Căutare Fascicula IX după Titlu
Afișează articolele 250-269 of 552
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Mathematical Model of the Strip Rolling Made of the Sinterized Metallic Powders
(Universitatea "Dunărea de Jos" din Galați, 2005)The minimum-power method has been used to investigate the final ratio soft-layer thickness to tough-layer thickness in bimetals with porous layer rolling. The velocity fields has been determined and the total deformation ... -
Mathematical Modeling of the Heat Treatment Process Applied to Alloy Al-Zn-Mg-Cu-4.5% Zn, Used in Aeronautics
(Universitatea "Dunărea de Jos" din Galați, 2012)This paper presents mathematical modeling based on the regression analysis method by active experiment of a thermal treatment process applied to an alloy belonging to Al-Zn system, which finds application in aeronautics. Using ... -
Mathematical Modelling of Steel Continuous Casting Hydrodynamics (1)
(Universitatea "Dunărea de Jos" din Galați, 2006)The quality increase of steel continuous casting and a reliability indices of afferent installations imposes the automation systems adoption of machines of continuous casting of steel. In this paper enters original ... -
Measurement and Analysis of Vibrations on a Cold Rolling Mill for Steel Strip
(Universitatea "Dunărea de Jos" din Galați, 2012)In this paper the authors made measurements and registration of vibration by using accelerometers posted on the top backup rolls. This is a new way for predict the damage in the rolling mill equipment and the precision ... -
Measures to Optimize Job Security "Crane machinists who Transport Liquid Steel"
(Universitatea "dunărea de Jos" din Galați, 2013)The starting point in optimizing the prevention of occupational accidents and occupational diseases for a crane machinist for the transport of liquid steel is the risk assessment of the system. Risk assessment involves ... -
Mechanical and Tribological Properties of TiCxOy Thin Films
(Universitatea "Dunărea de Jos" din Galați, 2005)The main purpose of this work consists on the preparation of single layered titanium oxycarbide, TiCxOy, thin films, deposited by d.c. reactive magnetron sputtering. The depositions were carried out from a TiC solid ... -
Mechanical properties and Abrasive Wear Behavior of Fluidized-bed Carburized Sintered Iron Alloys
(Universitatea "Dunărea de Jos" din Galați, 2012)This paper is a study of the influence of fluidized bed carburizing of sintered steels on the mechanical properties and the abrasive wear behavior for two different types of powder. Carburizing was carried out at a ... -
Mechanical Resistance as a Function of Local Properties
(Universitatea "Dunărea de Jos" din Galați, 2007)The present study makes an estimation of an automotive engine piston mechanical properties and fatigue life based on some characteristics of metallurgical microstructure. Because it is intended to assess the properties ... -
Mechanical Resistance on Cold Welding Achievement Between Cogged Sufaces
(Universitatea "Dunărea de Jos" din Galaţi, 2008)Cold welding on cogged surfaces is a technology developed by researchers from Robotics and Welding Department, Dunarea de Jos University of Galati. Easily deformable samples, having plane surfaces, are pressed on cogged ... -
Mechano-Erosion: A Novel Test Methodology to Accelerate Erosion in Rolling Contact Fatigue Experiments
(Universitatea "Dunărea de Jos" din Galați, 2008)Rolling contact fatigue testing of rolling elements with low saturation temperature lubricants result, in several difficulties. Mainly, uncontrolled phase changes due to flow dynamics often cause difficulties in assessing ... -
Melting-Casting Plant Using Vibrating of Melts in Order to Obtain Composite with Tehnological Utility
(Universitatea "Dunărea de Jos" din Galați, 2010)This paper presents the obtaining of composites materials with technological utility through vibration technology. In order to obtain these composites, and plant was designed and manufactured. In order to show the ... -
Mercury Determination from Incidentally Polluted Waters by Collecting Gravimetry in Organic Stage Method
(Universitatea "Dunărea de Jos" din Galați, 2006)Determination of mercury in incidentally polluted waters, presented in CALIST Program, was carried out using tiobis-β-naphthol as a reagent. The method proposed for mercury determination, named “collecting gravimetry in ... -
Metal Heating Furnace with Flue Gas Condensation. A Thermoeconomic Analysis
(Universitatea "Dunărea de Jos" din Galaţi, 2014)The heat treating furnaces are one of the largest energy consumers in the manufacturing sector and therefore many techniques to improve their energy efficiency have been developed. One of them focuses on the recovery of ... -
Metallic matrix Composites with Ceramic Particles Wetting Conditions
(Universitatea "Dunărea de Jos" din Galați, 2013)The paper presents the main aspects regarding the mixtures obtained made up from aluminium melts and different kinds of ceramic particles (silicon carbide and boron carbide). Synthetically discussed are the wetting ... -
Method of Deternining the Main Features of Magnetic Ferromagnetic Materials
(Universitatea "Dunărea de Jos" din Galați, 2012)The purpose of this paper is to present a method for determining the main magnetic features such as magnetic induction B, magnetization M, the coercive magnetic field Hc, permeability μ, using hysteresis cycle chart. The ... -
Methods of Protection of National Architecture Monuments
(Universitatea "Dunărea de Jos" din Galați, 2013)The paper discusses the problem of monuments conservation in terms of technical implementation and based on the importance of conservation of historical content, and it helps to skillfully handle the complicated untypical ... -
Methods to reduce gas emissions onboard ships
(Universitatea "Dunărea de Jos' din Galaţi, 2016)Regarding the latest IMO requirements, the EEDI (Energy Efficiency Design Index) is mandatory to be limited as levels under IMO MEPC requirements. The paper presents some paths to reduce EEDI as are applied onboard a ... -
Microstructural Characteristics of Sintered Powder Metallurgy Alloys
(Universitatea "Dunărea de Jos" din Galaţi, 2014)The purpose of this paper is to study the influence of processing parameters on the microstructural characteristics of sintered powder metallurgy alloys. The specimens were produced from atomised iron powders with different ... -
Microstructural Characterization of the TiMoZrTa Alloy
(Universitatea "Dunărea de Jos" din Galați, 2015)In recent years, different types of titanium alloys have been investigated with the aim of using materials in biomaterials field, and Ti-Mo system alloys are very promising materials. Alloying titanium with biocompatible ... -
Microstructural Evolution of al 1100 Aluminum Subjected to Severe Plastic Deformation
(Universitatea "Dunărea de Jos" din Galaţi, 2012)The goal of this document is to promote a sequence of bulk-deformation processes able to produce ultrafine grain and also nanostructured wires with adequate length to be interesting for processing in metallurgical industry. ...
