Căutare 1993 -2018 după Titlu
Afișează articolele 372-391 of 552
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Researches Concerning the Deformation Behaviour of a Low Carbon Steel
(Universitatea "Dunărea de Jos" din Galaţi, 2008)The paper shows the results of the researches meant to establish the equation of deformation behavior of low carbon steel. The behavior law is established by the experimental way, using the torsion test method. The ... -
A Researches for the Determination of the ATC Si10Mg Alloy Fatigue Life, function of Different Applied Thermal Treatment Cycles
(Universitatea "Dunărea de Jos" din Galați, 2005)The experimental researches which were made, emphasized the opportunity of applying heat treatment cycles, in order to increase fatigue life of ATC Si 10 Mg alloy. The increase of minimum fatigue resistance is approximately ... -
Researches on the Corrosion Behavior for a Drawing Steel That Went Through Natural Ageing
(Universitatea "Dunărea de Jos" din Galați, 2009)The paper presents the results of a study on the corrosion behaviour of the sheets of drawing steel with 0,04% C gone through natural ageing and run for a period of 112 days from the moment of drawing. The researches ... -
Researches on the Pollution of Underground Waters in a Certain Part of Galati District
(Universitatea "Dunărea de Jos" din Galați, 2007)The paper underlines the importance of monitoring the quality of the underground waters and presents the experimental results as regards the pollution of underground waters in a certain part of Galati district. The final ... -
Researches on the Viscoplastic Behavior of a CrMo Alloyed Steel
(Universitatea "Dunărea de Jos" din Galați, 2009)The paper shows the results of the researches concerning the deformation behavior of alloyed steel with chromium and molybdenum. The plastic deformation behavior is researched in the experimental way, using the torsion ... -
Researches Regarding Improvement of the Fatigue Limit by Heat Treatments of the Al-Alloys for Aeronautics Industry
(Universitatea "Dunărea de Jos" din Galați, 2005)The laboratory experiments were made on the two aluminium alloyed qualities used for aeronautical industry. The structure and mechanical characteristics were analyzed and the gotten results were compared using those two ... -
Researches Regarding Temperature Influence on Classic and Synthetic Quenching Medium
(Universitatea "Dunărea de Jos" din Galați, 2009)In this paper were analyzed experimental graphics for quenching cooling curves of oil at 20°C,40°C,60°C, 80°C and carboxymethyl cellulose (CMC) 1,5% solution in water at the same temperatures. Velocity cooling was studied ... -
Researches Regarding the Rolling of the Sinterized Metallic Powders Strips
(Universitatea "Dunarea de Jos" din Galați, 2005)This paper work is distinguishing the size modification of those two material layers gotten by the bimetallic strip rolling, joined by the sintering. The iron powders sediment was achieved on the steel strip backing. ... -
Researches Regardingbthe Thermomechanical Treatments Influence on the Structure and Characteristics of the Aluminium Alloys for Aeronautics
(Universitatea "Dunărea de Jos" din Galați, 2005)The laboratory experiments were made on the two aluminium alloyed qualities used for aeronautical industry. More working conditions of the intermediary (PTMI) and finally (PTMF) thermomechanical treatments were used on ... -
Resesrches on the Production of Copper-Based Composites by Powder Metallurgy Methods
(Universitatea "Dunărea de Jos" din Galați, 2014)The article presents how to obtain copper matrix composite with alloy particles of NiCrBFeAl as complementary phase. The samples were obtained by powder metallurgy methods using different percentages of the additional ... -
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. ... -
A Review on the Thermophysical Properties of Water-Based Nanofluids and their Hybrids
(Universitatea "Dunărea de Jos" din Galați, 2016)A nanofluid is a solid–liquid mixture which consists of nanoparticles and a base liquid. Nanoparticles are basically metal (Cu, Ni, Al, etc.), oxides (Al2O3, TiO2, CuO, SiO2, Fe2O3, Fe3O4, BaTiO3, etc.) and some other ... -
Sculpture, Extended Nature
(Universitatea "Dunărea de Jos" din Galați, 2010)The paper portrays some aspects that show how nature is implemented into the graphic values domain by confronting the physical image of the artistic subject. The article presents some rules that have marked over time the ... -
Selective Growth of 1D Nanostructured Oxide Materials Using PDMS Stamp
(Universitatea "Dunărea de Jos" din Galați, 2012)The approach for selective growth of 1D nanostructured oxide materials using poly (dimethylsiloxane) (PDMS) stamp consists of using microcontact printing, as such the soft lithography technique, for transferring the ... -
Selective Organic Reactive for Determination of Several Heavy Metals from Different Materials
(Universitatea "Dunărea de Jos" din Galați, 2006)The research regarding the synthesis and characterization of tiobis-β- naphthol have established that it can be used as an efficient analytical reactive for separating through extraction the heavy metals in watery env ... -
Selective Recovery by solubilization of Metals Ions of Chromium, Iron and Zinc from Electroplating Sludge to Develop Pigments for Ceramics Industry
(Universitatea 'Dunărea de Jos" din Galați, 2015)Electroplating industries discharge large amounts of heavy metals, including chromium (Cr), iron (Fe) and zinc (Zn) ions, in the wastewater resulted from technological processes, as well as in the sludge from wastewater ... -
Semi-Planetary Rolling and Changes of Fine Structure and Microstructure
(Universitatea "Dunărea de Jos" din Galați, 2007)The strain intensity in the proximity of planetary cylinder, in the case of semi-planetary rolling is greater than in the proximity of the massive cylinder. This fact leads at the variation of the microstructure and fine ... -
Setting the Optimum Angle of Solar Collectors Settlement
(Universitatea "Dunărea de Jos" din Galați, 2013)The performance of any solar energy system depends very much on the availability of solar radiation and the orientation of solar collectors. Solar collectors need to be inclined at the optimum angle to maximize the ... -
Severe Plastic Deformation an Advanced Method for Nanostructuring Shape Memory Alloys
(Universitatea "Dunărea de Jos" din Galați, 2007)Severe plastic deformation (SPD) is an advanced plastic deformation. In this process nanostructuring metals and alloys may be produced. Nanostructured shape memory alloys are associate with a very high strength, toughness, ... -
Severe Plastic Deformed Pure Aluminum by Equal Channel Angular Pressing
(Universitatea "Dunărea de Jos" din Galați, 2009)Samples of an aluminum alloy were subjected to an equal channel angular pressing (ECAP) at room temperature for one pass. For the several specimens severe plastic deformation process was interrupted to observe the material ...
