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Приказ резултата 1-10 од 33
Assessment of Efficiency of Rare Earth Elements Recovery from Lignite Coal Combustion Ash via Five-Stage Extraction
(Međunarodni Institut za nauku o sinterovanju, Beograd, 2021)
Rare earth elements (REE) are frequently referred to as ingredients for enhancements in modem industry, as they are extensively applied in many industrial branches due to their accented electro-magnetic and optical properties. ...
Experimental and Discrete Element Model Investigation of Limestone Aggregate Blending Process in Vertical Static and/or Conveyor Mixer for Application in the Concrete Mixture
(MDPI, Basel, 2021)
The numerical model of the granular flow within an aggregate mixture, conducted in the vertical static and/or the conveyor blender, was explored using the discrete element method (DEM) approach. The blending quality of ...
An Artificial Neural Network-based Prediction Model for Utilization of Coal Ash in Production of Fired Clay Bricks: A review
(Međunarodni Institut za nauku o sinterovanju, Beograd, 2021)
This study analyzed the last 20 years' data available on power plant coal ashes used in clay brick production. The statistical analysis has been carried out for a total of 302 cases based on the relevant parameters reported ...
Unapređenje tehnologije aluminotermijskog zavarivanja železničkih šina različitog poprečnog preseka / Improvement of at-welding technology of railway rails with different cross sections
(Savez inženjera i tehničara Srbije, Beograd, 2021)
U radu je prikazana nova tehnologija aluminotermijskog zavarivanja (AT) prelaznih šina 49E1 na 60E1(EN 13674-1:2005.), oslonjena na potpuno nove materijale. Ona se odnosi na pešćane kalupe kod kojih su oblik i dimenzije ...
Cavitation Properties of Rendering Mortars with Micro Silica Addition
(Međunarodni Institut za nauku o sinterovanju, Beograd, 2021)
Micro-silica is a highly efficient mineral additive whose role is reflected in improvements of microstructure packing, strength and durability of non-shaped composite building materials such as concrete and mortar. A ...
Structural integrity assessment of welded bucket-wheel boom
(Institut za ispitivanje materijala, Beograd, 2021)
Research is conducted on the causes of damage and the structural integrity assessment of the bucket-wheel boom welded lattice structures, before and after the repair of vital structures. Additionally, the paper describes ...
Mehanizmi i morfologije kavitacionog oštećenja čelika Nionikral 70 / Mechanisms and morphologies of cavitation damage of NN 70 steel
(Inženjersko društvo za koroziju, Beograd, 2021)
Polomljene epruvete za ispitivanje niskocikličnim zamorom čelika Nionikral 70 (NN-70) osnovnog materijala (OM) i simulirane zone pod uticajem toplote (SZUT) poslužile su NAM za izradu uzoraka za ispitivanje otpornosti na ...
Determination of the Coffin-Manson equation under low-cycle fatigue conditions
(Institut za ispitivanje materijala, Beograd, 2021)
The cycle loading of a material results in the modification of its properties and so in this paper is presented the behaviour of the fatigue life using low-cycle fatigue parameters. By applying the Coffin-Manson equation ...
An analysis of impact testing of high strength low-alloy steels used in ship construction
(Univ Zagreb Fac Mechanical Engineering & Naval Architecture, Zagreb, 2021)
Brittle damages have been examined widely since welding became common practice when it comes to carrying out robust structures. Welded structure of the ship hull has to be continuous. Brittle damages that occur on hull ...
Comparative analysis of current standards for testing thermal protection of facade carpentry
(Regional Association for Security and Crisis Management-RASEC S4 GLOSEC Global Security, 2021)
The low level of energy efficiency in buildings results in increased energy
consumption for heating and cooling and high carbon dioxide emissions. Insufficient
thermal protection of the exterior of a building contributes ...