Căutare Scientific papers - Annals of "Dunarea de Jos" University of Galati - Analele științifice ale Universității "Dunărea de Jos" din Galați după Subiect "corrosion"
Afișează articolele 21-36 of 36
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Obtaining and Characterizing TIN-LEAD Coatings on Steel Band
(Universitatea "Dunărea de Jos" din Galaţi, 2012)The experimental research was at the basis of the hot immersion coating technology with Sn-Pb alloy of the steel bands presented in the study. The characterization of these layers was achieved through microscopic analyses ... -
On the Corrosion Behavior of Organic Nanocomposite Coatings
(Universitatea "Dunarea de Jos" din Galați, 2009)Recently, researches on composite coatings of organic nature with the addition of metallic oxide nanopowders have shown an increasing corrosion resistance of metallic materials. Carbon steel shows an improved behavior ... -
Optimisation of Refractory Components of Sliding Gate Mechanism for Continuous Casting
(Universitatea "Dunărea de Jos" din Galați, 2009)New design techniques have been developed to optimize refractory components of sliding gate mechanism for continuous casting of steel. The overall objective is to increase CC productivity as well as steel quality by using ... -
Research Concerning the Influence of Laser Cladding on the Operating Charactersitics of the Surface Layers Obtained from High-Speed Steel Powder
(Universitatea "Dunărea de Jos" din Galați, 2013)The paper presents the corrosion behavior of laser cladding layers in 0.5 M NaCl along with a durability test, compared with samples made of clasically hardened HS6-5-2 steel. The higher characteristics of the laser ... -
Studies About Electrochemical Plating with Zinc-Nickel Alloys
(Universitatea "Dunărea de Jos" din Galați, 2007)The electrochemical deposition of zinc and combinations with elements of the 8th group of the Periodic System (nickel, cobalt, iron) have good properties for anticorrosive protection, compare with pure zinc. For steel ... -
Surface Hardening by Nitration for Some Stainless Austenite Steel Types
(Universitatea "Dunărea de Jos" din Galați, 2006)Stainless austenite steel types have a good resistance to corrosion in different natural, industrial environments but their hardness and mechanical resistance are low enough. In order to assure an increased resistance ... -
The Behaviour of Two Non-Conventionally Treated Steels During Corrosion Process
(Universitatea ”Dunărea de Jos” din Galați, 2009)This paper presents an analysis on two steel grades, subjected to nitriding thermo-chemical treatment after classic / thermo-magnetic treatments (in direct current/alternative current). It was estimated the durability of ... -
The Chemical and Metallurgical Analysis of Cooper-Based Shape Memory Alloys
(Universitatea "Dunărea de Jos" din Galați, 2015)The paper presents some aspects on the thermo-mechanical fatigue of shape memory alloy, a documentary synthesis of their industrial applications and chemical aspects concerning the use of these alloys in biomedical applications -
The Corrosion Behaviour of Aluminum Alloy 2024-T3 in Acidic Environments
(Universitatea "Dunărea de Jos" din Galaţi, 2012)This research aimed at analysing the acidic corrosion behavior of aluminum alloy 2024-T3 commonly used in the aerospace. We study the variation of corrosion rate with immersion time at different values of H2SO4 concentration ... -
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 ... -
The Influence of Waste Composition on the Pumping System Corrosion
(Universitatea "Dunărea de Jos" din Galați, 2017)Wastewater piping systems in urban agglomerations or industrial areas have problems with the wear and tear of equipment and water transport pipelines used. The problems are related to hydromechanics wear and corrosion ... -
The Protective Behaviour Titanium Nitride Coatings
(Universitatea "Dunărea de Jos" din Galați, 2015)The experiments conducted to obtain a thin layer of nitride through the vapour chemical deposition method have followed an original path to obtain TiN directly in the working room thus avoiding the import of these ... -
The Study of Metal-old Wood Interactions Under the Influence of Pedological Factors
(Universitatea "Dunărea de Jos" din Galați, 2008)In the manufacture of wood objects, for binding and strengthening were used nails, cramps and other metallic elements, which in the archaeological site suffered degradation and deterioration processes, specific to ... -
Time Analysis of King Mattehias the IST Sculptural Group
(Universitatea "Dunărea de Jos" din Galați, 2010)The paper presents a study on the degradation of the King Matthias I sculptural group caused by environment factors and influenced by the casting technology and by the assembling method. During this study, samples from ... -
Tribocorrosion-insight Into Material Degradation in Specific Environments
(Universitatea "Dunărea de Jos" din Galați, 2014)Tribocorrosion is an irreversible surface degradation mechanism of a metallic and/or non-metallic material as a result of its physicochemical and mechanical interactions during relative motion (friction, sliding, impact, ... -
XRD Analysis in Front of a Corrosion Crack Tip
(Universitatea "Dunărea de Jos" din Galați, 2008)During exploitation of the heat exchangers some damages can appear in the contact region between the gaskets and the stainless steel walls. The studies upon the material were performed using SEM microscopy, X-ray ...
