Căutare Fascicula IX după Titlu
Afișează articolele 150-169 of 552
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Evolution of some Structural Fine Parameter in the Superficial Layer During Low Cycle Fatigue Process
(Universitatea "Dunărea de Jos" din Galaţi, 2008)Using laminate samples, investigations have been realized at variable solicitation of pure bending on a patented machine. The machine has two working places and it can be adjusted for different deformations, frequencies ... -
Evolutionary Perspectives on Energy Consumption of Raw materials to Ensure Energy Production in the EU-28
(Universitatea 'Dunărea de Jos" din Galaţi, 2014)A clear analysis of the electricity production and consumption sector in the EU 28 offers firstly the possibility of knowing the final energy consumption for each segment (industry, households, trade, services and ... -
Examining the Evolution of Microstructure and ITS Effect on the Mechanical and Tribological Properties
(Universitatea "Dunărea de Jos" din Galați, 2017)This paper investigates the superior frictional performance of Ti-DLC films, by examining the evolution of microstructure and its effect on the mechanical and tribological properties. The superior frictional performance ... -
Experimental and Theoretical Investigations on Mode I Crack Propagation in Notches Under Cyclic Loading
(Universitatea "Dunărea de Jos" din Galați, 2007)Research works regarding crack opening stresses covering various types of Mode I cracks initiated and growing in notches under cyclic loading are shown. A large number of parameters influence the crack opening behavior, ... -
Experimental Aspects for CeO2 Nanoparticles Synthesis and Characterization
(Universitatea "Dunărea de Jos" din Galați, 2017)In recent years, cerium oxide (CeO2, or ceria) became a versatile nanostructured material because of its unique properties derived from the low dimensionality and high surface area. It was also extensively studied due ... -
Experimental Equation of Deformation Behaviour of a Concrete Steel
(Universitatea "Dunărea de Jos" din Galați, 2006)The plastic deformation behavior is defined by the function of the deformation strength according to the strain, strain rate and temperature as the factor of the deformation process. The behavior law establishes by the ... -
Experimental Investigation of Fatigue of Thin-Walled Welded Structures of Commercial Vehicle Frames
(Universitatea "Dunărea de Jos" din Galați, 2007)The fatigue behavior of bus frame components consisting of thin-walled tube beams joined together by fillet welding has been investigated. Numerical analysis by means of finite elements and experimental stress analysis ... -
Experimental Model for Pollutants Monitoring Into the Coke-Chemical Plant
(Universitatea "Dunărea de Jos' din Galați, 2009)The Coke-Chemical plants contribute heavily to producing and emitting in the atmosphere a big amount of polluting agents. Polluting emissions diminution and situating them within the international specific standards, ... -
Experimental Reaearch of Sintered Porous Materials of Bronze Powders
(Universitatea "Dunărea de Jos" din Galați, 2005)Porous sample were fabricated by sintering of bronze ( Cu Sn10) with different particle size range. The paper investigates the influence of the particle size distribution, temperature and sintering time on the structural ... -
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 ... -
Experimental Research on Increasing the Durability of Cast ATCSi 5 Cu 1 Alloys for Sea Ships Through Heat Treatment
(Universitatea "Dunărea de Jos" din Galați, 2017)This paper presents an experimental research study on the utilization of complex heat treating on aluminum alloys in order to increase their durability. The practical usage of the studied aluminum alloys (more specifically, ... -
Experimental Research Regarding the evolution of Some parameters of the Superficial Layer in love Cycle Fatigue Process
(Universitatea "Dunărea de Jos" din Galați, 2007)The development of some mechanic engineering systems in, feasible to pressure vessels, aeronautics, ship building technology, requires a full investigation of the material features that are to be examined under a low ... -
Experimental Research Regarding the Obtaining of Obtaining of Friction Elements
(Universitatea "Dunărea de Jos" din Galați, 2009)Friction materials are used as bimetallic friction elements, consisting of a friction material layer sintered on a steel backing. Using the electron microscopy techniques (microprobe analyzer) some of the diffusion ... -
Experimental Researches Concerning the Influence of the Oxynitrocarburizing Thermochemical Treatment Over the Structure and Corrosion Resistance of C40 Steel
(Universitatea "Dunărea de Jos" din Galați, 2009)The aim of the paper is to present the results of the experimental researches regarding the corrosion behaviour of C40 steel, thermochemical treated by oxidant nitrocarburizing at 570°C. The thermochemical treatment was ... -
Experimental Researches on the Constitutive Equation of Concrete Steel with Superior Characteristics
(Universitatea "Dunărea de Jos" din Galați, 2007)The plastic deformation behavior is defined by the function of the deformation strength according to the strain, strain rate and temperature as the factor of the deformation process. The behavior law establishes by the ... -
Experimental Results at Modelling of the Flow and Deformation Fields at the Profiles Rolling
(Universitatea "Dunărea de Jos" din Galați, 2006)This paper presents the results for modeling of the rolling process based at the deformable continuous medium mechanics, the theory of field lines. The rolling of the profiles and plates may be evaluated as the plane ... -
Experimental Shooting with Thor-1 Disruptor: New Type of Gas Device used to Neutralize improvised Explosive Devices
(Umiversitaea "Dunărea de Jos" din Galați, 2016)The paper presents experiments conducted with disruptor THOR-1, a new type of gas-dynamic device used to neutralize improvised explosive devices. Disruptor THOR-1 [1] was designed and practically built as a gas-dynamic device ... -
Experimental Studies on Structure Profile of Cast Alumininum Alloys
(Universitatea "Dunărea de Jos" din Galați, 2005)This paper presents experimental studies regarding the behavior after heat treatment of two cast aluminum alloy. So, we selected a typical charge for studying the structure profile. The studies that we have done can ... -
Experimental Studies Regarding the Implementation Possibilies of a Quality Control System for Ceramic Products in Continuous Flux Production
(Universitatea "Dunărea de Jos" din Galați, 2009)In the current paper the authors studied the possibilities and limitations of a system intended to evaluate the quality of ceramic products directly on the production line. The system is based on a data mining specific ... -
Experiments on Ballistic Tests for Improving Performance of a Neutralizing Gas Dynamics System
(Universitatea "Dunărea de Jos" din Galați, 2014)Neutralizing improvised explosive devices (handmade) by mechanical separation of the elements which are part of their composition can be achieved by the following methods: - generation of shock waves by means of the ...