Căutare Fascicula IX după Titlu
Afișează articolele 270-289 of 552
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Modelling and Numerical Simulation of the Atmospheric Dispersion of Pollutants from an Integrated Iron and Steel Complex-Part I
(Universitatea "Dunărea de Jos" din Galați, 2010)The Iron and Steel Complex processes handle, store and undertake important amounts of raw materials (iron ores, coals, etc.) energy, fuels, waste waters, slags and other different types of wastes. These activities have ... -
Modelling and Prediction in Failure Processes by Mechanical Stresses in Corrosive Environment
(Universitatea "Dunărea de Jos" din Galați, 2007)The complex interaction effect of mechanical stress- mechanical systems and aggressive environment, leads, at dramatic decreasing of their durability and reliability. The analyze of physical-chemical processes such as: ... -
Modelling by Finite Element Analysis Method of Stress State Establishing for an Alloy Steel
(Universitatea "Dunărea de Jos" din Galați, 2008)The paper presents some results about the tension state in samples subject to pure bending fatigue process. Numerical simulation based on finite element method was used. The tension field induced by a vertical deformation ... -
Modelling of the Flow and Deformation Fields at teh Profiles Rolling by Field Lines Method
(Universitatea "Dunărea de Jos" din Galați, 2005)This paper presents a method for modeling of the rolling process based at the deformable continuous medium mechanics, the theory of field lines. The rolling of the profiles and plates may be evaluated as the plane strain ... -
Modelling, Operation and Control of Multiterminal DC Connection for Offshore Wind Farms
(Universitatea "Dunarea de Jos" din Galați, 2009)Renewable energy systems are tending to become more and more present in the energy market and wind power has already proven its potential. Wind parks of thousands of MW are planned to be place into sea faraway from the ... -
Modern approaches in Design Optimization of Parts and the Development Trend of Surface Treatments
(Universitatea 'Dunărea de Jos"din Galați, 2012)This paper summarizes the surface engineering technologies having a substantial contribution to increasing operational performance of the parts as well as current trends in the implementation of surface processing ... -
Modification of Surface Properties by Laser Cladding with Ni-Cr-B-Fe-Al Alloy
(Universitatea "Dunărea de Jos" din Galaţi, 2012)The paper is focused on modification of surfaces properties by laser cladding. To follow the corrosion behavior in different media of laser cladding layers made of nickel based alloy Ni - Cr - B - Fe - Al. It was studied ... -
Monitoring of the Rolling Mill Vibration
(Universitatea "Dunărea de Jos" din Galați, 2009)These researches show the influence of mill vibration on the thickness profile of the stainless steel sheet. The alloy elements like Ni and Cr inside the stainless steel could amplify the rolling mill vibration and ... -
Morphological Aspects and Corrosion Behaviour of Phenol Formaldehyde/Zn Composite Coatings
(Universitatea "Dunărea de Jos" din Galați, 2009)The present work has the purpose of studying morphological aspects and corrosion behaviour of pure zinc and composite coatings having zinc as metal matrix and phenol – formaldehyde resin type Novolac (RESITAL 6358/1) ... -
Multifunctional ZnO-Based thin Films by SOL-GEL Method
(Universitatea "Dunărea de Jos" din Galați, 2007)The paper presents the crystalline structure, morphology, optical transmittance, electrical properties and room temperature photoreduction-ozone oxidation properties of some Al-doped ZnO thin films prepared by sol-gel ... -
Nanocomposite Coatings Obtained by Electro-Co-Deposition of Inert Particles with Cobalt-a Review
(Universitatea "Dunărea de Jos" din Galaţi, 2012)The paper focuses on review investigations of electrodeposition processes of metallic coatings containing dispersed nanosized particles. The nanosized particles, suspended in the electrolyte by agitation and/or use of ... -
Nanostructured SiC-Ni Composite Coatings Obtained by Electrodeposition-a Tribocorrosion Study
(Universitatea "Dunărea de Jos" din Galați, 2005)The tribocorrosion properties of SiC (20nm) - Ni nanostructured coatings have been studied in pin on disc tribocorrosimeter connected with an electrochemical cell. The objectives of our study in principal is to fully ... -
Nanostructured Surface for 38MoCrA109 Steel by Nitriding in Nitrogen Atmosphere and Yag;Nd Pulse Laser Activation
(Universitatea "Dunărea de Jos" din Galați, 2008)YAG:Nd pulse laser is usually used for cutting and welding. The paper is based by experiments using YAG:Nd pulse laser (KVANT 17-CIS made). Technological modules were assembled for laser beam deviation and for relative ... -
Neutralization of Hazardous Waste in Vitreous Mass of Glass
(Universitatea "Dunărea de Jos" din Galaţi, 2012)The paper presents studies concerning the neutralization of hazardous waste containing metal ions by embedding them in vitreous matrix which are chemically stable materials. The main analysed factors are: chemical ... -
New materials and practices for brickwork tip "torpedo" pot
(Universitatea "Dunărea de Jos" din Galaţi, 2016)Nowadays, pots, besides transport operations and liquid metal desulphurization perform functions of dephosphorization. Intense refractory brickwork is required, and in such cases, it is recommended that the performance ... -
A New Vision About the Dimensioning Calculus for the Frame of the Cold Mill Machine
(Universitatea "Dunărea de Jos" din Galați, 2005)Dimensioning calculus for a rolling mill machine frame, using resistance classical methods allows determines the introduction of errors .For to do a better precisely of calculus we propose to use “Finish Elements Method”. ... -
New Welding Techology-The Cold Welding on Cogged Surfaces
(Universitatea "Dunărea de Jos" din Galați, 2007)Welding by cold pressing on cogged surfaces, produces the joint of a component made from an easy deformable metal by pressing on the cogged surface of a harder metal component. Different welds between aluminium (the ... -
Ni-P Coating on Steel Support by Electroless Method
(Universitatea "Dunărea de Jos" din Galați, 2017)The autocatalytic reduction method (electroless method) was applied to obtain the Ni-P layers with different P contents. Nickel sulfate was used as nickel ion source and as reducing agent the sodium hypophosphite. The ... -
Noise Levels in Workplaces of Cold Rolling Mill Plant
(Universitatea "Dunarea de Jos" din Galați, 2015)The excessive noise exposure is one of numerous physical hazards present in the steel industry. Considerable noise develops the steel strips rolling process. In this study are presented and discussed the noise levels at ... -
Numerical Study on Ballistic Phenomena-Part Two
(Universitatea "Dunărea de Jos" din Galați, 2016)The study of ballistic phenomena (interior ballistics, exterior ballistics and terminal ballistics) is an activity that involves the use of complex and at the same time very expensive equipment. Also, another aspect worth ...
