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Autor:
Nayara F. Gomes, Manoel Leão L. Júnior, Antônio José C. Filho, Lourivaldo S. Santos, Luís Cláudio N. Silva, Edson Rodrigues-Filho
Publikováno v:
Records of Natural Products. :195-200
Autor:
Têyla C. Silva, André S. Barros, José C. Filho, Antonio L. Moreira, Carolina R. Barbosa, Otavio L. Rocha
Publikováno v:
International Journal of Metalcasting.
Autor:
Marta Razum, Sara Marijan, José C. Filho, Acácio A. Andrade, Anielle C. Almeida Silva, Noelio O. Dantas, Jana Pisk, Ana Šantić, Luka Pavić
Publikováno v:
Coatings; Volume 13; Issue 1; Pages: 185
Coatings
Coatings
In this study, the nature of the electrical transport and structural changes resulting from the systematic substitution of Al2O3 with K2O in 40P2O5-(25−x)Al2O3-35Na2O-xK2O, where x = 5.0, 7.5, 10.0, 12.5, and 15.0 mol% (PANxK), is investigated. The
Autor:
Antonio Luciano Seabra Moreira, José C. Filho, Teyla C. Silva, Otávio L. Rocha, Carolina R. Barbosa, André dos Santos Barros
Publikováno v:
International Journal of Metalcasting. 16:1191-1205
Potentiodynamic polarization, electrochemical impedance spectroscopy (EIS), and microstructure characterization were performed on directionally solidified samples of the Al–3Cu–2Si alloy in order to study their corrosion behavior in a 0.2 M HCl e
Autor:
Hugo M. Azevedo, Otávio L. Rocha, José C. Filho, Carolina R. Barbosa, Antonio Luciano Seabra Moreira, Teyla C. Silva
Publikováno v:
International Journal of Metalcasting. 16:191-203
Electrochemical corrosion tests were performed on samples of horizontally solidified Al7Si0.3Mg (wt%) alloy. The investigated solidification and corrosion parameters were growth and cooling rates (VL and TR, respectively), secondary dendritic spacing
Autor:
Arielly Assunção Pereira, Carolina R. Barbosa, Otávio L. Rocha, Fernando S. Rocha, José C. Filho, Hugo M. Azevedo, Gabriel H. Machado
Publikováno v:
Metals and Materials International. 26:370-383
In this work, solidification and T6-heat treatment experiments were performed with the Al7Si0.3Mg alloy in order to investigate the effect of processes parameters on the microstructure and microhardness (HV). A directional solidification device was u
Autor:
Helder Rodrigues, Hugo Azevedo, Thiago Dillon, Gabriel Mendes, Evaldo Hoffmann, Bruno Feio, Jose C. Filho, Otavio L. Rocha
Publikováno v:
Materials Research, Vol 27 (2024)
In this work, the effects of thermal solidification and microstructural parameters, such as solidification rate (VL), cooling rate (TR), and secondary dendritic spacing (λ2), were studied on the electrochemical parameters of corrosion potential (ECO
Externí odkaz:
https://doaj.org/article/1ee2f128bbf541cb943a6591fda0d97a
Autor:
Adrina P. Silva, Marcelino Dias, José C. Filho, Otávio L. Rocha, Antonio Luciano Seabra Moreira, D. Soares, André dos Santos Barros
Publikováno v:
International Journal of Electrochemical Science. :413-428
Autor:
Ayana Cristina S. de Oliveira, Wilman Eduardo Italiano Ferreira, Auro Atsushi Tanaka, José C. Filho, Regina Célia de Sousa
Publikováno v:
Journal of Materials Science. 41:2381-2386
This work investigates the influence of solution temperature on grain growth and degree of sensitization of AISI 321 steel. Samples were solution treated at temperatures between 800 and 1,200°C for 80 min and sensitized at 600°C for 105 h. Optical