Zobrazeno 1 - 10
of 50
pro vyhledávání: '"Lírio Schaeffer"'
Autor:
Luciano da S. Duarte, Paulo Renato S. Sanches, Júlio L. Nectoux Filho, Adamastor Humberto Pereira, Lírio Schaeffer
Publikováno v:
Clinical and Biomedical Research, Vol 22, Iss 3 (2022)
Objetivos: Vários stents de metal foram desenvolvidos nos últimos anos. Há grandes diferenças entre as propriedades mecânicas dos mesmos. Buscando-se avaliar o desempenho de stents protótipos, foram desenvolvidos um equipamento e um procediment
Externí odkaz:
https://doaj.org/article/2eb89b6b2df4451e86e4ee504706cbb0
Autor:
Luis Folle, Lírio Schaeffer
Publikováno v:
Materials Research, Vol 22, Iss 6 (2020)
There are 6 different types of equations that have been formulated to measure friction through the bending under tension test, however, there is no work to show whether these calculations actually represent what is happening in a sheet metal stamping
Externí odkaz:
https://doaj.org/article/a51a48599ee84d56b2c23823b5562e2b
Autor:
Maria Rita Ortega Vega, Karine Parise, Leandro B. Ramos, Uilian Boff, Silvana Mattedi, Lírio Schaeffer, Célia F. Malfatti
Publikováno v:
Materials Research, Vol 20, Iss 3, Pp 675-687 (2017)
Among the applications for protic ionic liquids (PILs), lubrication is one of the newest and the most promising. In this work, ammonium-based protic ionic liquids were tested as lubricant fluids for aluminum-steel contacts. PILs were synthesized with
Externí odkaz:
https://doaj.org/article/1a5d05f3ae1343f7b20b41e578adfa7f
Autor:
Rafael Francisco Niada, Moisés de Matos Dias, Ricardo Martins de Martins, Patrice Monteiro de Aquim, Lírio Schaeffer
Publikováno v:
Conhecimento Online, Vol 2, Iss 0, Pp 35-49 (2015)
Este trabalho tem por objetivo a simulação de um Motor Síncrono Trifásico com Ímãs Permanentes, onde o núcleo do estator é obtido a partir dos processos de Metalurgia do Pó (M/P). Inicialmente confeccionaram-se corpos de prova de ferro puro,
Externí odkaz:
https://doaj.org/article/67f2c49b7e79439b9cb69e70570135c8
Autor:
Leandro Pelegrini, Sérgio Deitos Bittencourt, Philippe Pauletti, José Carlos Krause de Verney, Moisés de Mattos Dias, Lírio Schaeffer
Publikováno v:
Materials Research, Vol 18, Iss 5, Pp 1070-1076 (2015)
AbstractIn this study the soft magnetic alloy Fe-3Si-0.75P (wt%) was obtained by mechanical alloying through powder metallurgy. The processing included the formulation of metallic powder, wet milling for 1 h, 3 h, 6h and 9 h, in an attritor mill usin
Externí odkaz:
https://doaj.org/article/5b66c78ffb0c4527b1e51455d6eca8ec
Publikováno v:
Tecnologia em Metalurgia, Materiais e Mineração, Vol 11, Iss 4, Pp 316-325 (2014)
The aim of this work is to fabricate physical models of skulls fractured by 3D printing and customized pre-surgical implant in pure titanium sheets. The early manufacturing of model and implant allows the surgeon to plan surgery and reduce the runt
Externí odkaz:
https://doaj.org/article/f635da3b6d724554bccf9612857d1079
Publikováno v:
Materials Research, Vol 17, Iss 5, Pp 1260-1267 (2014)
An analysis of results, obtained in the development of thermoelectric materials for electricity generation during the last 130 years, shows that they are comparable to those obtained as early as the nineteenth century. One of the main factors respons
Externí odkaz:
https://doaj.org/article/c4457e38e983419bb1c34546368d7a78
Autor:
Fábio Junkes Corrêa, Lírio Schaeffer
Publikováno v:
Tecnologia em Metalurgia, Materiais e Mineração, Vol 10, Iss 3, Pp 215-223 (2013)
In this work punching in cylindrical billets by numerical simulation were performed, using a numerical simulation software by finite element, changing some parameters, according to the different methodologies established. Simulation results are com
Externí odkaz:
https://doaj.org/article/b9e86affa2a24729babf25938d9cc00c
Autor:
Vinícius Martins, Wilson Corrêa Rodrigues, Peterson Luiz Ferrandini, Denis Jardim Villarinho, Gerhard Hans Knörnschild, Lírio Schaeffer
Publikováno v:
Materials Research, Vol 14, Iss 2, Pp 274-279 (2011)
The present work reports a comparative study of cemented carbides of compositions WC-6Co, WC-10Co, WC-20Co, WC-6Co-6Ni and WC-12Ni-6Co. The purpose was to study the powder metallurgical production process of these compositions starting from a commerc
Externí odkaz:
https://doaj.org/article/25e9f5ab5db1420483e496f59cb183e1
Publikováno v:
Materials Research, Vol 13, Iss 3, Pp 293-298 (2010)
Hard metal is a composite material used in several areas of machining, mining and construction. It can be applied directly on oil and gas drilling equipment components. The main objective of this work was to apply a high energy milling technique to p
Externí odkaz:
https://doaj.org/article/64b25b8d2e204c1a92e2a85144e1b870