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Afișează articolele 1261-1270 of 1945
Oxidizing Influence Over Surface Structures and Properties for A3k Steel Nitrocarburized in Fluidized Bed
(Universitatea 'Dunărea de Jos" din Galați, 2006)
Surface duplex thermochemical treatment (oxinitrocarburizing) has principal
scope to obtaining superficial mechanical higher properties with increasing
corrosion capacity. The paper is based by oxinitrocarburizing ...
Researches Concerning the Correlation of the Semiplanetary Rolling Process Factors
(Universitatea "Dunărea de Jos" din Galați, 2005)
An available solution of the elimination of the superficial cracks
network at the continuous cast slabs is the semiplanetary rolling. The
application of a semiplanetary rolling mill at the exit of slab from the curve
zone ...
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 ...
Establishing the Rolling-Friction Coefficient for Different Contacts Between Balls and Termochemicallly Treated Steel Rolling Paths
(Universitatea "Dunărea de Jos" din Galați, 2014)
Within the frame of this work, the influence of four very well-known and often
used thermochemical treatments (carburizing, carbonitriding, nitriding and
nitrocarburizing) of steel rolling paths applied on rolling-friction ...
Structural Changes Associated with the Pseudoelastic Response of Fe-based Shape Memory Alloys
(Universitatea "Dunărea de Jos" din Galați, 2014)
The pseudoelastic responses of two types of iron base shape memory alloys
(SMAs) were introduced and discussed. The former was based on Fe-Mn-Si system,
obtained by classical (CM) and by powder metallurgy (PM) manufacturing. ...
Challenges in Corrosion Protection using Vegetable Extracts as Inhibitors-Electrochemical Studies
(Universitatea "Dunărea de Jos" din Galați, 2014)
Corrosion is an irreversible chemical or electrochemical reaction of a
material with its surrounding environment or medium which results in consumption
of the material or in dissolution into the material of a component ...
Antimicrobial Activity of Ag:Zno/Chitosan Composites
(Universitatea "Dunărea de Jos" din Galați, 2014)
This paper deals with Ag, ZnO and Ag-doped ZnO nanoparticles embedded in
chitosan (CS) matrix, prepared by hydrolysis of zinc acetate in isopropanol in the
presence of lithium hydroxide (LiOH) in low temperature ...
Environmental Risks Assessment by Qualitative and Quantitative Methods
(Universitatea "Dunărea de Jos" din Galați, 2016)
The paper presents qualitative and quantitative methods, applicable on
environmental risks, and conditions of application. The principles of the two classes
of risk assessment methods and the advantages and disadvantages ...
Optimization Techniques for the Neutralization of the Polluted Waters from Metal Plating
(Universitatea "Dunărea de Jos" din Galați, 2016)
The problems related to the protection of the environment are regarded
especially as a result of the local pollution by the industry and agriculture or by the
overcrowded areas, which have led to the disturbance of some ...
Research on the Operation of Commercial Vessels with Compressed Air
(Universitatea "Dunărea de Jos" din Galați, 2016)
Regarding the reduction of the carbon dioxide emissions in the atmosphere,
this paper is going to present a system of propulsion with compressed air used for
medium-sized commercial vessels. In the transport domain, ...