Thermal analysis via horizontal solidification of Al3Cu2Si (mass%) alloy: thermal and microstructural parameters, intermetallic compounds and microhardness

Autor: Hugo M. Azevedo, Otávio L. Rocha, Marlo O. Costa, Carolina R. Barbosa, A Moreira, Fernando S. Rocha, Gabriel H. Machado

Publikováno v: Journal of Thermal Analysis and Calorimetry. 146:2059-2071

A transient horizontal solidification experiment was performed to investigate the role of the thermal parameters, such as growth and cooling rates (GR and CR, respectively), on the microstructure and microhardness (HV) of the Al2Si3Cu (mass%) alloy.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0199a3998c353dd22b4aad05b9682dff
https://doi.org/10.1007/s10973-020-10419-1

Effect of solidification process parameters on dry sliding wear behavior of AlNiBi alloy

Autor: Gabriel H. Machado, Otávio L. Rocha, Fernando S. Rocha, Carolina R. Barbosa, Hugo M. Azevedo, Tamires Isabela Mesquita Botelho, Thiago A. Costa

Publikováno v: Transactions of Nonferrous Metals Society of China. 30:582-594

As-cast samples of the Al–3wt.%Ni–1wt.%Bi alloy resulting from the horizontal directional solidification process were subjected to the micro-abrasive wear test. The effects of the solidification thermal and microstructural parameters, such as the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0e0d5afa2847bb38fd8b51b7f52a86f5
https://doi.org/10.1016/s1003-6326(20)65237-2

Notas sobre Pseudevoplitus (Heteroptera, Pentatomidae) e descrição de duas espécies novas Notes on Pseudevoplitus (Heteroptera, Pentatomidae) and description of two new species

Autor: Jocélia Grazia, Luiz A. Campos, Caroline Greve, Fernando S. Rocha

Publikováno v: Iheringia: Série Zoologia, Vol 92, Iss 1, Pp 53-61 (2002)

Two new species of the Neotropical genus Pseudevoplitus Ruckes,1958 are described, P. amazonicus Grazia & Greve, sp. nov. and P. roraimensis Grazia & Greve, sp. nov. both from the Brazilian Amazonia, with emphasis on genital characters. Additions to

Externí odkaz: https://doaj.org/article/e7e4639f620946ceb14dd0f1fda51cd6

Relationship Between Aluminum-Rich/Intermetallic Phases and Microhardness of a Horizontally Solidified AlSiMgFe Alloy

Autor: Carolina R. Barbosa, José Otávio Monteiro de Lima, Hugo M. Azevedo, Gabriel H. Machado, André dos Santos Barros, Otávio L. Rocha, Fernando S. Rocha

Publikováno v: Materials Research, Vol 22, Iss 1 (2018)
Materials Research v.22 n.1 2019
Materials research (São Carlos. Online)
Universidade Federal de São Carlos (UFSCAR)
instacron:ABM ABC ABPOL

An experimental study with an A356-AlSiMgFe alloy was developed to evaluate the microhardness performance in the microstructure resulting of an unsteady-state horizontal solidification process. The Al-7wt%Si-0.3wt%Mg-0.15wt%Fe alloy was elaborated an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::37129a8f18736215860407c4989fa4b7
https://doi.org/10.1590/1980-5373-mr-2018-0365

Caracterização hidráulica de três modelos do miniaspersor Mamkad autocompensante Hydraulic characterization of three models of the compensating mini-sprinkler Mankad

Autor: Felizardo A. Rocha, Júlio H.F. César, Carlos R. de Mello, Fernando S. Rocha, Geraldo M. Pereira

Publikováno v: Revista Brasileira de Engenharia Agrícola e Ambiental-Agriambi, Vol 5, Iss 1, Pp 6-9 (2001)

Este trabalho foi desenvolvido com o objetivo de se avaliar as características hidráulicas de três modelos do miniaspersor Mamkad autocompensante, modelo Dan Sprinklers. Avaliou-se a variação decorrente do processo de fabricação, a uniformidad

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doajarticles::45abd6f40dc77c5e876d8eb3a392562e
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662001000100002