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Development And Application Of Heavy-gauge X80 Ssaw Pipe With Optimized Htp Processing
By Bi Zongyue, ZhangYongqing, NiuTao, Guo Aimin
Over the past twenty years, significant advances have been made in the field of microalloying steels and associated applications, among which one of the most successful application cases is developmen
Oct 1, 2019
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Aumento Da Produtividade Da Linha De Decapagem E Laminação A Frio Da Arcelormittal Vega
By Danilo Gonçalves de Oliveira
A linha de Decapagem e Laminação a Frio da ArcelorMIttal Vega vem recebendo constantes investimentos para aumento da sua capacidade produtiva sendo o mais recente a instalação do quarto tanque de deca
Aug 16, 2017
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The Influence Of Topography On The Specific Dissipated Friction Power In Ultra-mild Sliding Wear: Experiment And Simulation
By Daniel Stickel
Current political, economic and ecological guidelines demand the increase of power densities of nearly all machinery parts today. In order to further lower the wear rate towards the ultra-mild sliding
Jul 31, 2018
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Redução Do Retorno Parcial Em Panelas De Aquecedor: Setec 2013
By Carlos Alexandre Gonçalves de Moura
O trabalho se baseia na redução do retorno parcial de aço por temperatura na Aciaria LD com foco em análise estatísticas do processo, melhorias no projeto alinhado ao plano de manutenção dos component
Jul 30, 2018
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Aumento Da Eficiência Energética Com A Modernização De Ventiladores De Processo
By Cláudio S. S. Pinto
Em face do agravamento da situação da energia elétrica no Brasil, com disponibilidade cada vez mais restrita e custo cada vez maior, torna-se urgente reduzir o seu consumo onde possível. Ventiladores
Sep 25, 2017
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Micro-abrasive Wear Resistance Of Low-temperature Plasma Carburized Martensitic Stainless Steel
By Cristiano José Scheuer
The effect of low-temperature plasma carburizing treatment on the micro-abrasive wear resistance of AISI 420 steel was investigated by mean of a CSM Calowear ball-cratering equipment. Carburized sampl
Aug 8, 2018
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Under Pressure Tensile Epoxy Composites With High Amount Of Banana Fiber
By Foluke Salgado de Assis
Natural fibers are attracting the interest of engineering sectors owing to specific advantages such as lightweight and lower cost as well as for their inherent condition of being renewable, biodegrada
Aug 16, 2017
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Modelling Roll Stack Deformation For Flat Rolling Mills Via Finite Element Method: A Critical Review Of Some Simplifying Assumptions
By Pierre Montmitonnet, Yukio Shigaki, Jonatas Mezêncio Silva
A precise roll stack deformation model of a flat rolling mill is crucial for strip profile assessment as it depends strongly on the roll’s deformation. The need for more and more advanced products wit
Oct 1, 2019
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A Ultrahigh Strength Medium Mn Steel Manufactured By Warm Rolling Process*
By HaiWen Luo, Bin Hu
A ultra-high strength medium Mn steel with good ductility was designed and manufactured via the combination of warm rolling and V alloying, which produced not only the extensive precipitation of fine
Oct 1, 2019
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Zro2 Addition In Mould Powders: Effect On Horizontal Heat Transfer Rate And Sen Erosion Rate
By Márcia Maria da Silva Monteiro Pereira
Durante o lingotamento contínuo de aço, partículas de ZrO2 adicionadas na escória de molde facilitam a nucleação heterogênea de cristais devido à sua limitada solubilidade. A adição de ZrO2 promove a
Aug 16, 2017
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Influence Of Polymer Shear Thinning On Friction In Hydrodynamic Contacts
By Nigel Marx
In order to understand (and ultimately to predict) the friction reduction resulting from the use of polymer solutions, the rheological properties of model polymer solutions have been measured over a w
Jul 31, 2018
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Tensile Strength Tests In Polyester Composites With High Incorporation Of Malva Fibers
By Carolina Gomes Dias Ribeiro
The modern composite materials, especially those reinforced with synthetic fibers such as glass and carbon, have been used since last century to attend the demands required by most technological field
Aug 16, 2017
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A Discussion On The Application Of Bi-dimensional Shape Factors Of Particles Causing Severe Wear Of Metals
By Giuseppe Pintaude
The use of two-dimensional shape parameters to characterize abrasive particles is a possible approach to express their angularity. Nonetheless, in sliding abrasion, especially in pin abrasion testing,
Jul 31, 2018
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Fe-based Sensitivity Analysis Of Flatness In Hot Heavy Plate Leveling*
By Daniel Wild, Tobias Scheffer, Marvin Laugwitz, Martin Jochum
Leveling is a standard process in the rolling mill to eliminate flatness deviations. The process layout is based on models and the leveling result depends on the accuracy of the material parameters in
Oct 1, 2019
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THERMODYNAMIC EVALUATION OF THE SLAGS OF THE FeO-CaO-SiO2-CrOx-MgO SYSTEM AT 1,873 K
By Nestor Cezar Heck
Aim of the present work is to continue the theoretical evaluation of the slags of the fundamental system CaO-SiO2-CrOx-MgO (Ca-O-Cr-Si-Mg quinary system) at the temperature of 1,873 [K], with the help
Jul 30, 2018
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Influence Of Heating Rate On Microstructure Of Galvannealed Coating During Hot Stamping
By Henrique Lacerda Eleutério, Aldo Henrique de Almeida Barbosa, Vicente Tadeu Lopes Buono
The automotive industry’s interest in galvannealed (GA) boron steel for hot forming processes application has been steadily increasing due to its excellent surface quality, galvanic protection provide
Oct 1, 2019
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Properties Of Cases Treated By Using New Hightemperature Vacuum Carburisation Technology With The Pre-nitriding – Prenitlpc Option
By Piotr Kula
Vacuum carburising with pre-nitriding (PreNitLPC® technology) involves feeding ammonia during the charge heating stage before carburising. The purpose is to restrict the growth of grain in the surface
Aug 16, 2017
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Otimização Do Sistema De Filtração Da Estação De Tratamento De Água De Máquinas De Lingotamento Contínuo Na Arcelormittal Tubarão
By Mayworm Luiz, Mantovanelli Mauro, Merisio Everaldo, Oliveira Edgar Adrian, Vieira Estéfano Aparecido, Kaneda Kazuyuki
Os filtros da estação de tratamento de água do circuito spray da planta de lingotamento contínuo apresentam problemas de desempenho quanto a vazão, gerando perda de produtividade do processo de produç
Oct 1, 2019
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Effect Of Liner Texture On Ring/liner Tribological Performance
By Hugo M. Checo
Friction-reducing textures for lubricated mechanisms have received much attention since the advent of microtexturing techniques. In this work we consider the piston ring/liner contact, numerically sim
Jul 31, 2018
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Hot Ductility Characterization Of Industrially Cast Microalloyed Steels
By Steven George Jansto
The hot ductility behavior of different microalloyed steel chemical compositions was examined simulating the thermal and strain conditions through the straightening or unbending section of the continu
Aug 16, 2017