameters on corrosion behavior of Inconel 625 coatings by Santos, Aureliano Xavier dos, Maciel, Theophilo Moura, Costa, Josiane Dantas, Sousa, Mikarla Baía de, Prasad, Shiva, Campos, Ana Regina Nascimento, Santana, Renato Alexandre Costa de

“…ABSTRACT In the present work, PTA welding process was used to investigate the influence of welding parameters on the dilution, microhardness and corrosion…”
Get full text

Effect of current density, temperature and bath pH on properties of Ni–W–Co alloys obtained by electrodeposition by Oliveira, José Anderson Machado, de Almeida, Arthur Filgueira, Campos, Ana Regina Nascimento, Prasad, Shiva, Alves, José Jaílson Nicácio, de Santana, Renato Alexandre Costa

“…In this paper the effect of parameters such as current density, temperature, and electrolytic bath pH on the electrodeposition process of the Ni–W–Co ternary…”
Get full text

Electrophoretic deposition and characterization of chitosan-molybdenum composite coatings by Oliveira, José Anderson Machado, de Santana, Renato Alexandre Costa, Wanderley Neto, Alcides de Oliveira

“…•A new chitosan-molybdenum (Chit-Mo) composite coating was obtained by EPD.•A Mo impregnated chitosan matrix adhering to the substrate was obtained by EPD.•The…”
Get full text

Supplementation with Moringa oleifera Lam leaf and seed flour during the pregnancy and lactation period of Wistar rats: Maternal evaluation of initial and adult neurobehavioral development of the rat progeny by Dantas, Danilo Lima, Alves, Maciel da Costa, Dantas, Gabriel Magno Santos, Campos, Ana Regina Nascimento, Santana, Renato Alexandre Costa de, Soares, Juliana Késsia Barbosa, Freitas, Juliano Carlo Rufino

“…Moringa oleifera Lam. (M. oleifera) is a tree species of Indian origin popularly known as the “tree of life”. In various cultures, it is used by pregnant women…”
Get full text

Establishing relationships between bath composition and the properties of amorphous Ni–Mo alloys obtained by electrodeposition by Filgueira de Almeida, Arthur, Venceslau de Souto, Joyce Ingrid, Lima dos Santos, Mathews, Costa de Santana, Renato Alexandre, Alves, José Jaílson Nicácio, Nascimento Campos, Ana Regina, Prasad, Shiva

“…•Bath concentration affects the deposition process and the coating’s properties.•Bath concentration variations can produce amorphous films with distinct…”
Get full text

Characterization of the chitosan-tungsten composite coating obtained by electrophoretic deposition by Oliveira, José Anderson Machado, de Santana, Renato Alexandre Costa, Wanderley Neto, Alcides de Oliveira

“…•A new chitosan-tungsten (Chit-W) coating was obtained by electrophoretic deposition.•A tungsten impregnated chitosan matrix adhering to the substrate was…”
Get full text

Chemical composition variation of the Ni–W alloy as a function of parameters used in the electrodeposition process by da Silva, Cicero Romerio Pereira, Costa, Josiane Dantas, de Almeida, Arthur Filgueira, de Santana, Renato Alexandre Costa, Campos, Ana Regina Nascimento, Alves, José Jailson Nicácio, de Abreu Santos, Tiago Felipe

“…In this work, Ni–W coatings were manufactured by electroplating from a 2 2 central composite factorial design with two central points and two axial points,…”
Get full text

Influence of bath composition on the electrodeposition of amorphous Ni‐Mo alloys using potassium‐sodium tartrate as complexing agent by Filgueira de Almeida, Arthur, Costa Neto, Heleno, Santana, Renato Alexandre Costa, Alves, José Jaílson Nicácio, Nascimento Campos, Ana Regina, Prasad, Shiva

“…Currently, sodium citrate is the most used complexing agent for electrodeposition of Ni‐Mo coatings, especially for studying the effect of bath temperature and…”
Get full text

Microstructure characterization of the weld cladding of clad steel plate A516 GR.70 - AISI 904L by electroslag strip cladding using Inconel 625 strip by Picchi, Ivan Bezerra de Mello, dos Santos, Mathews Lima, de Santana, Thiago Henrique Bezerra, de Santana, Renato Alexandre Costa, Torres López, Edwar Andrés, Vicente, André de Albuquerque, de Abreu Santos, Tiago Felipe

“…This work investigates the effect of welding on microstructure and microhardness of the clad plate of ASTM A516 steel Grade 70 coated with AISI 904L steel,…”
Get full text

Influence of Centerline Segregation Region on the Hydrogen Embrittlement Susceptibility of API 5L X80 Pipeline Steels by Lima dos Santos, Mathews, Filgueira de Almeida, Arthur, de Sousa Figueiredo, Guilherme Gadelha, da Silva, Marcos Mesquita, Maciel, Theophilo Moura, Santos, Tiago Felipe Abreu, de Santana, Renato Alexandre Costa

“…The influence of the centerline segregation region (CSR) on the hydrogen embrittlement (HE) of two different API 5L X80 pipeline steel plates was investigated…”
Get full text

Influence of voltage, feed speed and CTWD on the corrosion resistance of Inconel 625 alloy coatings deposited by MIG by Lima, Igor Jaloto de, Ferreira, Beatriz Cândida de Farias, Santos, Aureliano Xavier dos, Maciel, Theophilo Moura, Santana, Renato Alexandre Costa de

“…ABSTRACT Annually, high investments are made in the maintenance of pipelines used in the oil industry around the globe. Thus, solutions are sought that combine…”
Get full text

Effects of Contaminations on Electric Arc Behavior and Occurrence of Defects in Wire Arc Additive Manufacturing of 316L-Si Stainless Steel by Souto, Joyce Ingrid Venceslau de, Lima, Jefferson Segundo de, Castro, Walman Benício de, Santana, Renato Alexandre Costa de, Silva, Antonio Almeida, Abreu Santos, Tiago Felipe de, Tavares, João Manuel R. S.

“…Additive Manufacturing is a manufacturing process that consists of obtaining a three-dimensional object from the deposition of material layer by layer, unlike…”
Get full text

Effect of Electrochemical Bath Composition on the Preparation of Ni-W-Fe-P Amorphous Alloy by Costa, Josiane Dantas, de Sousa, Mikarla Baía, Alves, José Jaílson Nicácio, de Oliveira Evaristo, Bianca, Queiroga, Raíssa Alves, dos Santos, Aureliano Xavier, Maciel, Theophilo Moura, Campos, Ana Regina Nascimento, de Santana, Renato Alexandre Costa, Prasad, Shiva

“…The effect of nickel sulfate and sodium tungstate concentrations in an electrolytic bath on the process of obtaining the Ni-W-Fe-P alloy in the presence of a…”
Get full text

Obtaining and characterization of Ni-Ti/Ti-Mo joints welded by TIG process by Costa, Josiane Dantas, de Sousa, Mikarla Baía, Lia Fook, Nathália Cristina Morais, Alves, José Jailson Nicácio, de Araújo, Carlos José, Prasad, Shiva, Campos, Ana Regina Nascimento, de Santana, Renato Alexandre Costa

“…The assessment of heat treatment on dissimilar Ni-Ti and Ti-Mo welding has been evaluated in this work. An experimental design 32 was used as optimization tool…”
Get full text

Estudo de revestimentos de liga de níquel aplicados por soldagem em aço API 5L Gr B by Mesquita da Silva, Marcos, Cardoso, Gabrielly Santana, Maciel, Theophilo Moura, Santos, Marco Antonio dos, Santana, Renato Alexandre Costa de, Batista, Valmir Rodrigues

“…The aim of this study was to evaluate different weld coatings of Ni alloy applied by the process of submerged arc welding (SAW) on API 5L Gr B steel used in…”
Get full text

Obtenção de cobre eletrolítico pelo processo de eletrodeposição utilizando um banho sem cianeto e tratamento eletroquímico superficial by Pinto, Leonardo Alves, Barroso, Maria das Dores Bandeira, Santos, Cicero de Lima, Melo, João Baptista da Costa Agra de, Santana, Renato Alexandre Costa de

“…RESUMO A eletrodeposição de cobre em substratos ferrosos e não-ferrosos a partir de soluções contendo cianeto é uma das formas mais utilizadas industrialmente…”
Get full text

Efeito da densidade de corrente e pH na obtenção da liga Ni-Fe por eletrodeposição by Oliveira, José Anderson Machado, Raulino, Anamélia de Medeiros Dantas, Raulino, José Leonardo Costa, Campos, Ana Regina Nascimento, Prasad, Shiva, Santana, Renato Alexandre Costa de

“…RESUMO Revestimentos metálicos podem ser aplicados para diferentes finalidades, como exemplo, para melhorar as propriedades mecânicas, catalíticas,…”
Get full text

Effect of wire arc additive manufacturing parameters on geometric, hardness, and microstructure of 316LSi stainless steel preforms by de Lima, Jefferson Segundo, da Silva Neto, Júlio Feitosa, Maciel, Theophilo Moura, López, Edwar Andrés Torres, de Santana, Renato Alexandre Costa, de Abreu Santos, Tiago Felipe

“…Additive manufacturing (AM) is a manufacturing process based on the creation of a component layer by layer, with the wire arc additive manufacturing (WAAM)…”
Get full text

Effect of chitosan–tungsten composite coating obtained by electrophoretic deposition on the corrosion resistance of Ni–Ti alloy in physiological medium by Oliveira, José Anderson Machado, Araujo, Thales Gomes, Costa, Josiane Dantas, Almeida, Arthur Filgueira de, Campos, Ana Regina Nascimento, Santana, Renato Alexandre Costa de

“…Ni–Ti shape memory alloys (Nitinol) are suitable for biomedical applications such as orthodontic, orthopedic, and cardiovascular implants. However, to avoid…”
Get full text