Fascicula IX: Recent submissions
Afișează articolele 501-520 of 552
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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 ... -
Corrosion Behavior of 1050 and 3003 Aluminum Alloys Used in Naval Industry
(Universitatea "Dunărea de Jos" din Galați, 2016)The most important requests for new materials used in marine aggressive corrosion environment are the corrosion resistance and the susceptibility to localized and pitting corrosion. The corrosion behavior of 1050 and ... -
Research on Obtaining and Characterization of Polymeric Membranes for Wastewater Treatment
(Universitatea "Dunărea de Jos" din Galați, 2016)Some of the most common polymeric membranes are used in wastewater treatment. Over the years, these membranes have been studied from different points of view: their aim to improve the retention of impurities, membrane ... -
Treatment of Wastewater Resulting from the Mettallic Coatings Process
(Universitatea "Dunărea de Jos" din Galați, 2016)The technological cleaning processes of steel strip surfaces used in metal coatings require organic or inorganic chemicals with a high risk of toxicity. To avoid pollution, the water resulting from these processes must ... -
Design and Flow Modelling of Ballast Tank in-Line Ejector
(Universitatea "Dunărea de Jos" din Galați, 2016)The purpose of this paper is to present the stages of designing a water in-line ejector used for ballast tanks stripping operation. The design operation was performed using NX Siemens CAD and ANSYS 15 for computer fluid ... -
The Influence of Speed Cooling on Some Properties of Laminated Steel
(Universitatea "Dunărea de Jos" din, 2016)This study presents a possibility to predict the connection between the cooling regime and the properties of steel. An important factor to enhance the properties of steel is the speed of the cooling regime. To be in ... -
The Eco-Efficiency of Recycling Organic Waste for Agriculture Purposes
(Universitatea "Dunarea de Jos" din Galați, 2016)One of the problems of the cities is the raising of household waste, with polluting effects on the environment. On the other hand, in agriculture, through specific activities necessary to ensure food, fertilizers are ... -
Effect of Heavy Metals on the Germination of Wheat Seeds : Enzymatic Assay
(2016)Stress caused by heavy metals is a major problem which affects agricultural productivity and, implicitly, human health. Natural flora presents differences of tolerance to heavy metals. Some plants grow well in a soil ... -
A Review on the Thermophysical Properties of Water-Based Nanofluids and their Hybrids
(Universitatea "Dunărea de Jos" din Galați, 2016)A nanofluid is a solid–liquid mixture which consists of nanoparticles and a base liquid. Nanoparticles are basically metal (Cu, Ni, Al, etc.), oxides (Al2O3, TiO2, CuO, SiO2, Fe2O3, Fe3O4, BaTiO3, etc.) and some other ... -
Ecotechnologies-A Major Route for Durable-Sustainable Development in the Metal Materials Industry
(Universitatea "Dunărea de Jos' din Galați, 2016)The paper shows that the durable and sustainable development depends on the quality of the events occurring in the convergence area between the natural ecological system (N.E.S.) and the technological system (T.S.) ... -
Aspects Regarding the Impact of Energy Recovery from Domestic Waste on Atmosphere
(Universitatea "Dunărea de Jos" din Galați, 2016)The issue of domestic waste neutralization appeared with human civilization but got new dimensions in the context of the present consumer society. The diversity and increasing quantity of domestic waste imposed finding ... -
Energy Disequilibrium Effects on Heat Treatment Equipment
(Universitate "Dunărea de Jos" din Galați, 2016)The differences found between heat fluxes in different areas of the heat treatment equipment workspace, due to energy disequilibrium or due to improper positioning of loading, can cause non-uniform temperatures and heat ...
