TY  - CONF
AU  - Nikolić, Nebojša D.
AU  - Ivanović, Evica
AU  - Branković, Goran
AU  - Lačnjevac, Uroš Č.
AU  - Stevanović, Sanja I.
AU  - Stevanović, Jasmina S.
AU  - Pavlović, Miomir G.
PY  - 2015
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/3713
AB  - Lead granules synthesized by the potentiostatic regime of electrolysis were characterized by the scanning electron microscopy technique. Effect of the different parameters of electrolysis, such as solution composition, overpotential of electrodeposition, and quantity of the electricity, on lead granular growth has been systematically investigated. Aside from the electrochemical aspects of lead granular growth, crystallographic aspects of the obtained granules were also analyzed. In the dependence of the electrodeposition conditions, granules of various shapes were obtained. The granules, such as octahedrons and hexagons, as well as many various types of twinned particles: single-twinned, multiply-twinned, lamellar-twinned, and many other complicated shapes denoted as polyparticles, were synthesized through regulation of the parameters of electrolysis. Increasing both the concentration of Pb2+ ions and overpotential of the electrodeposition favored the formation of more complicated forms. Formation of granules of specified crystallographic characteristics was also correlated with the basic principle of metal electrocrystallization.
PB  - Springer, New York
C3  - Metallurgical and Materials Transactions B-Process Metallurgy and Materials Processing Science
T1  - Electrochemical and Crystallographic Aspects of Lead Granular Growth
EP  - 1774
IS  - 4
SP  - 1760
VL  - 46
DO  - 10.1007/s11663-015-0385-z
ER  - 

@conference{
author = "Nikolić, Nebojša D. and Ivanović, Evica and Branković, Goran and Lačnjevac, Uroš Č. and Stevanović, Sanja I. and Stevanović, Jasmina S. and Pavlović, Miomir G.",
year = "2015",
abstract = "Lead granules synthesized by the potentiostatic regime of electrolysis were characterized by the scanning electron microscopy technique. Effect of the different parameters of electrolysis, such as solution composition, overpotential of electrodeposition, and quantity of the electricity, on lead granular growth has been systematically investigated. Aside from the electrochemical aspects of lead granular growth, crystallographic aspects of the obtained granules were also analyzed. In the dependence of the electrodeposition conditions, granules of various shapes were obtained. The granules, such as octahedrons and hexagons, as well as many various types of twinned particles: single-twinned, multiply-twinned, lamellar-twinned, and many other complicated shapes denoted as polyparticles, were synthesized through regulation of the parameters of electrolysis. Increasing both the concentration of Pb2+ ions and overpotential of the electrodeposition favored the formation of more complicated forms. Formation of granules of specified crystallographic characteristics was also correlated with the basic principle of metal electrocrystallization.",
publisher = "Springer, New York",
journal = "Metallurgical and Materials Transactions B-Process Metallurgy and Materials Processing Science",
title = "Electrochemical and Crystallographic Aspects of Lead Granular Growth",
pages = "1774-1760",
number = "4",
volume = "46",
doi = "10.1007/s11663-015-0385-z"
}

Nikolić, N. D., Ivanović, E., Branković, G., Lačnjevac, U. Č., Stevanović, S. I., Stevanović, J. S.,& Pavlović, M. G.. (2015). Electrochemical and Crystallographic Aspects of Lead Granular Growth. in Metallurgical and Materials Transactions B-Process Metallurgy and Materials Processing Science
Springer, New York., 46(4), 1760-1774.
https://doi.org/10.1007/s11663-015-0385-z

Nikolić ND, Ivanović E, Branković G, Lačnjevac UČ, Stevanović SI, Stevanović JS, Pavlović MG. Electrochemical and Crystallographic Aspects of Lead Granular Growth. in Metallurgical and Materials Transactions B-Process Metallurgy and Materials Processing Science. 2015;46(4):1760-1774.
doi:10.1007/s11663-015-0385-z .

Nikolić, Nebojša D., Ivanović, Evica, Branković, Goran, Lačnjevac, Uroš Č., Stevanović, Sanja I., Stevanović, Jasmina S., Pavlović, Miomir G., "Electrochemical and Crystallographic Aspects of Lead Granular Growth" in Metallurgical and Materials Transactions B-Process Metallurgy and Materials Processing Science, 46, no. 4 (2015):1760-1774,
https://doi.org/10.1007/s11663-015-0385-z . .

TY  - JOUR
AU  - Obradović, R.
AU  - Cinkler, J.
AU  - Lačnjevac, Časlav
AU  - Krstić, M.
AU  - Jelić, Sreten
AU  - Lačnjevac, Uroš Č.
PY  - 2009
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/2079
AB  - Concrete is a widely used material in the construction industry. It is obtained by mixing cement as a binding agent and inert or only partly reactive aggregates as fillers. In order to increase its bearing power concerning extension it is fitted with steel elements as armature. It is usually believed that the concrete provides the steel armature, embedded into it, with the protection against the corrosion regarding the high alkalinity that takes place during the hydration reactions and which retains as the solution in the concrete pores. Regardless of the aforesaid the corrosion of the steel armature in the concrete occurs due to the effect of a number of factors including the contamination of the concrete by chlorine ions, carbonation of the concrete and the like. As a consequence of this corrosion the formation of corrosion products that are in terms of volume much bigger than the in-built metal takes place and that results in the additional stress to extension of the material of the concrete. As the concrete is weak to strains by extension these forces lead to the occurrence of cracks, detachment and braking away of the concrete cover layer from the armature. Further corrosion that can endanger the lifetime of the entire structure develops on the in-built armature. This problem occurs with the reinforced concrete constructions such as bridges, dams and suchlike. Therefore it is by all means necessary to protect additionally the steel armature in the concrete against the effects of the corrosion. .
AB  - Beton je veoma raširen kao materijal u građevinarstvu. Dobija se mešanjem cementa kao vezivnog sredstva i inertnih ili samo delimično reaktivnih agregata kao punila. Za povećanje njegove nosivosti s obzirom na istezanje u njega se ugrađuju čelični elementi kao armatura. Normalno se smatra da beton pruža zaštitu čeličnoj armaturi koja je u njega ulivena od korozije s obzirom na jaku alkalnost do koje dolazi u toku hidratacionih reakcija i koja se zadržava kao rastvor u porama betona. Bez obzira na izloženo do korozije čelične armature u betonu dolazi usled delovanja više faktora, uključujući kontaminaciju betona hlornim ionom, karbonacijom betona i sl. Usled ove korozije dolazi do stvaranja korozionih produkata koji su zapreminski mnogo veći od ugrađenog metala što dovodi do dodatnog naprezanja na razvlačenje materijala betona. Kako je beton slab na opterećenja, razvlačenjem ove sile dovode do pojave naprslina, odvajanja i otpadanja betonskog prekrivnog sloja sa armature. Na izloženoj armaturi dolazi do dalje korozije, koja može ugroziti vek trajanja cele strukture. Ovaj problem se javlja kod armirano-betonskih konstrukcija kao što su mostovi, brane i sl. .
PB  - Udruženje za tehnologiju vode i sanitarno inžinjerstvo, Beograd
T2  - Voda i sanitarna tehnika
T1  - Cathodic protection of reinforced concrete structures in objects of water-supply and sewage systems
T1  - Katodna zaštita armirano-betonskih konstrukcija na objektima vodovoda i kanalizacije
EP  - 64
IS  - 2
SP  - 59
VL  - 39
UR  - https://hdl.handle.net/21.15107/rcub_agrospace_2079
ER  - 

@article{
author = "Obradović, R. and Cinkler, J. and Lačnjevac, Časlav and Krstić, M. and Jelić, Sreten and Lačnjevac, Uroš Č.",
year = "2009",
abstract = "Concrete is a widely used material in the construction industry. It is obtained by mixing cement as a binding agent and inert or only partly reactive aggregates as fillers. In order to increase its bearing power concerning extension it is fitted with steel elements as armature. It is usually believed that the concrete provides the steel armature, embedded into it, with the protection against the corrosion regarding the high alkalinity that takes place during the hydration reactions and which retains as the solution in the concrete pores. Regardless of the aforesaid the corrosion of the steel armature in the concrete occurs due to the effect of a number of factors including the contamination of the concrete by chlorine ions, carbonation of the concrete and the like. As a consequence of this corrosion the formation of corrosion products that are in terms of volume much bigger than the in-built metal takes place and that results in the additional stress to extension of the material of the concrete. As the concrete is weak to strains by extension these forces lead to the occurrence of cracks, detachment and braking away of the concrete cover layer from the armature. Further corrosion that can endanger the lifetime of the entire structure develops on the in-built armature. This problem occurs with the reinforced concrete constructions such as bridges, dams and suchlike. Therefore it is by all means necessary to protect additionally the steel armature in the concrete against the effects of the corrosion. ., Beton je veoma raširen kao materijal u građevinarstvu. Dobija se mešanjem cementa kao vezivnog sredstva i inertnih ili samo delimično reaktivnih agregata kao punila. Za povećanje njegove nosivosti s obzirom na istezanje u njega se ugrađuju čelični elementi kao armatura. Normalno se smatra da beton pruža zaštitu čeličnoj armaturi koja je u njega ulivena od korozije s obzirom na jaku alkalnost do koje dolazi u toku hidratacionih reakcija i koja se zadržava kao rastvor u porama betona. Bez obzira na izloženo do korozije čelične armature u betonu dolazi usled delovanja više faktora, uključujući kontaminaciju betona hlornim ionom, karbonacijom betona i sl. Usled ove korozije dolazi do stvaranja korozionih produkata koji su zapreminski mnogo veći od ugrađenog metala što dovodi do dodatnog naprezanja na razvlačenje materijala betona. Kako je beton slab na opterećenja, razvlačenjem ove sile dovode do pojave naprslina, odvajanja i otpadanja betonskog prekrivnog sloja sa armature. Na izloženoj armaturi dolazi do dalje korozije, koja može ugroziti vek trajanja cele strukture. Ovaj problem se javlja kod armirano-betonskih konstrukcija kao što su mostovi, brane i sl. .",
publisher = "Udruženje za tehnologiju vode i sanitarno inžinjerstvo, Beograd",
journal = "Voda i sanitarna tehnika",
title = "Cathodic protection of reinforced concrete structures in objects of water-supply and sewage systems, Katodna zaštita armirano-betonskih konstrukcija na objektima vodovoda i kanalizacije",
pages = "64-59",
number = "2",
volume = "39",
url = "https://hdl.handle.net/21.15107/rcub_agrospace_2079"
}

Obradović, R., Cinkler, J., Lačnjevac, Č., Krstić, M., Jelić, S.,& Lačnjevac, U. Č.. (2009). Cathodic protection of reinforced concrete structures in objects of water-supply and sewage systems. in Voda i sanitarna tehnika
Udruženje za tehnologiju vode i sanitarno inžinjerstvo, Beograd., 39(2), 59-64.
https://hdl.handle.net/21.15107/rcub_agrospace_2079

Obradović R, Cinkler J, Lačnjevac Č, Krstić M, Jelić S, Lačnjevac UČ. Cathodic protection of reinforced concrete structures in objects of water-supply and sewage systems. in Voda i sanitarna tehnika. 2009;39(2):59-64.
https://hdl.handle.net/21.15107/rcub_agrospace_2079 .

Obradović, R., Cinkler, J., Lačnjevac, Časlav, Krstić, M., Jelić, Sreten, Lačnjevac, Uroš Č., "Cathodic protection of reinforced concrete structures in objects of water-supply and sewage systems" in Voda i sanitarna tehnika, 39, no. 2 (2009):59-64,
https://hdl.handle.net/21.15107/rcub_agrospace_2079 .

TY  - JOUR
AU  - Rajković, Miloš
AU  - Lačnjevac, Uroš Č.
AU  - Baščarević, Zvezdana
AU  - Rajković, Teodora M.
AU  - Tošković, Dragan V.
AU  - Stanojević, Dušan D.
PY  - 2008
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/1679
AB  - Sample of scale which taken from house boiler is examined. This scale is made by warming drinking water from water-supply system of the -city of Belgrade - New Belgrade. Examinations on atomic absorption spectrophotometer (AAS) showed that there was mostly calcium, like CaO, for 48.90 % of mass which means calculated on contents CaCO3 takes 87.32 % of mass. Research on diffraction meter showed that scale is composed of CaCO3 (in % of mass) (85.25%), MgCO3 (11.05%), FeCO3 (1.90%) and MnCO3 (1.80%). It was also proved that scale is mixture of 66.92 % Mg calcite and 33.07 % aragonite. This structure is result of fact that Mg calcite and aragonite are become in quiet conditions of sedimentation of half shut skin-deep water surrounding on temperature between 60 and 100°C (nearest about 80°C) and low pressure.
AB  - Ispitivan je uzorak kamenca koji je uzet sa kućnog bojlera nastao zagrevanjem vode za piće koja se nalazi u vodovodnoj mreži grada Beograda - Novi Beograd (blokovi). Ispitivanja na atomskom apsorpcionom spektrofotometru ukazala su da se nalazi dominantno kalcijum, kao CaO i to 48,90%, što preračunato na sadržaj CaCO3 iznosi 87,32%. Snimanja na difraktometru ukazala su da se kamenac sastoji od CaCO3 (85,25%), MgCO3 (11,05%), FeCO3 (1,90%) i MnCO3 (1,80%). Takođe je dokazano da je kamenac mešavina koja se sastoji od 66,92 % kalcita i 33,07% aragonita. Ovakav sastav posledica je činjenice da su kalcit i aragonit nastali u mirnijim uslovima sedimentacije u poluzatvorenoj plitkovodnoj sredini na temperaturi između 60 i 100°C (najbliže oko 80°C) i pri niskom pritisku.
PB  - Inženjersko društvo za koroziju, Beograd
T2  - Zaštita materijala
T1  - Determination of crystalline structure of calcium carbonate obtained from drinking water
T1  - Određivanje kristalne strukture kalcijum-karbonata dobijenog iz vode za piće
EP  - 50
IS  - 2
SP  - 43
VL  - 49
UR  - https://hdl.handle.net/21.15107/rcub_agrospace_1679
ER  - 

@article{
author = "Rajković, Miloš and Lačnjevac, Uroš Č. and Baščarević, Zvezdana and Rajković, Teodora M. and Tošković, Dragan V. and Stanojević, Dušan D.",
year = "2008",
abstract = "Sample of scale which taken from house boiler is examined. This scale is made by warming drinking water from water-supply system of the -city of Belgrade - New Belgrade. Examinations on atomic absorption spectrophotometer (AAS) showed that there was mostly calcium, like CaO, for 48.90 % of mass which means calculated on contents CaCO3 takes 87.32 % of mass. Research on diffraction meter showed that scale is composed of CaCO3 (in % of mass) (85.25%), MgCO3 (11.05%), FeCO3 (1.90%) and MnCO3 (1.80%). It was also proved that scale is mixture of 66.92 % Mg calcite and 33.07 % aragonite. This structure is result of fact that Mg calcite and aragonite are become in quiet conditions of sedimentation of half shut skin-deep water surrounding on temperature between 60 and 100°C (nearest about 80°C) and low pressure., Ispitivan je uzorak kamenca koji je uzet sa kućnog bojlera nastao zagrevanjem vode za piće koja se nalazi u vodovodnoj mreži grada Beograda - Novi Beograd (blokovi). Ispitivanja na atomskom apsorpcionom spektrofotometru ukazala su da se nalazi dominantno kalcijum, kao CaO i to 48,90%, što preračunato na sadržaj CaCO3 iznosi 87,32%. Snimanja na difraktometru ukazala su da se kamenac sastoji od CaCO3 (85,25%), MgCO3 (11,05%), FeCO3 (1,90%) i MnCO3 (1,80%). Takođe je dokazano da je kamenac mešavina koja se sastoji od 66,92 % kalcita i 33,07% aragonita. Ovakav sastav posledica je činjenice da su kalcit i aragonit nastali u mirnijim uslovima sedimentacije u poluzatvorenoj plitkovodnoj sredini na temperaturi između 60 i 100°C (najbliže oko 80°C) i pri niskom pritisku.",
publisher = "Inženjersko društvo za koroziju, Beograd",
journal = "Zaštita materijala",
title = "Determination of crystalline structure of calcium carbonate obtained from drinking water, Određivanje kristalne strukture kalcijum-karbonata dobijenog iz vode za piće",
pages = "50-43",
number = "2",
volume = "49",
url = "https://hdl.handle.net/21.15107/rcub_agrospace_1679"
}

Rajković, M., Lačnjevac, U. Č., Baščarević, Z., Rajković, T. M., Tošković, D. V.,& Stanojević, D. D.. (2008). Determination of crystalline structure of calcium carbonate obtained from drinking water. in Zaštita materijala
Inženjersko društvo za koroziju, Beograd., 49(2), 43-50.
https://hdl.handle.net/21.15107/rcub_agrospace_1679

Rajković M, Lačnjevac UČ, Baščarević Z, Rajković TM, Tošković DV, Stanojević DD. Determination of crystalline structure of calcium carbonate obtained from drinking water. in Zaštita materijala. 2008;49(2):43-50.
https://hdl.handle.net/21.15107/rcub_agrospace_1679 .

Rajković, Miloš, Lačnjevac, Uroš Č., Baščarević, Zvezdana, Rajković, Teodora M., Tošković, Dragan V., Stanojević, Dušan D., "Determination of crystalline structure of calcium carbonate obtained from drinking water" in Zaštita materijala, 49, no. 2 (2008):43-50,
https://hdl.handle.net/21.15107/rcub_agrospace_1679 .