Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Itavahn Alves Silva"'
Autor:
Antonio Marlon Barros Silva, Johne Jesus Mol Peixoto, Carlos Antônio da Silva, Itavahn Alves Silva
Publikováno v:
REM: International Engineering Journal, Vol 75, Iss 1, Pp 27-35 (2021)
Abstract Due to the high-quality steel demand, especially for ultra-low Sulfur steel, RH desulfurization has been practiced. Based on this, mathematical and physical modeling have been applied to study steel desulfurization by reagent addition in the
Externí odkaz:
https://doaj.org/article/93347c91b3da48d5b72ab97052fc9c4c
Autor:
Gilberson Mendonça Storck Melo, Carlos Antonio da Silva, Johne Jesus Mol Peixoto, Jose Roberto Oliveira, Caio Vaccari Silva, Itavahn Alves Silva
Publikováno v:
REM: International Engineering Journal, Vol 73, Iss 4, Pp 513-521 (2020)
Abstract Synthetic slag has been added during BOF tapping in order to modify the physicochemical properties of resulting slag with the aim of assessing the influence on inclusion density, composition and size distribution. Viscosities and activities
Externí odkaz:
https://doaj.org/article/a1dab4543b444024b3f7ef72718ba592
Publikováno v:
REM: International Engineering Journal, Vol 73, Iss 3, Pp 353-359 (2020)
Abstract In order to improve steel quality, it is necessary to increase the cleanliness of the liquid steel; that is, to reduce the number and size of the inclusions in the liquid steel, as well as to control their chemical composition. For this purp
Externí odkaz:
https://doaj.org/article/0bca17c23440499aa701e3bd0ce175ed
Publikováno v:
REM: International Engineering Journal, Vol 71, Iss 4, Pp 587-592
Abstract The developed model is an association of thermodynamic calculations for dissolution of alloys, slag formers and the deoxidation reaction in the molten steel with two artificial neural network (ANN) models trained with industrial data, to pre
Externí odkaz:
https://doaj.org/article/2c3b5ff070a448978ddb60882ede7498
Publikováno v:
REM: International Engineering Journal, Vol 71, Iss 2, Pp 261-267
Abstract In the steel industry, lime is used as a desulfurizing agent and fluorspar as flux in the hot metal desulfurization process. However there are environmental concerns regarding the use of fluorspar, even when its harmful effects are not fully
Externí odkaz:
https://doaj.org/article/f90010fc3f38461db20be59b00b064ba