Zobrazeno 1 - 10
of 163
pro vyhledávání: '"Carlos Maurício Lepienski"'
Autor:
Jomar José Knaip Ribeiro, Alba Regina Turin, Yamid E. Nuñez de la Rosa, Pedro Victorio Caetano Abrantes Quadros, Oriana Palma Calabokis, Carlos Maurício Lepienski, Silvio Francisco Brunatto, Paulo César Borges
Publikováno v:
Metals, Vol 13, Iss 5, p 864 (2023)
This study aimed at the mechanical characterization, on a nanometric scale, of the constituents obtained for different fractions in duplex stainless-steel plates subjected to 850, 950, 1000, and 1150 °C heating treatments via hardness measurements a
Externí odkaz:
https://doaj.org/article/be41281df2c845f78272a5f2d8f05a09
Autor:
Bruna C. E. Schibicheski Kurelo, Gelson Biscaia De Souza, Silvio Luiz Rutz Da Silva, Carlos Maurício Lepienski, Clodomiro Alves Júnior, Rafael Fillus Chuproski, Giuseppe Pintaúde
Publikováno v:
Metals, Vol 13, Iss 2, p 430 (2023)
Two surface modification techniques, the glow discharge plasma nitriding (GDPN) and the cathodic cage plasma nitriding (CCPN), were compared regarding the mechanical and tribological behavior of layers produced on AISI 316 stainless-steel surfaces. T
Externí odkaz:
https://doaj.org/article/caac56f6f1c343dbbebcdbf291de20d2
Autor:
Jonas Bertholdi, Carlos Vinicius Opelt, Júlio César Giubilei Milan, Luiz Antonio Ferreira Coelho, Carlos Maurício Lepienski
Publikováno v:
Polímeros, Vol 24, Iss 4, Pp 514-520 (2014)
Neste trabalho são estudados os efeitos da adição de nanotubos de carbono de parede múltipla (NCPM) em uma matriz de Poli(L-ácido láctico) (PLLA). Foras avaliadas duas rotas distintas de dispersão dos NCPM, uma utilizando agitação mecânica
Externí odkaz:
https://doaj.org/article/d052df56c01d48f5a59243362cf9a069
Autor:
Angela Nardelli Allenstein, Carlos Maurício Lepienski, Augusto José de Almeida Buschinelli, Silvio Francisco Brunatto
Publikováno v:
Materials Research, Vol 13, Iss 4, Pp 557-562 (2010)
This work aims to characterize the phases, thickness, hardness and hardness profiles of the nitride layers formed on the CA-6NM martensitic stainless steel which was plasma nitrided in gas mixtures containing different nitrogen amounts. Nitriding was
Externí odkaz:
https://doaj.org/article/091f3306fadc40a4a9017e185888eacd
Autor:
Gelson Biscaia de Souza, Carlos Eugênio Foerster, Silvio Luiz Rutz da Silva, Carlos Maurício Lepienski
Publikováno v:
Materials Research, Vol 9, Iss 2, Pp 159-163 (2006)
The nanoindentation technique allows the determination of mechanical properties at nanometric scale. Hardness (H) and elastic modulus (E) profiles are usually determined by using the Oliver-Pharr method from the load/unload curves. This approach is v
Externí odkaz:
https://doaj.org/article/afaf2a59773d4973a8f31fff0cdb0cee
Autor:
Maria Margareth da Silva, Mário Ueda, Choyu Otani, Helfried Reuther, Carlos Maurício Lepienski, Paulo César Soares Junior, Jorge Otubo
Publikováno v:
Materials Research, Vol 9, Iss 1, Pp 97-100 (2006)
Based on the fact that the Ti-6Al-4V alloy has good mechanical properties, excellent resistance to corrosion and also excellent biocompatibility, however with low wear resistance, this work aims to test plasma processes or combination of plasma and i
Externí odkaz:
https://doaj.org/article/c035df440c7c4347ae6ba72986fad038
Autor:
Bruno Leandro Pereira, Carlos Maurício Lepienski, Viviane Seba, Guibert Hobold, Paulo Soares, Bor Shin Chee, Pedro Akira Bazaglia Kuroda, Erico Saito Szameitat, Leonardo Luís dos Santos, Carlos Roberto Grandini, Michael Nugent
Publikováno v:
Materials Research
The present study produced binary titanium-niobium alloys Ti-xNb with high niobium percentage (x = 50, 80 e 90 wt.%) aiming to apply it as a base material in osseous implant devices. The produced TiNb alloys presented a cubic crystalline phase, lower
Externí odkaz:
https://doaj.org/article/cd3bb1ca8d0e4135a8577680d224014d
Autor:
Bruno Leandro Pereira, Viviane Seba Sampaio, Gabriel Goetten de Lima, Carlos Maurício Lepienski, Mozart Marins, Bor Shin Chee, Michael J. D. Nugent
Publikováno v:
Polyvinyl Alcohol‐Based Biocomposites and Bionanocomposites. :179-203
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::53deff28e828dbcf82056e7b834e1b3e
https://doi.org/10.1002/9781119593218.ch7
https://doi.org/10.1002/9781119593218.ch7
Autor:
Suellen Terroso de Mendonça Ferreira, Eduardo Mauro do Nascimento, André Luiz Klemes Bacco, Carlos Maurício Lepienski
Publikováno v:
Materials Sciences and Applications. 12:330-344
The mechanical behavior and wear of the different hardened phases with bore-induced changes in AISI 4340 and AISI D2 steels were investigated. The hardness and modulus of elasticity were measured by nanoindentation and the values obtained for the lay
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::16605b0aa07c44f4466d2df9b9ee281d
https://doi.org/10.4236/msa.2021.127022
https://doi.org/10.4236/msa.2021.127022
Autor:
Michel Felipe Lima de Araujo, Luc Pichon, Mario Ueda, Carlos Maurício Lepienski, Fernanda S. Yamasaki, Jose O. Rossi, Ataide Ribeiro Silva, H. Reuther
Publikováno v:
IEEE Transactions on Plasma Science. 48:3800-3806
Plasma immersion ion implantation (PIII) was conducted in a large volume chamber with a current-controlled high-voltage pulser, to test the vacuum, plasma, and PIII conditions, in a preparation for the treatments of large workpieces or the batch-proc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5911bafd36cfdfbfdfe1028a103bdd34
https://doi.org/10.1109/tps.2020.3032119
https://doi.org/10.1109/tps.2020.3032119