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  • ABM
    Cavitation Erosion Resistance Of Active Screen-low Temperature Plasma Nitrided Aisi 410 Martensitic Stainless Steel

    By Luis Armando Espitia

    AISI 410 martensitic stainless steel specimens were low temperature plasma nitrided at 400°C in a mixture of 75%N2:25%H2, during 20 h. Active screen technic was used to avoid any edge effect The nitri

    Jul 31, 2018

  • ABM
    High Performance Lubricant From Modified Vegetable Oil

    By Salete Martins Alves

    The future lubricants must be more environmentally adapted, with a higher level of performance lower total life cycle, cost than currently used lubricants. Environmental friendly, the biodegradable al

    Jul 31, 2018

  • ABM
    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

  • ABM
    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

  • ABM
    Analysis Of Lubricant Action Of Biodiesel Using Response Surface Methodology

    By Valdicleide Silva Mello

    Nowadays the biodiesel use is obligate in Brazil, in order to reduce the emissions of fuel burn. However, it is important to analyze which percentage of biodiesel is necessary to keep or improve the l

    Jul 31, 2018

  • ABM
    Kinetic Friction Modeling And Standard Uncertainty Measurement Determination For Sliding Bearing On Shaft Apparatus

    By João Luiz do Vale

    In standard wear tests, such as pin on disk (ASTM-G99) or block on ring (ASTM-G77), the apparatus simulates conditions that are often different from a machine element real application. Therefore, for

    Jul 31, 2018

  • ABM
    Tribological Behavior Of Thread Compound For Applications In Oil And Gas Industry

    By Nicolás Ariel Zabala

    During the make-up and break-out of the connections, threaded joints are exposed to intense mechanical and tribological solicitations. The connection performance is influenced by its geometry, materia

    Jul 31, 2018

  • ABM
    Micro-abrasive Wear Behaviour Of An Iron Aluminide Alloy Under Conditions Of Room And Elevated Temperatures

    By Ronaldo Câmara Cozza

    Iron aluminide alloy; Ball-cratering wear testing; Rolling abrasion; Wear volume; Coefficient of friction

    Jul 31, 2018

  • ABM
    The Phenomenon Of Thermo-capillary Migration Effected By Surface Micro-groove

    By Qingwen Dai

    The Marangoni effect is an important phenomenon where a surface tension gradient drives liquid towards high surface tension regions. Temperature gradient, evaporation, disparity of viscosity, and surf

    Jul 31, 2018

  • ABM
    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

  • ABM
    EFEITO DA TEMPERATURA DE RECOZIMENTO NAS PROPRIEDADES MECÂNICAS E NA MICROESTRUTURA DE UM AÇO COM ALTO TEOR DE Mn LAMINADO A FRIO

    By Julio Cezar de Sousa Zorzi

    Aços com teor de Mn entre 15% e 30% apresentam ductilidade excepcionalmente alta para sua elevada resistência mecânica, devido à ocorrência de transformação de fases (efeito TRIP) e/ou à formação de m

    Jul 30, 2018

  • ABM
    Processing Lines Serving High-end Steel Production For Automotive Products

    By Francois Mignard

    With a limited global steel production growth, automotive application market shows interesting volumes and trends especially in emerging countries. The recent period has again enabled Siemens VAI to c

    Jul 30, 2018

  • ABM
    Recuperação De Elementos De Liga De Resíduos Siderúrgicos Utilizando Pelotas Autorredutoras

    By Mário César Mantovani

    Um dos principais problemas enfrentados pelas aciarias é o descarte dos resíduos gerados durante a produção do aço. Além de se pagar pelo descarte em aterros monitorados, ocorre também a perda de elem

    Jul 30, 2018

  • ABM
    Dynaphase: Online Calculation Of Thermodynamic Properties During Continuous Casting

    By Susanne Hahn

    The Siemens VAI software model DynaPhase calculates thermodynamic properties depending on the chemical analysis of steel. It can be used online together with Siemens VAI’s secondary cooling model SIME

    Jul 30, 2018

  • ABM
    Desenvolvimento De Aço Galvanizado A Quente (Gi) Com Pós-tratamento Para Aumento De Lubricidade

    By Juliana Porto Guimarães

    A crescente demanda por aços galvanizados com alta lubricidade tem impulsionado o desenvolvimento de pós-tratamentos que, aplicados sobre a superfície dos revestimentos, reduzem o atrito entre o ferra

    Jul 30, 2018

  • ABM
    Highlights Of Flat Product Caster References Starting From New Implementations Up To Modernizations

    By Oliver Schulz

    This paper presents the latest references of the Siemens VAI slab casting technology. Following the connect & cast philosophy Siemens VAI has developed technological packages suitable for installation

    Jul 30, 2018

  • ABM
    Análise De Filmes De Escória De Fluxantes Para Aços Baixo Carbono

    By Cláudio Antônio Goulart Valadares

    O fluxante para aços baixo carbono, aplicado no lingotamento contínuo de placas, apresenta como características a temperatura de fusão entre 1.030°C e 1.070°C e a tendência a cristalização suprimida.

    Jul 30, 2018

  • ABM
    Innovative Measuring Technologies In Cold Rolling Mills & Processing Lines For Basic And Future Products

    By Jörg Busch

    The essential pre-requisite for attaining the high quality of product required from high-speed continuous production processes is the use of new measurement and control technologies. High availability

    Jul 30, 2018

  • ABM
    Ultra-low Phosphorus Steel Grade Production In One Batch Bof Bottom Blowing Process

    By Henrique Silva Furtado

    Concerning production of low phosphorus steel critical grades at ArcelorMittal Tubarão site, bottom blowing system plays a very important role. For those systems with independently controlled tuyeres,

    Jul 30, 2018

  • ABM
    Aumento Da Taxa De Resfriamento Pós Bobinamento De Bobina Laminada A Quente Para Os Fluxos De Laminação A Frio, Recozimento E Zincagem Na Csn

    By Leiner Novaes Arêdes

    Após o bobinamento com temperatura controlada, as bobinas são resfriadas até um valor próximo da temperatura ambiente para o processo de decapagem. Há uma bibliografia farta no que diz respeito à temp

    Jul 30, 2018