Căutare Fascicula IX după Titlu
Afișează articolele 76-95 of 552
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Contribution in the Domain of the Contact Stresses Between Cylinders of Cold Rolling
(Universitatea "Dunărea de Jos" din Galaţi, 2008)Elasto-plastic contact stresses between working cylinder and support cylinder of cold rolling using FEM are presented in this paper. Pressure and tractions resulted from the rolling process were obtained by using a ... -
Contribution of Heat and Thermochemical Treatments to the Improvement of the Perfomances of High-Speed Steel Tools
(Universitatea "Dunărea de Jos" din Galați, 2007)The In this paper the influence of non-conventional heat and thermo chemical treatments upon the structure of tool steels and implicitly, upon the performances that are derived from applying such treatments, is presented. ... -
Contributions Regarding the Development of New Types of Solar Actuators
(Universitatea "Dunărea de Jos" din Galați, 2015)The paper presents the authors’ contributions to the development of solar actuators with bimetallic band and Bourdon tube in the EMAD Research Centre of ”Ștefan cel Mare” University of Suceava. The solutions and the ... -
Contributions to Increasing the Quality of Urban Life Through the use of an Intelligent Road Traffic Management System
(Universitatea "Dunărea de Jos" din Galați, 2017)Traffic congestion is a phenomenon which occurs when road traffic is disturbed. In Galati city, traffic congestion increases rapidly due to an increase in the number of vehicles on the road. This work is an attempt to ... -
Copper Plating Corrosion Study in Certain Environments
(Universitatea "Dunărea de Jos" din Galați, 2013)Copper plating was performed on nickel substrate by means of the potentiostatic electrodeposition method from a sulphate electrolyte solution. The copper coatings morphology was studied by means of the optical and ... -
Correlation Between the Properties of Old Slags and the Recycling Solutions
(Universitatea "Dunărea de Jos" din Galaţi, 2014)The blast furnace and basic oxygen furnace route of steel making (from iron ores and coke to steel) or the so called integrated steel production generates simultaneously solid waste products. The slag is predominant, ... -
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 ... -
Corrosion Behavior of Ni-P Coated Steel Strips
(Universitatea "Dunărea de Jos" din Galați, 2015)In addition to high hardness, Ni-P coatings obtained by the electroless method are widely used due to their high corrosion resistance. The corrosion resistance depends on the content of phosphorus in the coating. Various ... -
Corrosion Behavior of Some Materials in 0.5 M Ammonium hydroxide Solution
(Universitatea "Dunărea de Jos" din Galați, 2013)The present work has the purpose of studying metallographic aspects and corrosion resistance of three materials used in ammonia stripping plants. The corrosion process was evaluated by gravimetric tests and potentiodynamic ... -
Corrosion Behavior of Zinc Alloy Layers
(Universitatea "Dunărea de Jos" din Galați, 2014)The alloying of zinc with some additional elements in specific quantities could be reliably used in the hot-dip coating process. These elements conferr substantially improved performance to the end-product specially by ... -
Corrosion Behaviour and Biocompatibility of 316 Stainless Steel as Biomaterial in Physiological Environment
(Universitatea "Dunărea de Jos" din Galați, 2015)Although stainless steel is a material widely used for biomedical applications, its surface properties for long term application are still a serious concern. 316L stainless steel (SS 316L) is a material commonly used in ... -
Corrosion Behaviour of Tombac Used in Cult Objects Manufacturing
(Universitatea "Dunărea de Jos" din Galați, 2009)Corrosion of metals and metallic alloys is due to their thermodynamic instability in relation to their oxidation form. Corrosion tests performed in this work simulate the exposure conditions in different environments of ... -
Corrosion of Bronze Art Objects and Methods of Restoration
(Universitatea "Dunărea de Jos" din Galați, 2009)The paper presents a study of the corrosive state of sculptures and art objects made from copper and bronze, the equipment used to detect and study defects and the methods and solutions for restoring the art object ... -
Corrosion of Composite Ferro-Niobium Layers in Cobalt Matrix
(Universitatea "Dunărea de Jos" din Galaţi, 2012)The ferro-niobium composite layers in cobalt matrix were obtained by cathode depositing from electrolyte solutions on steel base. The electrolyte included in its composition cobalt sulphate and cobalt chloride, boric ... -
Corrosion Resistance of the Composition Materials System (Cu-Al)-Mo, Obtained by the EB-PVD Method
(Universitatea "Dunărea de Jos" din Galați, 2005)For development of new composition materials for the electric contacts, which would differ by high electric conductivity, mechanical properties, corrosive and erosion resistance in conditions of high temperature’s ... -
Corrosion Resistance of Zinc Coated Steel in sea Water Environment
(Universitatea "Dunărea de Jos din Galați, 2015)The life time of metallic materials used in naval transport industry is influenced by their corrosion resistance. For utilization in shipbuilding and offshore construction, metallic materials need to be covered with ... -
Critical Analysis of "Maximum Stress Failure"
(Universitatea "Dunărea de Jos" din Galați, 2009)The paper deals with critical considerations upon different points of view that were enounced by some authors referring to Maximum Stress Failure Criterion for composite materials. The considerations stem both from a ... -
Decorative composite Layers
(Universitatea "Dunărea de Jos" din Galați, 2008)Part of the materials used in the chemical industry, metallurgical, machine construction, can be coated, as with time it occurs either a decrease of its properties, or even a process of advanced faulting, because of the ... -
Deposition Technologies for Obtaining thin Films with Special Properties
(Universitatea "Dunărea de Jos" din Galați, 2015)The properties of metallic materials can be improved by deposition of materials. The coating has a tear strength and better hydro-abrasive corrosion. The thin layer deposition has a thickness of less than 10 micrometers. When ... -
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 ...
