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Mica based coating for application in lost foam casting process
(Editura Stiintifica Fmr, Bucharest, 2012)
This paper presents the results of mechanical activation of filler based on mica and the influence on the quality of foundry coatings. The coating was applied for lining of evaporable model in Lost foam casting process. ...
Effects of additives on nickel (ii)-chloride hydrogen reduction for production of nanocomposite catalysts
(Editura Stiintifica Fmr, Bucharest, 2012)
Catalysts based on nickel, as active component, exhibit suitable properties in various heterogeneous catalysis processes; however, they quickly deactivate due to deposits formation during exploitation and sintering at ...
Characterization of microstructure and properties of hypereutectic al18wt%si alloys reinforced by 10%sic alloy
(Editura Stiintifica Fmr, Bucharest, 2012)
The aim of this work was to test the influence of various process parameters to obtain composite materials based on the Al18Wt%Si alloy with addition of 10Wt%SiC.For a comparative analysis purposes, the samples obtained ...
The mechanism and kinetics of the tungsten (vi)-oxide reduction in the vertical tube reactor
(Editura Stiintifica Fmr, Bucharest, 2012)
Presented study shows the analysis of the process of reduction of WO 3 powder with hydrogen in the vertical tube reactor, representing a new approach in comparison to the conventional methods in the horizontal tube reactor. ...
Reuse of metallurgical slag from the silicothermic magnesium production and secondary lead metallurgy
(Editura Stiintifica Fmr, Bucharest, 2012)
The feasibility study of using different kinds of slag as constituents in construction materials is presented in this paper. As possible materials, slag from silicothermic process of magnesium production is used in fresh ...
The mechanism and kinetics of the tungsten (VI)-oxide reduction in the vertical tube reactor
(Editura Stiintifica Fmr, Bucharest, 2012)
Presented study shows the analysis of the process of reduction of WO3 powder with hydrogen in the vertical tube reactor, representing a new approach in comparison to the conventional methods in the horizontal tube reactor. ...
Productivity after ownership transformation-serbian case
(Editura Stiintifica Fmr, Bucharest, 2012)
Differences in total factor productivity of privatised and newly-founded private companies in Serbia are empirically estimated in this paper. On the panel data from a sample of 900 firms in three regions - Vojvodina, Central ...