Scientific papers - Annals of "Dunarea de Jos" University of Galati - Analele științifice ale Universității "Dunărea de Jos" din Galați: Recent submissions
Afișează articolele 501-520 of 1845
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Chargers for Blast Furnaces Double Bell VS. Rotary Chute
(Universitate "Dunărea de Jos" din Galaţi, 2016)The distribution of materials at the mouth of the loading of a furnace is decisive for its operation at optimal efficiency. For this operation using charging devices that can be of several types is useful. The paper ... -
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 ... -
Influence of reduction scheme on hardness cold rolled strip mark steel ST 12
(Universitatea "Dunărea de Jos" din Galaţi, 2016)The paper presents the results of the research on the influence of the evolution hardness scheme rolled steel, for the cold-rolled strip steel St 12. St 12 is intended for the manufacture of cold rolled strip stamping ... -
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 ... -
Research on the Operation of Commercial Vessels with Compressed Air
(Universitatea "Dunărea de Jos" din Galați, 2016)Regarding the reduction of the carbon dioxide emissions in the atmosphere, this paper is going to present a system of propulsion with compressed air used for medium-sized commercial vessels. In the transport domain, ... -
Optimization Techniques for the Neutralization of the Polluted Waters from Metal Plating
(Universitatea "Dunărea de Jos" din Galați, 2016)The problems related to the protection of the environment are regarded especially as a result of the local pollution by the industry and agriculture or by the overcrowded areas, which have led to the disturbance of some ... -
Environmental Risks Assessment by Qualitative and Quantitative Methods
(Universitatea "Dunărea de Jos" din Galați, 2016)The paper presents qualitative and quantitative methods, applicable on environmental risks, and conditions of application. The principles of the two classes of risk assessment methods and the advantages and disadvantages ... -
The Different Practical Application of Niobium Carbide Coatings Elaborated by CVD Process
(Universitatea "Dunărea de Jos" din Galați, 2016)In this paper, the different application of niobium carbide coatings onto hard carbide substrate was investigated using scanning electron microscope (SEM), Xray diffractometer (XRD) and micro-hardness. The paper conducted ... -
Studies and Researches Regarding the Obtaining and Characterization of Composite Nickel Coatings-Ni/Al2O3, Ni/Kaolin Electrochemically Produced
(Universitatea "Dunărea de Jos" din Galați, 2016)This study presents the composite nickel coatings electrochemically obtained using as disperse phases Al2O3 particles and kaolin. There were used Watts electrolytes, with a pH = 4, current density of 4 A/dm2, a concentration ... -
Physical-Mechanical and Technological Characteristics of Ti10Zr Alloy for Dental Applications
(Universitatea "Dunărea de Jos" din Galați, 2016)Progress reported over time in dentistry can be attributed largely to the dynamics of acquiring new materials. A biomaterial is considered ideal in the absence of any biomaterial-tissue interaction, which means a biomaterial ... -
Influence of Some Technological Parametersof Fluidized Bed Carbonitriding on the Surface Hardness of Carbonitrided Parts from Low Allow Steels
(Universitatea "Dunărea de Jos" din Galați, 2016)The paper describes the experimental research of thermos-chemical treatment of carbonitriding performed on samples of different brands of low alloy steels. The technological parameters whose influence on the carbonitrided ... -
The Influence of the Carbon Content on the Depth of the Carbonitrurat Layer in Fluidized Layer for 1C15, 1C25 and 1C45 Steels
(Universitatea "Dunărea de Jos' din Galați, 2016)This paper presents the experimental research of carbonitriding thermochemical processing in fluidized layer performed on some samples of carbon steel with different carbon contents, the fluidized layer being made up of ... -
Tribological Studies Regarding the Crude Rapeseed Oil Press
(Universitatea "Dunărea de Jos" din Galați, 2016)The aim of this paper is to present a tribology test conducted on crude rapeseed oil press. The experiments were carried out with four-ball machine. The oil was tested at speed of 1000 rot/min and loads of 140 N and 200 ... -
The Dynamic Simulation for a Cold Rolling Mill Machine
(Universitatea "Dunărea de Jos" din Galați, 2016)For a cold rolling mill machine that represents a mechanical system, the dynamics problems may be solved by using the differential equations of their movement. We must consider all the connections and couplings for the ... -
Statistical Correlations Between Chemical Composition and Mechanical Properties of A516 Grade 65 Steel
(Universitatea "Dunărea de Jos" din Galați, 2016)In order to respond to required demands associated to certain operation conditions, the steels used in petroleum, petrochemical and chemical processing industries must have significant improved mechanical properties. ... -
Research in industrial trials to Improve Through-Thickness Z35 Properties of Hot Rolled Heavy plates up to 60 MM Thickness for Structural Steels
(Universitatea "Dunărea de Jos" din Galați, 2016)The main purpose of this industrial experimental rolling, done in ArcelorMittal Galati in the Heavy Plate Mill is to check the correlation between mechanical properties and the microstructure of chemical compositions ... -
Industrial Research in Thicker Heavy Plates (70-80 MM) HSLA Steel Micro-Alloyed with Mo-NB-Ti Thermo-Mechanical Control Process in ArcelorMittal Galati
(Universitatea "Dunărea de Jos" din Galați, 2016)Thermomechanical rolling (TMR or TMCP) is a special rolling process resulting in an extremely high-strength, fine-grained substructure which simultaneously offers very good toughness and cold formability. TM products ... -
Influence of the Unconventional Treatment Applied to a Steel on the Corrosion Evolution
(Universitatea "Dunărea de Jos" din Galați, 2016)The study of an alloyed steel with Cr Mo with an important content of aluminum (0.9…1.2%), unconventionally treated in magnetic field, is attractive because of the durability which increases along with the improvement ... -
Electrochemical Corrosion of Stainless Steels in Commercially Available Soft Drinks
(Universitatea "Dunărea de Jos" din Galați, 2016)In recent years, there has been a developing trend towards the use of advanced materials in the dental replacement industry. Corrosion mechanisms of 316L Stainless Steel in electrolyte containing common household soft ... -
Comparative Corrosion Behavior of Pure Copper and Brass in 3.5% NaCl Solution
(Universitatea "Dunărea de Jos" din Galați, 2016)Copper and brass are used in many economic sectors as electrical, construction, transport and others. From common household electrical wiring to boat propellers and from photovoltaic cells to saxophones, copper and its ...
