Zobrazeno 1 - 10
of 122
pro vyhledávání: '"Marcelo Breda Mourão"'
Autor:
Alan Matias Avelar, Fábio de Camargo, Vanessa Sanches Pereira da Silva, Claudia Giovedi, Alfredo Abe, Marcelo Breda Mourão
Publikováno v:
Nuclear Engineering and Technology, Vol 55, Iss 1, Pp 156-168 (2023)
This study investigates the high temperature oxidation behaviour of a Ni–20Cr-1.2Si (wt.%) alloy in steam from 1200 °C to 1350 °C by Thermogravimetric Analysis (TGA), Scanning Electron Microscopy (SEM), Energy Dispersive X-ray Spectroscopy (EDS)
Externí odkaz:
https://doaj.org/article/9f06a0ad8bfd49a78529af1473dc24e4
Publikováno v:
Materials Research, Vol 23, Iss 6 (2020)
Oxidation of AISI 304L and 348 stainless steels was investigated in water at 1000 – 1350 °C by TGA, SEM, EDS, and Raman spectroscopy. Linear-Parabolic kinetics and multilayer oxide scales with voids were found for both alloys. Based on the experim
Externí odkaz:
https://doaj.org/article/9359d3a5e5b84feebeb0955b4520d260
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
Publikováno v:
Tecnologia em Metalurgia, Materiais e Mineração, Vol 11, Iss 4, Pp 304-310 (2014)
This work aims to investigate the phosphorus removal by vacuum from metallurgical grade silicon (MGSi) (98.5% to 99% Si). Melting experiments were carried out in a vacuum induction furnace, varying parameters such as temperature, time and relation
Externí odkaz:
https://doaj.org/article/0fca4a54dcb041a390cf08bb43acac2d
Publikováno v:
Materials Research, Vol 13, Iss 2, Pp 191-195 (2010)
Iron-carbon nuggets can be obtained by high temperature reduction of iron ore by carbonaceous material when both are agglomerated together as a carbon composite pellet. During this process, the stable oxides contained in the materials will form a sla
Externí odkaz:
https://doaj.org/article/8bf376b7cec4490eb1f3d287b72288ff
Publikováno v:
Biblioteca Digital de Teses e Dissertações da USP
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
O processo de dissolução da alumina para produção de alumínio primário em condições industriais em cubas de Tecnologia VSS (Vertical Stud Soderberg) com alimentação lateral em batelada é bastante complexo, pois sofre interferência de muit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1b64b78ef5017fbd420149ab7f7db9c1
https://doi.org/10.11606/d.3.2019.tde-20032019-101813
https://doi.org/10.11606/d.3.2019.tde-20032019-101813
Publikováno v:
Materials Research v.23 n.6 2020
Materials research (São Carlos. Online)
Universidade Federal de São Carlos (UFSCAR)
instacron:ABM ABC ABPOL
Materials Research, Vol 23, Iss 6 (2020)
Materials Research, Volume: 23, Issue: 6, Article number: e20200373, Published: 30 NOV 2020
Materials research (São Carlos. Online)
Universidade Federal de São Carlos (UFSCAR)
instacron:ABM ABC ABPOL
Materials Research, Vol 23, Iss 6 (2020)
Materials Research, Volume: 23, Issue: 6, Article number: e20200373, Published: 30 NOV 2020
Oxidation of AISI 304L and 348 stainless steels was investigated in water at 1000 – 1350 °C by TGA, SEM, EDS, and Raman spectroscopy. Linear-Parabolic kinetics and multilayer oxide scales with voids were found for both alloys. Based on the experim
Autor:
Cyro Takano, E. R. de Castro, J.T. Senise, Luiz Alberto Jermolovicius, Marcelo Breda Mourão, R. B. do Nascimento, E. V. dos S. Pouzada
Publikováno v:
2019 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference (IMOC).
This work deals with the evaluation of two microwave cavity geometric shapes used experimentally to obtain reaction rates of iron ore pellets in a carbothermic reduction process. Parallepipedic and hexahedral cavities were used. Computer simulation s
Autor:
João Batista Ferreira Neto, Marcelo Breda Mourão, Fabiano Ferreira Chotoli, Antonio Malynowskyj
Publikováno v:
Tecnologia em Metalurgia Materiais e Mineração. 15:286-295
Publikováno v:
Canadian Metallurgical Quarterly. 56:190-198
The partial substitution of coal by wood charcoal or other types of biomass for the production of metallurgical coke is catching the attention of the steelmaking industry worldwide because it generates less CO2 in the industrial processes. The object