Cold Mill
Mostrando 1-12 de 17 artigos, teses e dissertações.
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1. Evaluation of zinc removal and compressive strength of self-reducing pellets composed of Electric Arc Furnace Dust
Abstract The amount of Electric Arc Furnace Dust (EAFD) is continuously increasing in mini-mill steel plants. This dust is considered a hazardous waste because of the presence of elements like lead, cadmium and chromium. Among many different treatment processes for this issue, there is the possibility of returning the EAFD back to the Electric Arc Furnace. T
REM, Int. Eng. J.. Publicado em: 2019-03
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2. Corrosion Behavior of Duplex and Lean Duplex Stainless Steels in Pulp Mill
The cyclic potentiodynamic polarization behavior of duplex stainless steel (DSS) and lean duplexstainless steel (LDSS) was studied in white and green liquors froma pulp processingplant. The corrosion behavior in industrial and also synthetic liquor was compared. The polarization curves of the duplex steels in synthetic white liquor were shifted to lower pote
Mat. Res.. Publicado em: 18/12/2017
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3. Influence of Milling Time During the Mechanical Alloying Process on the Properties of Fe-3Si-0.75P Alloy
AbstractIn this study the soft magnetic alloy Fe-3Si-0.75P (wt%) was obtained by mechanical alloying through powder metallurgy. The processing included the formulation of metallic powder, wet milling for 1 h, 3 h, 6h and 9 h, in an attritor mill using alcohol P.A. as a lubricant. Cold compaction was then performed in a floating die under 600 MPa pressure and
Mat. Res.. Publicado em: 2015-10
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4. Influência de modificações superficiais (cromagem e texturização) no comportamento tribológico de aços para fabricação de cilindros de laminação a frio / Influence of surface modifications (surface texturing and hard chromium coating) on the tribological behavior of cold rolling mills Rolls steels
O presente trabalho analisou o comportamento tribológico de modificações, geralmente utilizado em cilindros para laminação a frio. Iniciou‐se o processo com a produção das amostras a partir de um fragmento de cilindro de laminação que foi cortado, originando amostras de aproximadamente 30 x 30 mm, em que se fez tratamento térmico, retificaç�
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 07/10/2011
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5. Effects of microstructure on the fatigue crack growth behavior of light metals and design considerations
Fatigue crack growth mechanisms of long and small cracks were investigated in cast and wrought aluminum and titanium alloys with various microstructures (as-cast A535, 6061-T61, and mill-and beta annealed Ti-6Al-4V). In addition, friction stir welded and cold spray processed 6061-T61 were also investigated. The effects of microstructure on the fatigue crack
Matéria (Rio de Janeiro). Publicado em: 2010
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6. Simulação em laminador piloto da influência da lubrificação durante o processo de deformação a quente na microestrutura e textura do aço inoxidável ferrítico AISI 430
This work deals simulation and characterization of the influence lubrication during hot deformation in AISI 430 ferritic stainless steel in a Steckel mill process. A characterization of industrial process AISI 430 thermo mechanical cycle simulation from slab reheating until finish annealed coil has been presented. A microstructure and texture characterizatio
Publicado em: 2008
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7. Sistema de otimização e adaptação para a geração de referências em um laminador de tiras a frio. / Optimization and adaptation system for set-up generation in a tandem cold mill.
Este trabalho inicia descrevendo as principais teorias de laminação que têm sido empregadas nos últimos anos na determinação das condições ideais para operação de laminadores a frio. Estas condições ideais estão ligadas a um conjunto de referências dos controladores do sistema, visando a máxima produtividade do laminador e a melhor qualidade d
Publicado em: 2007
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8. Sinterização de aço inoxidável reforçado com partículas nanométricas dispersas de carbeto de nióbio - NbC
Metal powder sintering appears to be promising option to achieve new physical and mechanical properties combining raw material with new processing improvements. It interest over many years and continue to gain wide industrial application. Stainless steel is a widely accepted material because high corrosion resistance. However stainless steels have poor sinte
Publicado em: 2007
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9. Evaluation of ozone efficiency as a sanitizer on minimally processed vegetables. / Avaliação da eficiencia do ozonio como sanitizante em hortaliças folhosas minimamente processadas.
Minimally processed fruits and vegetables are sold already washed, peeled, cut or sliced, sanitized, packaged and cold-storaged. Consumption of this kind of food has increased markedly in the last decades due to people interest for fresh and practice foods. High handling during its processing, increasing of its shelf-life and absence of remarkable technologi
Publicado em: 2007
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10. Predictive model for the cold rolling process through sensitivity factors via neural networks
The mathematical modeling of the rolling process involves several parameters that may lead to non-linear equations of difficult analytical solution. Such is the case of Alexander's model (Alexander 1972), considered one of the most complete in the rolling theory. This model requires excessive computational time, which prevents its application in on-line cont
Journal of the Brazilian Society of Mechanical Sciences and Engineering. Publicado em: 2006-03
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11. Mecano-síntese e caracterização de ligas de Ti-Nb-Sn
Mechanical alloying is a powder processing technique involving cold welding, fracturing mechanisms and rewelding of powder particles in a ball mill. The present work applied this technique with the purpose of processing titanium, niobium and tin alloys, through planetary ball mill and attritor mill. The atomic percentages of these elements were varied in six
Publicado em: 2006
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12. A method to determinate the thickness control parameters in cold rolling process through predictive model via neural networks
The single stand rolling mill governing equation is a non-linear function on several parameters (input thickness, front and back tensions, yield stress and friction coefficient among others). Any alteration in one of them will cause alterations on the rolling load and, consequently, on the outgoing thickness. This paper presents a method to determinate the a
Journal of the Brazilian Society of Mechanical Sciences and Engineering. Publicado em: 2005-12