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Now showing items 21-30 of 171
Failure analysis of chain bracket / Analiza loma spojnice lanca
(Society for Structural Integrity and Life, Institute for Material Testing, 2011)
In spite of numerous and expensive research in the field of fatigue and fracture and regular control of end products, cracks occur every day in all fields of human activity. This paper describes failure analysis of chain ...
Analysis of innovative activity and water management / Analiza inovacione delatnosti i upravljanje vodama
(Udruženje za tehnologiju vode i sanitarno inžinjerstvo, Beograd, 2011)
Innovation is the renewal and enlargement of the range of products, services and the associated markets; the establishment of new methods of production, supply and distribution; the introduction of changes in management, ...
Tribological aspect of selecting filler metal for repair surfacing of gears by hardfacing / Tribološki aspekti izbora dodatnog materijala kod površinske reparacije zupčanika tvrdim navarivanjem
(Society for Structural Integrity and Life, Institute for Material Testing, 2011)
Analysis of repaired gears made of case-hardening steel 20MnCr5 by hardfacing method is presented in this paper. Hardfacing repaired gears are tested on the closed power circuit device with variation of the torque value. ...
Development of refractory coatings for application in the Lost Foam casting process / Razvoj vatrostalnih premaza za primenu u Lost foam procesu livenja
(Savez inženjera i tehničara Srbije, Beograd, 2011)
In this work, the results of examining the possibilities of use of a number of ceramic powders for manufacturing the coatings for polymeric models and their application in the Loast Foam casting process. According to it, ...
Measures and methods for NOx reduction from glass-melting furnaces / Mere i metode za smanjenja emisije oksida azota iz peći za topljenje stakla
(Savez inženjera i tehničara Srbije, Beograd, 2011)
The nitrogen oxides emitted to atmosphere effect significantly on formation of photochemical smog, acidic rains and destroying of ozone shell of the earth. Therefore, the regulations for limited emission of nitrogen oxides ...
The influence of mechanical activation of ceramic powders on the quality of casting coatings / Uticaj mehaničke aktivacije keramičkih prahova na kvalitet livačkih premaza
(Savez inženjera i tehničara Srbije, Beograd, 2011)
In order to increase the efficiency of coatings, the influence of mechanical activation has been studied by monitoring the changes of surface and energy state, the change of structure and properties of ceramic powders under ...
The analysis of forming PVB-SiO2 nanocomposite fibers by the electrospinning process / Analiza formiranja PVB-SiO2 nanokompozitnih vlakana pomoću elektrospining procesa
(Vojnotehnički institut, Beograd, 2011)
The poly (vinyl butyral)-silica (PVB-SiO2) nanofibers were obtained by the electrospinning process. The experiments were carried out with PVB solution in concentration of 10 wt.% where ethanol was used as the solvent. The ...
Determination of fatigue crack growth parameters in welded joint of HSLA steel / Određivanje parametara zamornog rasta prsline kod zavarenih spojeva od HSLA čelika
(Society for Structural Integrity and Life, Institute for Material Testing, 2011)
The structural integrity and operational safety of welded pressure vessels primarily depends on the behaviour of weldments. In spite of all efforts in material production and improvements in welding techniques, including ...
Micromechanical properties of composite systems consisting of electrodeposited nickel coatings on different substrates / Mikromehanička svojstva kompozitnih sistema formiranih elektrohemijskim taloženjem filmova nikla i bakra na različitim podlogama
(Savez inženjera i tehničara Srbije, Beograd, 2012)
Fine-grained nickel and copper thin films were electrodeposited (ED) from self-made sulphamate and sulphate electrolytes, respectively, on different substrates. The substrates were single crystal silicon with two different ...
Analysis of copper losses throughout weak acid effluent flows generated during off-gas treatment in the new copper smelter RTB Bor
(Association of Metallurgical Engineers of Serbia, 2013)
The previous inadequate treatment of off-gas in RTB Bor in Serbia has resulted in serious pollution of the environment and the possibly high losses of copper through the effluent flows. The project of New Copper Smelter ...