Bar Rolling
Mostrando 1-7 de 7 artigos, teses e dissertações.
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1. Operational and energy performance of the tractor-scarifier assembly: Tires, ballasting and soil cover
RESUMO A altura das garras do pneu, o lastro do trator e a cobertura do solo podem influenciar o desempenho operacional e energético do conjunto trator-escarificador. O objetivo deste estudo foi analisar o desempenho operacional e energético do conjunto trator-escarificador, em função da altura das garras do pneu, do lastro e da superfície de rolamento.
Rev. bras. eng. agríc. ambient.. Publicado em: 09/09/2019
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2. Study of aluminum nitride precipitation in Fe- 3%Si steel
For good performance of electrical steels it is necessary a high magnetic induction and a low power loss when submitted to cyclic magnetization. A fine dispersion of precipitates is a key requirement in the manufacturing process of Fe- 3%Si grain oriented electrical steel. In the production of high permeability grain oriented steel precipitate particles of c
Mat. Res.. Publicado em: 11/06/2013
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3. Análise de falhas em tubos sem costura de aço St52 utilizados em motores diesel / Failure analysis in seamless pipes of St52 steel used in Diesel Engines
The carbon steel with high manganese in accordance with Din 1.0580 (St52) seamless 8 x 3 mm diameter has been used into fuel injection system of the electronic diesel king with pressure up to 1300 bar. This tube presented short life on durability tests due to inner cracks created during rolling process. The tube produced in Brazil and used nowadays in was co
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 26/07/2011
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4. Effect of processing parameters on scale formation during hot steel strip rolling
The influence of processing parameters (slab thickness, water flow of interstand cooling and oil flow in roll gap lubrication system) on the thickness and composition of the tertiary scale formed during hot strip rolling, was studied in a low carbon steel in factory. The scale formed on the rolled surface was characterized by scanning electron microscopy and
Materials Research. Publicado em: 2010-03
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5. Grain size evolution of a vanadium microalloyed steel during bar rolling mill - 38MnSiV5. / Estudo da evolução do tamanho de grão na laminação a quente de barras de aço médio carbono microligado ao vanádio - 38MnSiV5.
Microalloyed steels are used as forging stock for many automotive parts such as crankshafts and connecting rods. Using mathematical equations describing the recrystallization kinetics and grain growth, a spreadsheet has been developed to simulate the austenitic grain size evolution during bar rolling mill schedules as a function of temperature, strain rate a
Publicado em: 2008
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6. Surface processing to improve the fatigue resistance of advanced bar steels for automotive applications
With the development of new steels and processing techniques, there have been corresponding advances in the fatigue performance of automotive components. These advances have led to increased component life and smaller power transfer systems. New processing approaches to enhance the fatigue performance of steels are reviewed with an emphasis on carburizing an
Materials Research. Publicado em: 2005-12
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7. Liga Ti-35Nb-5Ta-7Zr : microestrutura e propriedades mecanicas e de corrosão
The pure titanium and the titanium alIoys present interesting characteristics like high relation strength/weight, good corrosion resistance, and very good biocompatibility, that are very useful for implant applications. The pure titanium applieation is limited to applieations involving low mechanical solicitations. The purpose of this work is the fabrieation
Publicado em: 2004