Căutare 1993 -2018 după Subiect "structure"
Afișează articolele 1-16 of 16
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Aspects of Nitrated Layer Structure for Some Types of Austenite Stainless Steel
(Universitatea "Dunărea de Jos" din Galați, 2006)The analysis of nitrated layer diffractograms and the structure marked out the presence of complex nitrides combinations layer for all types of steel except for code 6 steel type 2CuMoNiCr200 which because of the very ... -
Behavior of Ni/al2O3 Nanocomposite Thin Layers in Corroding Environment
(Universitatea "Dunărea de Jos" din Galați, 2009)This paper investigates the effects of adding alumina nanoparticles in the electrolyte bath on surface topomorphologies and structure of electrodeposited nickel. The influence on the corrosion process in NaCl solutions ... -
Emphasizing Physical Aspects and Applications of Graphenes
(Universitatea "Dunărea de Jos" din Galați, 2018)Graphenes have attracted much attention due to their properties and possible applications. This approach is dedicated to shortly describe the problems related to this promising element. Some aspects concerning physical ... -
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 ... -
Fabrication and Characterization of Cobalt/Iron Composite Coatings
(Universitatea "Dunărea de Jos" din Galați, 2013)Cobalt/iron composite coatings are used in micro-equipments due to their high magnetic saturation values and Curie temperatures, as magnetic nanoparticles capable of killing cancer cells, for magnetic data storage and ... -
Influence of Heat Treatment Technology on the Structure and Properties of Thick Sheet Steel ASTM14 Degree F
(Universitatea "Dunărea de Jos" din Galați, 2015)In this paper, based on the researches carried out a heat treatment technology can be determined which further lead to an optimum set of mechanical properties according to the technical conditions: A. Annealing (austenite ... -
Influence of Thermal Treatment on Zirconia Powder
(Universitatea "Dunărea de Jos" din Galați, 2013)Zirconia powder in amorphous state was prepared by electrolytic deposition method (ELD) and then it was subjected to a thermal treatment according to a typical diagram. The structural changes in zirconia powder induced ... -
Neutralization of Hazardous Waste in Vitreous Mass of Glass
(Universitatea "Dunărea de Jos" din Galaţi, 2012)The paper presents studies concerning the neutralization of hazardous waste containing metal ions by embedding them in vitreous matrix which are chemically stable materials. The main analysed factors are: chemical ... -
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 ... -
Researches Concerning Phase Transition of Zirconium Titanate Prepared by Electrolytic Method
(Universitatea "Dunărea de Jos" din Galați, 2006)Powder zirconium titanate ceramics obtained by an electrolytic method has been investigated. Continuous phase transition were found to occur in powder zirconium titanate above and below a major discontinuity at 1120oC±10oC. ... -
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 ... -
Structure-Properties Corelation in Sintered Hard Alloys with High Toughness and Strength
(Universitatea "Dunărea de Jos" din Galați, 2007)The researches effectuated until now in the field of sintered hard alloys based on metallic carbides have the aim to improve them properties through modifications of existing technologies and by creating other news ones, ... -
Studies and Research on Treatment of Titanium Alloys
(Universitatea "Dunărea de Jos" din Galați, 2014)Titanium and its alloys have an extended use due to special properties. The paper highlights the TiZr alloy intended to manufacture prostheses, the influence of plastic deformation on the properties and structure. Applied ... -
Study of the RV52 Steel Plates Properties After Thermic Treatment
(Universitatea "Dunărea de Jos" din Galați, 2009)The thermal treatment of RV52 steel plates determines high mechanical properties such as: strength, wear resistance and tenacity. The normalized plate samples were studied to determine the effect of the tension release ... -
Study on Some Copper-Molybdenum Based Composite Materials Condensed from the Vapour Phase
(Universitatea "Dunărea de Jos" din Galați, 2007)Design features of equipment are given for realizing high-speed process of electron beam evaporation and condensation. Peculiarities of phase composition and structure of a crystallized pool (melt) on copper base are ... -
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 ...
