Zobrazeno 1 - 10
of 14
pro vyhledávání: '"J. B. Baldo"'
Autor:
J. A. Alves Júnior, J. B. Baldo
Publikováno v:
Cerâmica, Vol 65, Iss 376, Pp 592-598 (2019)
Abstract The introduction of MgO nanoparticles developed in situ in the matrix of high-alumina low cement, ultra-low and no cement refractory castables was made by means of a low viscosity containing aqueous polymeric resin, produced by the Pechini m
Externí odkaz:
https://doaj.org/article/d23c6921b4df4eeaaa181f65cb29dd67
Publikováno v:
Cerâmica, Vol 60, Iss 353, Pp 69-76 (2014)
Neste trabalho são apresentadas algumas propriedades relevantes de argamassas leves para revestimento confeccionadas com; cimento, areia, cal, vermiculita e agregados de borracha de pneus reciclados. Tais argamassas foram comparativamente avaliadas
Externí odkaz:
https://doaj.org/article/d1f7b13924fd42b593535d01aff56687
Autor:
J. B. Baldo, W. N. dos Santos
Publikováno v:
Cerâmica, Vol 48, Iss 307, Pp 172-177 (2002)
Thermal diffusivity is a material physical property important in all problems involving non-steady state heat transfer calculations, being a decisive parameter in the response of materials subjected to thermal shock. In this work it is presented a fu
Externí odkaz:
https://doaj.org/article/f927c7d6d01f4d20b1332ef4ecd56ed8
Publikováno v:
Cerâmica, Vol 48, Iss 305, Pp 34-37 (2002)
A técnica de difração de raios X tem sido amplamente utilizada para a determinação de fases cristalinas em materiais cerâmicos. Em argilas, a grande quantidade de quartzo e seu elevado grau de orientação dificultam a identificação e caracte
Externí odkaz:
https://doaj.org/article/28fa156ddf6645ebac114db2ac294d6e
Publikováno v:
Interceram - International Ceramic Review. 63:40-43
The use of expanded vermiculite in traditional masonry mortar is mainly aimed at improving thermal insulating characteristics. Considering the huge environmental impact caused by discharge from used tires, the incorporation of rubber crumbs from recy
Autor:
Elson Longo, Fernando Vernilli, Sidiney Nascimento Silva, S. M. Justus, José Arana Varela, J. B. Baldo, José Milton Gabriel Lopes
Publikováno v:
Materials and Corrosion. 64:1032-1038
In this work it is presented a methodology applied by Companhia Siderurgica Nacional (CSN, Brazil) in order to assess its blast furnace 3 carbon refractory hearth lining conditions. The aim of the investigation was the gathering of critical data base
Autor:
Sidiney Nascimento Silva, Alex Mazine, José Arana Varela, J. B. Baldo, Fernando Vernilli, Elson Longo, O. R. Marques, S. M. Justus
Publikováno v:
Ironmaking & Steelmaking. 32:459-467
Over recent years, owing to the need to increase productivity, it has been necessary among other things to increase the hot metal temperature in the blast furnace hearth. As a result, refractory lining wear becomes more intense. While publications pr
Autor:
Sidiney Nascimento Silva, José Arana Varela, Elson Longo, Fernando Vernilli, J. B. Baldo, A. Mazine, S. M. Justus
Publikováno v:
Materials and Corrosion. 56:475-480
This paper looked into hot metal corrosion behavior for graphite refractory used in blast furnace hearth, consisting of 50% graphite and 50% anthracite, impregnated with TiO 2 , ZrO 2 carrying solutions. The method used for corrosion was the Finger T
Autor:
Fernando Vernilli, Elson Longo, S. M. Justus, Sidiney Nascimento Silva, Joséd Arana Varela, J. B. Baldo
Publikováno v:
ISIJ International. 45:1871-1877
This paper investigates corrosion behavior in graphite refractory hot metal impregnated with ZrO 2 and CeO 2 carrying solutions used in Blast Furnace hearth, consisting of 50% graphite and 50% anthracite. Corrosions testswere carried out by means of
Autor:
José Arana Varela, Ricardo Magnani Andrade, Elson Longo, S. M. Justus, W.S Resende, J.E Gomes, Edson R. Leite, Carlos A. Paskocimas, Luiz E. B. Soledade, R.M Stoll, J. B. Baldo
Publikováno v:
Scopus-Elsevier
The corrosion resistance of resin bonded alumina/magnesia/graphite refractories containing different kinds of aggregates were investigated when submitted to the action of slags of several CaO/SiO2 ratios. The laboratory testing was performed by means