Search Results - "Henrique de Carvalho Costa, Thércio"

Molybdenum Oxide Coatings Deposited on Plasma Nitrided Surfaces by Monção, Renan Matos, Danelon, Miguel Rubira, de Almeida, Larissa Solano, Rossino, Luciana Sgarbi, Marciano, Fernanda Roberta, Costa, Thércio Henrique de Carvalho, Feitor, Michelle Cequeira, do Nascimento, Ruben Maribondo, de Sousa, Rômulo Ribeiro Magalhães

“…Molybdenum trioxide (MoO3) thin films are generally deposit on metallic surfaces to increase their tribological performance. In this manuscript, MoOx coatings…”
Get full text

Nitriding of AISI 1020 steel: comparison between conventional nitriding and nitriding with cathodic cage by Sousa, Rômulo Ribeiro Magalhães de, Moura, Yuri José Luz, Sousa, Pedro Américo Orsano de, Medeiros Neto, José Quinzinho, Costa, Thércio Henrique de Carvalho, Alves Junior, Clodomiro

“…Cylindrical samples of AISI 1020 steel were nitrided, using the techniques of conventional plasma nitriding and cathodic cage. In the latter, the samples are…”
Get full text

Influence of Time and Temperature of Plasma Nitriding on the Wear Resistance of Ni–Cr–Mo‐Based Films Deposited by AISI 904L Cathodic Cage on SAE 6160 Steel by Medeiros Filho, Mario Viana, Libório, Maxwell Santana, Coan, Karine S., Rossino, Luciana S., Feitor, Michelle Cequeira, de Lima, Luciano Lucas Fernandes, Costa, Thércio Henrique de Carvalho, do Nascimento, Rubens Maribondo, de Sousa, Rômulo Ribeiro Magalhães

“…This work aims to evaluate the effects on surface hardness and wear resistance of plasma nitriding treatment on SAE 6160 steel that exhibits cathodic cage…”
Get full text

Evaluation of Corrosion Resistance of Thin Films Formed on AISI 316L Steel by Plasma Using Hastelloy as Cathodic Cage by Monção, Renan Matos, Júnior, Edgar Alves Araújo, Bandeira, Rafael Marinho, de Abreu Lima, Caíque Diego, da Luz Lima, Cleânio, Feitor, Michelle Cequeira, de Carvalho Costa, Thércio Henrique, de Sousa, Rômulo Ribeiro Magalhães

“…Herein, the use of Hastelloy C‐276 as a cathodic cage for the deposition of thin films on the AISI 316L steel substrate by plasma is investigated. The films…”
Get full text

Structural and Optical Properties of ZnO:Al Thin Films Produced by Magnetron Sputtering with Different Oxygen Flow: An Experimental and Ab Initio Study by Queiroz, José César Augusto de, Filho, João Batista de Azevedo, Feitor, Michelle Cerqueira, Libório, Maxwell Santana, Santos, Edson José da Costa, Souto, Ulisses Borges, de Sousa, Rômulo Ribeiro Magalhães, Costa, Thércio Henrique de Carvalho

“…This work addresses, in an experimental and theoretical way, the influence of different oxygen pressure values on the physical and electronic properties of…”
Get full text

Influence of Quenching and Tempering on the Tribological and Corrosion Behavior of Plasma‐Nitrided Society of Automotive Engineers 52100 by Souza dos Reis Junior, Jenario, Cristino de Sousa Brito, Marcos, Abreu de Oliveira, Patrik, Santana Libório, Maxwell, Matos Monção, Renan, Sousa Nunes, Maelson, Augusto Antônio Júnior, César, Sgarbi Rossino, Luciana, Henrique de Carvalho Costa, Thércio, Ciqueira Feitor, Michelle, Ribeiro Magalhães de Sousa, Rômulo

“…Society of automotive engineers (SAE) 52100 (100Cr6) steel, used in manufacturing bearings and shafts, deserves attention due to wear and corrosion problems…”
Get full text

Pressure Analysis in Rigid and Flexible Real Arteriovenous Fistula with Thickness Variation In Vitro by Rangel, Jonhattan Ferreira, de Almeida Santos, Willyam Brito, de Carvalho Costa, Thércio Henrique, de Bessa, Kleiber Lima, Melo, José Daniel Diniz

“…An arteriovenous fistula (AVF) is the access most recommended by several authors. However, its manufacture and use can cause several problems in the short,…”
Get full text

Investigation of the Drag-Reduction Phenomenon on Plasma-Modified Surface by Diniz, Gutembergy Ferreira, Souza, Ivan Alves de, Neto, João Freire de Medeiros, Menezes, Anderson Wagner, Souza, Jailson Alves de, Ortiz, Jayme, Costa, Thércio Henrique de Carvalho, Bessa, Kleiber Lima de, Feitor, Michelle Cequeira

“…Drag is one of the main energy-dissipating phenomena in engineering applications. Drag-reduction mechanisms have been studied to reduce this cost…”
Get full text

Study of the deposition of hydroxyapatite by plasma electrolytic oxidation (PEO) in stainless steel AISI 316LVM samples by Alves de Menezes, Anderson Wagner, Souza, Ivan Alves de, Costa, Thércio Henrique de Carvalho, Costa, Tharsia Cristiany de Carvalho, Sousa, Rômulo Ribeiro Magalhães de, Nascimento, Rubens Maribondo, Aires, Michelle de Medeiros, Feitor, Michelle Cequeira

“…The tissue–prosthesis relationship is essential for the success of an implant. Aiming at higher levels of affinity between the implant and the human body,…”
Get full text

Study of the Optoelectronic Properties of Titanium Nitride Thin Films Deposited on Glass by Reactive Sputtering in the Cathodic Cage by Madureira, Hunos Paixão, Monção, Renan Matos, Silva, Adriano Almeida, Hidalgo, Angel Alberto, Vega, Maria Letícia, Feitor, Michelle Cequeira, Santos, Francisco Eroni Paz, Costa, Thércio Henrique de Carvalho, Sousa, Rômulo Ribeiro Magalhães de

“…We investigate the structural, optical, thermal-optical, and electronic properties of TiNx thin films utilizing a variety of experimental techniques, including…”
Get full text

Plasma deposition from cathodic cylinders: A technology for reduction of metallic oxides and deposition of wear-resistant films by de Medeiros Neto, João freire, Lima, Luciano Lucas Fernandes, Vieira, Pâmala Samara, da Costa, Bruna Teixeira, Libório, Maxwell Santana, de Queiroz, José César Augusto, de Medeiros Aires, Michelle, Nascimento, Igor Oliveira, de Souza, Ivan Alves, Feitor, Michelle Cequeira, de Sousa, Rômulo Ribeiro Magalhães, do Nascimento, Rubens Maribondo, de Carvalho Costa, Thércio Henrique

“…This work aims to conduct the deposition of wear-resistant and high-hardness thin films on AISI 4340 using a recently developed technique called cathodic…”
Get full text

Influence of Treatment Time on the Synthesis of Copper Oxide Semiconductor Films by Cathode Cage Plasma Deposition by de Carvalho, Júlio Fernando Sousa, Monção, Renan Matos, de Sousa, Ediones Maciel, da Luz Lima, Cleânio, dos Santos Cruz Costa, Carla Laize, Garcia, Ramón Raudel Pena, Feitor, Michelle Cequeira, de Carvalho Costa, Thércio Henrique, Libório, Maxwell Santana, de Sousa, Rômulo Ribeiro Magalhães

“…Due to its elemental abundance, nontoxic nature, and suitable optical-electrical properties, copper oxide is a valuable p -type semiconductor for photovoltaic…”
Get full text

Growth of α-Fe2O3 thin films by plasma deposition: Studies of structural, morphological, electrochemical, and thermal-optical properties by Júnior, José Weliton Nogueira, Monção, Renan Matos, Bandeira, Rafael Marinho, Ribeiro dos Santos Júnior, José, Araujo, Jefferson Ferraz Damasceno Felix, Moura, João Victor Barbosa, Lima, Lucas Batista Silva, Santos, Francisco Eroni P., Lima, Cleânio da Luz, Costa, Thércio Henrique de Carvalho, de Sousa, Rômulo Ribeiro Magalhães

“…In this work, iron oxide thin films were grown on glass slides and AISI 304 austenitic steel substrates using carbon steel as the cathodic cage in the plasma…”
Get full text

Study of the Influence of Variation in Distances Between Electrodes in Spectral DBD Plasma Excitation by Souza, Ivan Alves de, Nascimento Neto, Arlindo Balbino do, Queiroz, José César Augusto de, Matamoros, Efrain Pantaleón, Costa, Thércio Henrique de Carvalho, Feitor, Michelle Cequeira, Souza, John Magno Lopes de, Camara, Nailton Torres, Severiano Sobrinho, Valmar da Silva

“…Dielectric Barrier Discharge (DBD) is a promising technique for producing plasma in atmospheric pressure and is gaining emphasis in several areas, especially…”
Get full text

Novel Synthesis of Zinc Oxide on Cotton Fabric by Cathodic Cage Plasma Deposition for Photocatalytic and Antibacterial Performance by Santos, Rayane Saory Medeiros Dos, Naeem, Muhammad, da Silva, Anderson Lucas, De Medeiros Aires, Michelle, de Sousa, Rômulo R Magalhães, de Carvalho Costa, Thércio Henrique, Rocha, Hugo Alexandre Oliveira, De Melo, Maria Celeste Nunes, Feitor, Michelle Cequeira

“…Cotton fabrics with zinc oxide (ZnO) coating are of significant interest due to their excellent antibacterial performance. Thus, they are widely in demand in…”
Get full text

Effects of Electric Current on the Structural and Optical Properties of TiO2 Films by da Costa Santos, Edson José, de Queiroz, José César Augusto, Libório, Maxwell Santana, Sousa, Ivan Alves, Nascimento, Igor Oliveira, Feitor, Michelle Cequeira, de Carvalho Costa, Thercio Henrique

“…TiO 2 thin films were deposited on glass substrates through magnetron sputtering using a Ti target and an Ar-O 2 gas mixture, with different electrical…”
Get full text

Tribological Behavior of SINTER30 Steel Subjected to Duplex Treatment by Macedo, Francisco Rafael Campos de, Sousa, Rômulo Ribeiro Magalhães de, Junior, José Wellinton Nogueira, Luz-Lima, Cleânio, Libório, Maxwell Santana, Lobo, Anderson de Oliveira, Trava-Airoldi, Vladimir Jesus, Marciano, Fernanda Roberto, Feitor, Michelle Cequeira, Costa, Thércio Henrique de Carvalho, Nascimento, Rubens Maribondo do

“…Plasma nitriding has been extensively used to improve materials’ surface and mechanical properties using conventional plasma techniques. However, this process…”
Get full text

Morphological analysis of the TiN thin film deposited by CCPN technique by e Silva, Heurison de Sousa, Marciano, Fernanda Roberta, de Menezes, Alan Silva, Costa, Thercio Henrique de Carvalho, de Almeida, Larissa Solano, Rossino, Luciana Sgarbi, Nascimento, Igor Oliveira, de Sousa, Rômulo Ribeiro Magalhães, Viana, Bartolomeu Cruz

“…TiN granular thin films were deposited on SiO2 substrates using cathodic cage plasma nitriding (CCPN) and SEM images, roughness analysis, contact angle…”
Get full text

Influence of Hastelloy’s Cathodic Cage Plasma Deposition on Corrosion Resistance of AISI 304 Stainless Steel and of AISI D6 Tool Steel by Costa, Pablo Matheus Oliveira, Serra, Petteson Linniker Carvalho, Monção, Renan Matos, Menezes, Alan Silva de, Borges, Ferdinando Marco Rodrigues, Costa, Thercio Henrique de Carvalho, Sousa, Rômulo Ribeiro Magalhães de

“…Abstract AISI D6 tool steel and AISI 304 stainless steel are among the most widely used material in the industry. However, this application field can still be…”
Get full text

Evaluation of Aging in Air of Poly (Ethylene Terephthalat) in Oxygen Plasma by Feitor, Michelle Cequeira, Alves Junior, Clodomiro, Bezerra, Clovis Medeiros, Sousa, Rômulo Ribeiro Magalhães de, Costa, Thercio Henrique de Carvalho

“…Polyester fabric samples - PET (poly (ethylene terephtalate)), were treated with oxygen plasma, in order to alter the hydrophilicity of such material. The…”
Get full text