Zobrazeno 1 - 10
of 13
pro vyhledávání: '"G.O. Fulop"'
Publikováno v:
Journal of Magnetism and Magnetic Materials. 557:169421
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1d3928dc1467719b18b84f51aef8dffe
https://doi.org/10.1016/j.jmmm.2022.169421
https://doi.org/10.1016/j.jmmm.2022.169421
Autor:
G.O. Fulop, Cristina Bormio-Nunes
Publikováno v:
Journal of Magnetism and Magnetic Materials. 539:168394
Early structural damage and resulting failures can be caused by vibration in AC electrical machines. Since the stator is under a magnetic field that varies with time, the stator magnetic material contracts and expands due to the magnetostriction, pro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6308867d2a29b777b9eee33e30b7a9a5
https://doi.org/10.1016/j.jmmm.2021.168394
https://doi.org/10.1016/j.jmmm.2021.168394
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
The magnetostriction of Co-Ga alloys: Co-14Ga, Co-24Ga and Co-33Ga (atomic), is studied at room temperature for the first time. All three alloys are ferromagnetic. Co-14Ga microstructure is biphasic, a mixture of e (hcp) and α (fcc) phases. Co-24Ga
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b6b7aac71a14fdefa728a70f7375583d
https://doi.org/10.1016/j.jmmm.2017.05.043
https://doi.org/10.1016/j.jmmm.2017.05.043
Autor:
G.O. Fulop, Alessandro Dalponte, Frank P. Missell, Eduardo S. Bastos, Cristina Bormio-Nunes, Mateus Botani de Souza Dias
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
In a previous paper, we discussed wireless strain sensors, based upon the $\Delta E$ effect, employing a number of different field-annealed amorphous ribbons as resonators and transducers. In this paper, we present results for a polycrystalline (Fe0.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::744d7c365a101d7f1af5ecc3c0aa5ccf
https://doi.org/10.1109/tmag.2017.2706141
https://doi.org/10.1109/tmag.2017.2706141
Autor:
Hugo Ricardo Zschommler Sandim, Mateus Botani de Souza Dias, G.O. Fulop, Cristina Bormio-Nunes
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
Non-oriented (NO) silicon steel is used in magnetic cores of electrical machines due to its good magnetic and electric properties, such as high electric resistivity, high permeability, low coercive field, and low power losses. However, the noise and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bd8b0273947dd15311101118847a95cd
https://doi.org/10.1016/j.jmmm.2020.167702
https://doi.org/10.1016/j.jmmm.2020.167702
Autor:
Frank P. Missell, M. de Souza Dias, Alessandro Dalponte, G.O. Fulop, Cristina Bormio-Nunes, Eduardo S. Bastos
Publikováno v:
2017 IEEE International Magnetics Conference (INTERMAG).
Amorphous metals have been shown to have magnetomechanical properties which are superior to those of any other magnetic materials.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e575d87d98192ac506acf610d31103bd
https://doi.org/10.1109/intmag.2017.8008059
https://doi.org/10.1109/intmag.2017.8008059
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
Magnetostrictive materials are applied in several types of sensors, actuators, and energy harvesting. In particular, for AC devices, thin materials are desired to reduce eddy current losses. It is well known that the magnetostriction of single crysta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aa179ce1cfe02b2e9a23b435d065beb0
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