Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Otavio L. Rocha"'
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:
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:
Fabrício A. Souza, Marlo O. Costa, Igor A. Magno, Jacson M. Nascimento, Adrina P. Silva, Thiago S. Costa, Otávio L. Rocha
Publikováno v:
Journal of Materials Research and Technology, Vol 8, Iss 5, Pp 5046-5052 (2019)
In this investigation, in order to evaluate the influence of microstructures on the microhardness of an aluminum-based multicomponent alloy, samples of the horizontally solidified Al-7 wt.%Si-3 wt.%Cu alloy were subjected to the T6 heat treatment. Mi
Externí odkaz:
https://doaj.org/article/a8a590f7a8bb4a6ab62b61234423271c
Autor:
ANGELA J. VASCONCELOS, RAFAEL H. KIKUCHI, ANDRÉ S. BARROS, THIAGO A. COSTA, MARCELINO DIAS, ANTONIO L. MOREIRA, ADRINA P. SILVA, OTÁVIO L. ROCHA
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 88, Iss 2, Pp 1099-1111 (2016)
An experimental study has been carried out to evaluate the microstructural and microhardness evolution on the directionally solidified binary Al-Cu and multicomponent Al-Cu-Si alloys and the influence of Si alloying. For this purpose specimens of Al-
Externí odkaz:
https://doaj.org/article/dc672b408ee74e6dbf4c1bfdb84796a2
Autor:
Cássio A. P. Silva, Layo R. M. Leal, Emanuelle C. Guimarães, Paulo M. Júnior, Antonio L. Moreira, Otávio L. Rocha, Adrina P. Silva
Publikováno v:
Advances in Materials Science and Engineering, Vol 2018 (2018)
This study aims to correlate the influence of thermal and microstructural parameters such as growth rate and cooling rate (VL and TR) and secondary dendrite spacing (λ2), respectively, in the machining cutting temperature and tool wear on the neckin
Externí odkaz:
https://doaj.org/article/082bea3825c145c0ab60ecfd15159635
Autor:
Diego B. Carvalho, Antonio L. Moreira, Daniel J. Moutinho, José M. Filho, Otávio L. Rocha, José E. Spinelli
Publikováno v:
Materials Research, Vol 17, Iss 2, Pp 498-510 (2014)
Experiments were conducted to investigate the influence of thermal parameters on the columnar to equiaxed transition during the horizontal unsteady-state directional solidification of Al-Si alloys. The parameters analyzed include the heat transfer co
Externí odkaz:
https://doaj.org/article/0e4b684179234317a1451c1872355584