Zobrazeno 1 - 10 of 13 pro vyhledávání: '"Ricardo Martins de Martins"'
1
Akademický článek
SIMULAÇÃO DE UM MOTOR ELÉTRICO EM QUE O ESTATOR FOI SUBSTITUIDO POR MATERIAIS PRODUZIDOS COM PROCESSO DE METALURGIA DO PÓ
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
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2
Akademický článek
Desenvolvimento e caracterização de compósitos poliméricos à base de poli(ácido lático) e fibras naturais
Autor: Alessandra Luiza de Lemos, Ricardo Martins de Martins
Publikováno v: Polímeros, Vol 24, Iss 2, Pp 190-197 (2014)
O presente trabalho busca avaliar o comportamento de compósitos que contêm em sua formulação um biopolímero originário de indústrias da agricultura sustentável. O biopolímero selecionado, poli(ácido lático), (PLA) e um polímero termoplás
Externí odkaz: https://doaj.org/article/ff1d346d7c474265a23544b667a79c0f
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3
Influência dos defeitos de solidificação na resistência à corrosão do Zamac 5 obtido por injeção sob pressão
Autor: Sandra Raquel Kunst, Cláudia Trindade Oliveira, Ricardo Martins de Martins, Felipe Dalla Vecchia, Fernando Dal Pont Morisso, Ana Caroline Viero Bianchin, Luciane Thaís Fuhr, Carlos Leonardo Pandolfo Carone, Ângela Beatrice Dewes Moura
Publikováno v: Matéria (Rio de Janeiro) v.25 n.2 2020
Matéria (Rio de Janeiro. Online)
instacron:RLAM
Metais sanitarios sao objetos que, segundo as exigencias vigentes do mercado consumidor, devem ser, ao mesmo tempo, resistentes a corrosao e bonitos, com aspecto espelhado brilhante. Estes sao geralmente produzidos em latao fundido devido as suas car
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b5f9b225e18103e4f3a28534cd0cc587
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1517-70762020000200323
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5
Influence of resin type and content on electrical and magnetic properties of soft magnetic composites (SMCs)
Autor: Lirio Schaeffer, M.M. Dias, Ricardo Martins de Martins, Leandro Pelegrini, Juliano Soares Barboza, Halston José Mozetic
Publikováno v: Powder Technology. 237:213-220
The magnetic cores of rotating electrical machines, such as electric motors and generators, are generally made using laminated steel sheets. However, in certain types of special electrical machines, such as servomotors that operate at high frequencie
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::39f8146efc4a5fffa0cb4d302af6ed6b
https://doi.org/10.1016/j.powtec.2013.01.006
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6
Estudo de alto-falantes a partir de materiais magnéticos macios sinterizados
Autor: Patrice Monteiro de Aquim, Moisés de Mattos Dias, Alex Rodrigues Soares, Sérgio Deitos Bittencourt, Ricardo Martins de Martins, Lirio Schaeffer, Eduardo Costa Braga, José Lesina Cézar
Publikováno v: Estudos Tecnológicos em Engenharia. 11
This work has the purpose of studying loudspeakers in which the cores usually constructed from cast iron or rolled metal are replaced with parts of alloy obtained from the Powder Metallurgy process. The study comprises the obtaining of hysteresis cur
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b5fd718d7d3c051908ca9b0d830788f9
https://doi.org/10.4013/ete.2015.112.05
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7
Desenvolvimento de ímãs quatro polos para sensor de velocidade de motocicletas
Autor: Patrice Monteiro de Aquim, Lirio Schaeffer, Sérgio Deitos Bittencourt, Moisés de Mattos Dias, Philippe Pauletti, José Lesina Cézar, Ricardo Martins de Martins, José Carlos Krause de Verney
Publikováno v: Estudos Tecnológicos em Engenharia. 11
The aim of this work was the development of magnets in a ring form, four poles, for speed sensor of motorcycles, from barium and strontium ferrites. The model of the magnets developed was based on magnets already manufactured for this purpose. Thus,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1da5f18a6c5764eb616ad26e36ef8370
https://doi.org/10.4013/ete.2015.111.03
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8
Interaction of (Hydroxypropylmethyl)cellulose with Anionic Surfactants
Autor: Dimitrios Samios, Ricardo Martins de Martins, Cristiane Miotto Becker, Clara Ismeria Damiani Bica
Publikováno v: Macromolecular Symposia. :287-296
The aggregation process between (hydroxypropylmethyl)cellulose (HPMC 0.20% m/m) and three anionic surfactants namely sodium cholate (CS), sodium deoxycholate (DC) and sodium dodecylsulphate (SDS), in aqueous dilute solutions, was investigated by fluo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f78d53059f74382046c2ec4ad45ca386
https://doi.org/10.1002/masy.200651339
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9
Interaction of (hydroxypropyl) cellulose with anionic surfactants in dilute regime
Autor: Dimitrios Samios, Marcelo Christoff, Clara Ismeria Damiani Bica, Ricardo Martins de Martins, Cristiane Miotto Becker, Carolina A. da Silva
Publikováno v: Colloid and Polymer Science. 284:1353-1361
(Hydroxypropyl)cellulose (HPC) dilute aqueous solutions in the presence of sodium cholate (CS), sodium deoxycholate (DC), and sodium dodecylsulphate (SDS) were investigated. The hydrophobicity parameter (I1/I3) from fluorescence has shown a critical
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4f22eefb0436150ddddbbd6784d36799
https://doi.org/10.1007/s00396-006-1497-4
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10
Anionic surfactant aggregation with (hydroxypropyl)cellulose in the presence of added salt
Autor: Dimitrios Samios, Ricardo Martins de Martins, Carolina A. da Silva, Clara Ismeria Damiani Bica, Cristiane Miotto Becker, Marcelo Christoff
Publikováno v: Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS
Journal of the Brazilian Chemical Society, Volume: 17, Issue: 5, Pages: 944-953, Published: OCT 2006
Journal of the Brazilian Chemical Society v.17 n.5 2006
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
The aggregation of different anionic surfactants in dilute aqueous solutions of (hydroxypropyl)cellulose (HPC) under moderate ionic strength (NaCl 0.1 mol L-1) was studied. The surfactants were sodium cholate (CS), sodium deoxycholate (DC) and sodium
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cf675880bfec1db3d56e25557fc22987
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