Scientific papers - Annals of "Dunarea de Jos" University of Galati - Analele științifice ale Universității "Dunărea de Jos" din Galați: Recent submissions
Afișează articolele 441-460 of 1845
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Experimental Research on Heating Behavior of Some Steels During Hot Metallurgical 1453 – 083X
(Universitatea "Dunărea de Jos" din Galați, 2014)The heating of steel semi-products in view of hot rolling process or heat treatments is achieved at the large scale in propulsion ovens for the increase of their deformability and to improving mechanical characteristics ... -
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 ... -
Research on Chemical Deposition of Silver with Antibacterial Role in Implantology
(Universitatea "Dunărea de Jos" din Galați, 2015)The paper presents a synthesis of the laboratory research on the conditions of achieving chemical deposition of silver on oral implants made of Ti base alloy (bioalloy Ti10Zr). There were used several chemical deposition ... -
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 -
Emissions of Hydrochloric Acid Vapors Generated by Pickling Process from Cold Rolling Mill of Steel Strips
(Universitatea "Dunărea de Jos"din Galați, 2015)The most important pollutant emitted in the sector of pickling within a cold strip mill in an integrated steel mill are the hydrochloric acid vapors. This work presents the chemical reactions between the hydrochloric ... -
Environmental Risk Assessment for Thermal Power Plants
(Universitatea "Dunărea de Jos" din Galați, 2015)Thermal power plants still represent an important source of energy both in Romania and in Europe. Risks on the environment are primarily generated by the noxae generated from combustion of fossil fuels, namely: noxious ... -
Urban Pollution Issues Generated by Trams Traffic
(Universitatea "Dunărea de Jos" din Galați, 2015)The modern society development involves new and diverse issues considering urban environmental pollution. Traffic generated sound and vibration are two upto- date urban environmental pollution causes besides air and water ... -
Treatment of Ammonia Wastewater by Ultrasound. Part I: The Influence of the Ultrasound energy on the ultrasound Bath Temperature
(Universitatea "Dunărea de Jos" din Galați, 2015)The industrial ammonia water decontamination depending on the sample temperature is monitored by this study. The treatment was conducted by the UP100S ultrasound generator (Hielscher Ultrasound Technology, Germany), operating ... -
Microstructural Characterization of the TiMoZrTa Alloy
(Universitatea "Dunărea de Jos" din Galați, 2015)In recent years, different types of titanium alloys have been investigated with the aim of using materials in biomaterials field, and Ti-Mo system alloys are very promising materials. Alloying titanium with biocompatible ... -
The influence of the physical-Chemical Factors on the Distribution of Heavy Metals in the Delta Ecosystems
(Universitatea "Dunărea de Jos" din Galați, 2015)Recognized to the influence of micropollutants, heavy metals represented on the ecological status of surface waters, including delta ecosystems, the paper aims to study the impact of environmental factors (temperature, ... -
Surfasce Roughness and Topography of Ni/Micro-Sic Layers: Influence of Current Density on Electrodeposition Process
(Universitatea "Dunărea de Jos" din Galați, 2015)The surface properties are directly responsible for the performance of engineering materials because most of failures such as friction, wear, corrosion and fatigue often take place on the material surface. Electrodeposition ... -
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 ... -
Optimization of Thermal Processing Parameters of a High Strength Aluminum Alloy
(Universitatea "Dunărea de Jos" din Galați, 2015)The work shows a calculation meant to optimize the thermal processing parameters (time and temperature) of a high strength aluminum alloy. The optimization calculation has been done by gradient method which involves ... -
Laser Deposition of Bronze Aluminum on Steel Support
(Universitatea "Dunărea de Jos" din Galați, 2015)In order to rise the wear and corrosion resistance of 0.45% C superficial steel layers, a multilayer coating was tested by injection of powder with 88.3% Cu; 9.5% Al; 2.2% Fe in melted bath by CO2 continuous wave laser. ... -
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 ... -
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 ... -
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 ... -
Research on the Behaviour of the Tooth-Crown Assemblies Made of Different Metal Materials in Solutiond Simulating the Oral Environment
(Universitatea "Dunărea de Jos" din Galați, 2015)One of the basic principles of restorative dentistry is the conservation of the hard dental structure, while satisfying both aesthetic and functional requirements. Complying with this principle will minimize the harmful ... -
The Unusual Electomagnetic Proprieties of Fabric Reinforced Epoxy Composites
(Universitatea "Dunărea de Jos" din Galați, 2015)In this research, the electromagnetic behavior of four composite materials was investigated as an important issue of composite researchers is to control the electrical properties of polymer matrix composites. The four ... -
Compressive Behaviour of ultra-Sonicated Starch / Carbon Black / Epoxy Composites
(Universitatea "Dunărea de Jos" din Galați, 2015)Fillers are generally used in order to change some basic properties of polymer matrix but the filler particles often tend to aggregate with consequences in terms of the mechanical properties of the final composite. In ...
