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Uticaj mehaničke aktivacije na sistem MgO-Al2O3-SiO2 u prisustvu aditiva TeO2 / Influence of mechanical activation on MgO-Al2O3-SiO2 system in the presence of TeO2 additive
(Savez inženjera i tehničara Srbije, Beograd, 2016)
Ova istraživanja posvećena su uticaju mehaničke aktivacije na strukturu kordijeritne smeše 2MgO+2Al2O3+5SiO2. Praćena su i testirana dva paralelna sistema, jedan bez, i drugi u prisustvu 5 masenih % TeO2 kao aditiva. ...
DTA/TG analysis of mechanochemicaly activated sodium carbonate
(Univerzitet u Beogradu - Rudarsko-geološki fakultet, Beograd, 2021)
Sodium carbonate is a material that is very good sorbent of carbon dioxide from the atmosphere, and it is a reason of it is increasing importance in environmental protection. In order to improve it is sorption characteristics, ...
Transformations of mechanochemical activated Na2CO3
(Univerzitet u Beogradu - Rudarsko-geološki fakultet, Beograd, 2022)
During mechanical activation, energy of treated material is increase to a higher level. This can lead to chemical transformation of the activated material. This is the point where we can talk about mechanochemical ...
Uticaj mehaničke energije na komponente MgO-Al2O3-SiO2-TiO2 sistema / Influence of mechanical activation on the constituents of the MgO-Al2O3-SiO2-TiO2 system
(Savez inženjera i tehničara Srbije, Beograd, 2012)
U ovom radu je ispitivan uticaj mehaničke energije na strukturu i promene u mikrostrukturi sistema MgO-Al2O3-SiO2-TiO2. Utvrđeno je da mehanička energija pospešuje homogenizaciju polaznih komponenti, utiče na veličinu i ...
Hydration of mechanically activated mixtures of Portland cement and fly ash
(University of Chemistry and Technology, Prague, 2007)
Fly ash (FA) can be used in cement mixtures with certain limitations. For experimental purposes, mixtures of Portland cement (PC) and FA were used. The content of FA in the mixtures was either 30% or 50%. The mechanical ...
The influence of mechanical activation of starting components on kinetics of cordierite formation
(Univerzitet u Beogradu - Tehnički fakultet u Boru, Beograd, 2001)
Mechanical activation of simple and complex powder systems is very often used as a method for modification of physico-chemical properties in technologies for obtaining advanced materials. The present work reports on ...
Electrical properties of mechanochemically activated cordierite ceramics
(Springer, New York, 2012)
Three-component oxide mixtures were prepared containing MgO, Al (2) O (3) and SiO (2) in a 2 : 2 : 5 ratio with addition of 10% Bi (2) O (3). The mixtures were mechanically activated in a range from 5 to 240 min in a mill ...
FTIR spectroscopy analysis of mechanochemically activated Na2CO3 during relaxation time
(Belgrade : University of Belgrade, Faculty of Mechanical EngineeringKragujevac : Serbian Tribology Society, 2021)
Sodium carbonate was mechanically activated for 7 minutes in a vibro mill at a frequency of 3000 oscillations per
minute. Activated samples were stored in the air at room conditions for 31 days. To monitor the kinetics ...
The effects of the phosphates mechanical activation
(Paris : Atlantis Press, 2016)
The investigation was conducted with an aim to increase the reactivity of the comminuted phosphate ore and to establish the optimal mechanical activation period of the grain mixture. In order to obtain complete insight ...
Analysis of changes of mechanically activated sodium carbonate sample
(Bor : University of Belgrade, Technical Faculty in Bor, 2022)
For mechanical activation of sodium carbonate, a vibro mill at a frequency of 3000 oscillations per
minute was used for 28 minutes. After activation, samples were placed for 31 days in the air at room
conditions. In aim ...