Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Freddy Armando Franco Grijalba"'
Publikováno v:
Biblioteca Digital de Teses e Dissertações da USPUniversidade de São PauloUSP.
Neste trabalho se estuda a aplicação de um método de Ensaio Não Destrutivo, baseado no Ruído Magnético de Barkhausen (RMB), na medição de falhas superficiais em aços. O RMB é gerado por abruptas mudanças na magnetização de materiais quan
Autor:
Leandro Cardoso da Silva, Freddy Armando Franco Grijalba, Auteliano Antunes dos Santos Junior, Gilmar Batalha
Publikováno v:
Procceedings of the 12th Brazilian Congress on Manufacturing Engineering.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f94db69f0a74eeb5131ed4663f17d7fe
https://doi.org/10.26678/abcm.cobef2023.cof23-0120
https://doi.org/10.26678/abcm.cobef2023.cof23-0120
Publikováno v:
Journal of Magnetism and Magnetic Materials. 446:231-238
This paper reports the use of a non-destructive continuous magnetic Barkhausen noise technique to detect applied stress on steel surfaces. The stress profile generated in a sample of 1070 steel subjected to a three-point bending test is analyzed. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::40913cf596458769b3fdad2e073c8db2
https://doi.org/10.1016/j.jmmm.2017.09.036
https://doi.org/10.1016/j.jmmm.2017.09.036
Publikováno v:
Revista dos Trabalhos de Iniciação Científica da UNICAMP.
O objetivo deste trabalho de iniciação científica é identificar como bobinas leitoras com diferentes números de espiras influenciam na resposta do Ruído Magnético de Barkhausen (RMB) a tensões aplicadas em uma amostra de aço ferromagnético
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dd8a5196f37dfe8a148b52dbde0933de
https://doi.org/10.20396/revpibic262018463
https://doi.org/10.20396/revpibic262018463
Publikováno v:
10º Congresso Brasileiro de Engenharia de Fabricação.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::27bb1dfb59fbf41b69b6d9d7d4edaa58
https://doi.org/10.26678/abcm.cobef2019.cof2019-0344
https://doi.org/10.26678/abcm.cobef2019.cof2019-0344
Autor:
Fábio Faria Conde, Freddy Armando Franco Grijalba, J. A. Avila, J. Rodriguez, Haroldo Cavalcanti Pinto
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Scopus
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Universidade de São Paulo (USP)
instacron:USP
Scopus
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Made available in DSpace on 2019-10-06T15:55:23Z (GMT). No. of bitstreams: 0 Previous issue date: 2019-12-01 Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) Laboratório Nacional de Nanotecnologia Petrobras Friction stir weldin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4e34ff871b000175dc342e49b6880f56
Publikováno v:
10º Congresso Brasileiro de Engenharia de Fabricação.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::66f6d1a14091b39a682d12fba22d16b4
https://doi.org/10.26678/abcm.cobef2019.cof2019-0529
https://doi.org/10.26678/abcm.cobef2019.cof2019-0529
Autor:
R.S. Miranda, Paula Fernanda da Silva Farina, S.T. Fonseca, F.M. Fernandes, Freddy Armando Franco Grijalba, Paulo Roberto Mei, A.B. Rezende
Publikováno v:
Wear. :203571
Brazilian heavy-haul railway companies have drawn extensive research in the last years for developing solutions that can make the operation in this area more efficient and safer, such as friction management, the use of new mechanical assemblies, and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c254b2669becf90b558918c136aa7970
https://doi.org/10.1016/j.wear.2020.203571
https://doi.org/10.1016/j.wear.2020.203571
Publikováno v:
The Journal of Strain Analysis for Engineering Design. 51:563-571
According to acoustoelastic theory, ultrasonic wave velocity varies as a function of the state of stress in a body. In ferromagnetic materials, stress alters magnetic domain walls created by cyclic magnetic excitation and affects the amplitude of mag
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b6657c0fc5b47382e461bcbc47af128e
https://doi.org/10.1177/0309324716663815
https://doi.org/10.1177/0309324716663815
Autor:
Freddy Armando Franco Grijalba, R.S. Miranda, A.B. Rezende, Paulo Roberto Mei, Paula Fernanda da Silva Farina, S.T. Fonseca, F.M. Fernandes
Publikováno v:
Wear. :203377
Wear and contact fatigue are the main problems that reduce the durability of the rail and wheels. Pearlitic and bainitic microstructures have been studied over the years to obtain steel with higher mechanical properties, minimizing the wear and fatig
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf05f1e6ca6f0eb818ed32dd610255e6
https://doi.org/10.1016/j.wear.2020.203377
https://doi.org/10.1016/j.wear.2020.203377