Zobrazeno 1 - 10
of 248
pro vyhledávání: '"Leonardo Sales"'
Autor:
Aline Raquel Vieira Nunes, Sinara Borborema, Caio Marcello F. Azevedo Cossú, Leonardo Sales Araújo, Jean Dille, Loïc Malet, Michael J. Kaufman, Luiz Henrique de Almeida
Publikováno v:
Journal of Materials Research and Technology, Vol 31, Iss , Pp 4104-4112 (2024)
In this study, the influence of thermomechanical treatments on the microstructure and mechanical properties of a new metastable β-titanium Ti-23.6Nb-5.1Mo-6.7Zr alloy was assessed. The objective was to determine if the alloy is a potential candidate
Externí odkaz:
https://doaj.org/article/968481667e544ab289ce64af44bd1740
Publikováno v:
Journal of Petroleum Exploration and Production Technology, Vol 13, Iss 7, Pp 1575-1589 (2023)
Abstract As the oil and gas industry expands the use of subsea processing, the complexity of subsea layouts increases, making manual design processes cumbersome and suboptimal. Here we propose a method to support subsea field design where optimizatio
Externí odkaz:
https://doaj.org/article/e8635f5a99124c5097fc4c09a1099e41
Autor:
Juliana Paes Leme de Mello Sousa, Renata Nunes Oliveira, Antonia Monica Neres Santos, Ormindo Domingues Gamallo, Leonardo Sales Araújo, Antonieta Middea, Yara Peluso Cid, Rosane Nora Castro
Publikováno v:
Polímeros, Vol 33, Iss 2 (2023)
Abstract Propolis is a resinous product collected by honeybees with a complex chemical composition. Sodium carboxymethylcellulose is a polymer commonly used in wound care. The goal of the present work was to produce and characterize NaCMC membranes l
Externí odkaz:
https://doaj.org/article/385966493a7249528b54f72977d15167
Autor:
Rosa Maria Sales da Silveira, Alessandra Vieira Guimarães, Clarissa Hadad de Melo, Rafaella Martins Ribeiro, Alexandre Bellegard Farina, Loïc Malet, Luiz Henrique de Almeida, Leonardo Sales Araujo
Publikováno v:
Journal of Materials Research and Technology, Vol 18, Iss , Pp 3283-3290 (2022)
The nickel-base alloy 718 is widely used due to its superior performance at high temperatures, combining properties such as high strength, high corrosion and oxidation resistances and good formability and weldability. Its properties can be further im
Externí odkaz:
https://doaj.org/article/6efd749e13994198b358a0e406b30b15
Autor:
Aline Raquel Vieira Nunes, Sinara Borborema, Leonardo Sales Araújo, Taissa Zangerolami Lopes Rodrigues, Loïc Malet, Jean Dille, Luiz Henrique de Almeida
Publikováno v:
Metals, Vol 13, Iss 11, p 1889 (2023)
A new generation of titanium alloys with non-toxic, non-allergenic elements and lower Young’s modulus (YM) have been developed, presenting modulus values close to that of bone. In titanium alloys, the value of the Young’s modulus is strongly depe
Externí odkaz:
https://doaj.org/article/346b1aabcd2d47cbbbf63b7d11cbe6f0
Autor:
Thaís de Carvalho Pontes-Madruga, Halana Valéria Carneiro Filgueiras, Daniel Marcus San da Silva, Leonardo Sales da Silva, José Ricardo Gurgel Testa
Publikováno v:
Brazilian Journal of Otorhinolaryngology, Vol 88, Iss 2, Pp 235-242 (2022)
Introduction: Fibrous dysplasia is a benign disorder, in which normal bone is replaced by fibrosis and immature bone trabeculae, showing a similar distribution between the genders, and being more prevalent in the earlier decades of life. Fibrous dysp
Externí odkaz:
https://doaj.org/article/c5a4816294704e3e9b73747ced7e6edf
Autor:
Flávia da Cruz Gallo, Luiz Maurício Barreto de Azevedo, Cilene Labre, Leonardo Sales Araújo, Jean Dille, Luiz Henrique de Almeida
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 2, Pp 1801-1808 (2020)
The nickel-based superalloy 718 after processing through three thermomechanical routes, i.e., forged, hot rolled, and cold rolled, was investigated considering its δ-phase (Ni3Nb–DOa) intergranular precipitation. The samples were subjected to diff
Externí odkaz:
https://doaj.org/article/855b30e943704653b28a3e52e55fcd8e
Autor:
Jorge Carlos Ferreira Jorge, Joel Lemos Dias Monteiro, Antonio José de Carvalho Gomes, Ivani de Souza Bott, Luís Felipe Guimarães de Souza, Matheus Campolina Mendes, Leonardo Sales Araújo
Publikováno v:
Journal of Materials Research and Technology, Vol 8, Iss 1, Pp 561-571 (2019)
The development of consumables for welding of high strength steels represents a continuous challenge taking into account the great variety of alloy systems. In this regard, there are many applications, such as offshore structures, where the welding i
Externí odkaz:
https://doaj.org/article/f235b02543884bdda53aa79a2dc56ad5
Autor:
Leonardo Sales Araujo, Clarissa Hadad de Melo, Rodrigo Pereira Gonçalves, Amanda de Vasconcelos Varela, Luiz Henrique de Almeida
Publikováno v:
Journal of Materials Research and Technology, Vol 8, Iss 1, Pp 683-689 (2019)
Under the harsh conditions imposed by the processing or due to an “overheating event”, the superalloy 718 may be exposed to very high temperatures, which can result in degradation of the microstructure. The time under such high temperatures can b
Externí odkaz:
https://doaj.org/article/b2d32a8e156c40ab8d90345e429c4db1
Autor:
Aline Raquel Vieira Nunes, Sinara Borborema, Leonardo Sales Araújo, Luiz Henrique de Almeida, Michael J. Kaufman
Publikováno v:
Metals, Vol 12, Iss 10, p 1588 (2022)
Metastable β titanium alloys are developed for biomedical applications due to their low Young’s moduli and functional properties. These alloys can be fitted to different parts of orthopedic implants through thermomechanical processing and chemical
Externí odkaz:
https://doaj.org/article/f82dbc2d02c84cecbb37968d7ce18e50