2014 fascicula9 nr2
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Înregistrări recente
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Research on Abrasive Wear Behaviour of laser Cladding Lyers with Aluminum Bronze Powders
(Universitatea "Dunărea de Jos" din Galați, 2014)The paper presents the wear behaviour on rotating disk with abrasive paper of laser cladding layers with aluminum bronze powders compared with steel samples and aluminum bronze classically quenched. The hardness and wear ... -
Obtaining and Studying Tensile Strength for Non-Precious Alloys Based Cobalt
(Universitatea "Dunărea de Jos" din Galați, 2014)This paper presents aspects of obtaining non-precious dental alloys of Co-Cr-Mo alloys system and experimental tests to determine tensile strength, carried on standard flat specimens. -
Effect of ZnO Nanoparticles on the Anticorrosion Properties of Epoxy Coating
(Universitatea "Dunărea de Jos" din Galați, 2014)Homogeneous epoxy coating obtained by embedding ZnO nanoparticles (≤50 nm) in the epoxy matrix, was applied on Grade A naval steel substrates by dipcoating method. The morphology and microstructure of the coatings ... -
Silica thin Films Obtaining by Sol-Gel Dip Coating with Controlled Optical Properties
(Universitatea "Dunărea de Jos" din Galați, 2014)Transparent oxide films are widely employed as antireflection or high reflection coatings, band-pass filters and narrow-band-filters in various optical and electronic devices. The performances of these devices are based ... -
Aspects of Materials Decay Under Chemical Attack from the Leachate Treatment Plant of the Tirighina Waste Landfill
(Universitatea "Dunărea de Jos" din Galați, 2014)Human society faces a number of major problems among which the increasingly negative consequences of environmental pollution. The high uses rate of the natural resources and the large amount of waste generated tend to ... -
Antimicrobial Properties of Semiconductive Oxide Nanoparticles. From fundamental to Application
(Universitatea "Dunarea de Jos" din Galați, 2014)A problem of modern society is the spread of diseases worldwide. Infection control and maintaining a high level of hygiene by applying antimicrobial coatings (including medical products, packaging materials, membrane ... -
Residual Stress and Tribology Behaviour of TiCx Coating Deposited by NPCVD Method
(Universitatea "Dunărea de Jos" din Galați, 2014)In this paper, thin TiCx films were coated by chemical vapour deposition method, and various duty cycles were carried out in order to observe the influence of this parameter on residual stress and tribology behaviours. ... -
The Influence of Different Coatings on the Grafhite Degeneration in the Superficial Layer of Iron Castings
(Universitatea "Dunărea de Jos" din Galați, 2014)The main objective of this experimenal reserch is to investigate new possibilities for reducing the graphite degeneration phenomenon in the superficial layer of iron castings. For the experiment, a spheroidal graphite ... -
Wear Behavior of Carburizing on Powder Metallurgy Alloys
(Universitatea "Dunărea de Jos" din Galați, 2014)In this paper is studied the influence of wear behavior of carburizing in fluidized-bed on sintered alloys produced by powder metallurgy route. In powder metallurgy, carburization is a thermochemically treatment that ... -
Study Related to improve Performance of a Neutralizing Gas Dynamics System
(Universitatea "Dunărea de Jos" din Galați, 2014)Worldwide, the series of attacks "with bomb" are the most common, accounting for over 80% of terrorist attacks. The many constructive solutions of Improvised Explosive Devices (I.E.D), would require for defusing sequence ... -
Improving Biocompatibility of Co-Cr Alloy Used in Dentistry by Surface Modification with Electrochemical methods-Corrosion of Untreated Co-Cr Alloy in Solution with Different pH
(Universitatea 'Dunărea de Jos" din Galați, 2014)The use of metals and alloys in dentistry has seen remarkable progress due to the deep research on their biocompatibility or the application of advanced technologies to improve surface properties by controlling ... -
Geopolymers Obtained with Red Mud from Alumina Manufacturing
(Universitatea "Dunărea de Jos" din Galați, 2014)Getting reusable aluminosilicate materials, based on the geopolymerization reaction mechanism of some physical and mechanical material particular, has been imposed in the recent years in building materials. This paper ... -
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 ...
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