TY  - JOUR
AU  - Najdenov, Ivan
AU  - Kokeza, Gordana
AU  - Raić, Karlo
AU  - Odanović, Zoran
PY  - 2014
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2622
AB  - This work presents comparative analysis of energy consumption in copper production by 'standard' treatment (roasting in fluo-solid reactor and melting in reverberatory furnace) in Melting Plant in Bor with modern autogenous procedures. All forms of expended energy are reduced to primary energy or to the same energy form, i.e. to energy equivalent of process (EEP), raw material and process material, and also, energy equivalent of process and waste products (water vapour, thermal energy and similar) are balanced. To complete all energy generating products consumption in copper production, they are reduced to conditional fuel (coal equivalent=29,3 MJ/kg). It can be concluded that energy cost has large participation in the total costs, and efficient and competition of the process could be improved with reduction of that costs.
AB  - Ovaj rad predstavlja uporednu analizu potrošnje energije u proizvodnji bakra 'standardnim' postupkom (prženje u fluosolid reaktoru i topljenje u plamenoj peći) u topionici bakra u Boru sa savremenim autogenim postupcima topljenja. Za analizu je korišćena orginalna metodologija koja podrazumeva da su svi oblici utrošene energije svedeni na primarnu energiju ili na isti oblik, tj. na ekvivalent energije procesa (EEP) sirovina i procesnih materijala. Takođe su bilansirani i ekvivalenti energije procesa i nus proizvoda (vodena para, toplotna energija). U cilju kompletiranja potrošnje svih oblika energije koji nastaju u proizvodnji bakra, dati oblici energije svedeni su i na uslovno gorivo (ekvivalent uglja=29,3 MJ/kg). U radu je razmatrana i zamena zastarele tehnologije odgovarajućom autogenom tehnologijom topljenja, čime se doprinosi optimizaciji potrošnje energije, modernizaciji procesa, kao i većoj proizvodnji bakra u RTB-u Bor. Na taj način se zaključuje da se snižavanjem troškova energije, koji imaju znatno učešće u ukupnim troškovima, može bitno unaprediti efikasnost i konkurentnost predloženog procesa topljenja bakra.
PB  - Savez energetičara Jugoslavije, Beograd
T2  - Energija, ekonomija, ekologija
T1  - Tehno-ekonomski aspekti smanjenja potrošnje energije uvođenjem autogenog postupka topljenja bakra -na primeru Topionice bakra u Boru
EP  - 219
IS  - 1-2
SP  - 212
VL  - 16
UR  - https://hdl.handle.net/21.15107/rcub_technorep_2622
ER  - 

@article{
author = "Najdenov, Ivan and Kokeza, Gordana and Raić, Karlo and Odanović, Zoran",
year = "2014",
abstract = "This work presents comparative analysis of energy consumption in copper production by 'standard' treatment (roasting in fluo-solid reactor and melting in reverberatory furnace) in Melting Plant in Bor with modern autogenous procedures. All forms of expended energy are reduced to primary energy or to the same energy form, i.e. to energy equivalent of process (EEP), raw material and process material, and also, energy equivalent of process and waste products (water vapour, thermal energy and similar) are balanced. To complete all energy generating products consumption in copper production, they are reduced to conditional fuel (coal equivalent=29,3 MJ/kg). It can be concluded that energy cost has large participation in the total costs, and efficient and competition of the process could be improved with reduction of that costs., Ovaj rad predstavlja uporednu analizu potrošnje energije u proizvodnji bakra 'standardnim' postupkom (prženje u fluosolid reaktoru i topljenje u plamenoj peći) u topionici bakra u Boru sa savremenim autogenim postupcima topljenja. Za analizu je korišćena orginalna metodologija koja podrazumeva da su svi oblici utrošene energije svedeni na primarnu energiju ili na isti oblik, tj. na ekvivalent energije procesa (EEP) sirovina i procesnih materijala. Takođe su bilansirani i ekvivalenti energije procesa i nus proizvoda (vodena para, toplotna energija). U cilju kompletiranja potrošnje svih oblika energije koji nastaju u proizvodnji bakra, dati oblici energije svedeni su i na uslovno gorivo (ekvivalent uglja=29,3 MJ/kg). U radu je razmatrana i zamena zastarele tehnologije odgovarajućom autogenom tehnologijom topljenja, čime se doprinosi optimizaciji potrošnje energije, modernizaciji procesa, kao i većoj proizvodnji bakra u RTB-u Bor. Na taj način se zaključuje da se snižavanjem troškova energije, koji imaju znatno učešće u ukupnim troškovima, može bitno unaprediti efikasnost i konkurentnost predloženog procesa topljenja bakra.",
publisher = "Savez energetičara Jugoslavije, Beograd",
journal = "Energija, ekonomija, ekologija",
title = "Tehno-ekonomski aspekti smanjenja potrošnje energije uvođenjem autogenog postupka topljenja bakra -na primeru Topionice bakra u Boru",
pages = "219-212",
number = "1-2",
volume = "16",
url = "https://hdl.handle.net/21.15107/rcub_technorep_2622"
}

Najdenov, I., Kokeza, G., Raić, K.,& Odanović, Z.. (2014). Tehno-ekonomski aspekti smanjenja potrošnje energije uvođenjem autogenog postupka topljenja bakra -na primeru Topionice bakra u Boru. in Energija, ekonomija, ekologija
Savez energetičara Jugoslavije, Beograd., 16(1-2), 212-219.
https://hdl.handle.net/21.15107/rcub_technorep_2622

Najdenov I, Kokeza G, Raić K, Odanović Z. Tehno-ekonomski aspekti smanjenja potrošnje energije uvođenjem autogenog postupka topljenja bakra -na primeru Topionice bakra u Boru. in Energija, ekonomija, ekologija. 2014;16(1-2):212-219.
https://hdl.handle.net/21.15107/rcub_technorep_2622 .

Najdenov, Ivan, Kokeza, Gordana, Raić, Karlo, Odanović, Zoran, "Tehno-ekonomski aspekti smanjenja potrošnje energije uvođenjem autogenog postupka topljenja bakra -na primeru Topionice bakra u Boru" in Energija, ekonomija, ekologija, 16, no. 1-2 (2014):212-219,
https://hdl.handle.net/21.15107/rcub_technorep_2622 .

TY  - CONF
AU  - Katavić, Boris T.
AU  - Gligorijević, Bojan R.
AU  - Alil, Ana
AU  - Odanović, Zoran
PY  - 2013
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/6190
AB  - The precipitation behavior of W-rich phase on the specific matrix locations of 
Co-free and Co-containing 92.5W-5Ni-2.5Fe heavy alloys is investigated during 
aging of the as-quenched samples. The aging treatment is performed between 600 
°C (873 K) and 800 °C (1073 K) and for aging time up to 9 hours. The average 
chemical composition of tungsten heavy alloys was determined by using the atomic 
absorption spectrophotometry (AAS) and the Leco apparatus. The Energy 
Dispersive X-ray (EDX) analysis was employed to analyze the chemistry of the 
existing phases. The changes in structure as a function of aging time and 
temperature have been examined by using the light microscopy (LM) and the 
scaning electron microscopy (SEM). The macro- and micro-hardness 
measurements were performed, as well. The local changes in matrix structure and 
various morphologies of the precipitates are observed. The aging has caused only 
a minor changes of the micro-hardness of the existing phases (γ and W-rich) as 
well as the macro-hardness of the investigated alloys. In the case of the Co-free 
92.5W-5Ni-2.5Fe heavy alloy, at lower temperatures and for shorter time of aging, 
there is a dominant presence of lamellar and Widmanstätten morphology of W-rich 
precipitates within the γ-matrix grains. At higher temperatures and for longer time, 
there is a significant precipitation of W-rich precipitates at the matrix grain 
boundaries (γ/γ). In the case of 92.5W-5Ni-2.5Fe heavy alloy micro-alloyed with 
Co, it is dominant precipitation of W-rich phase at the matrix grain boundaries (γ/γ), 
especially at higher aging temperatures and for longer aging time.
PB  - Association of Metallurgical Engineers of Serbia (AMES), Beograd
C3  - Programme and book of abstracts of the 1st Metallurgical and Materials Engineering Congress of South-East Europe
T1  - The effects of aging on the precipitation of the W-rich phase in the matrix of the 92.5W-5Ni-2,5Fe powder metallurgy heavy alloys
SP  - 435
UR  - https://hdl.handle.net/21.15107/rcub_technorep_6190
ER  - 

@conference{
author = "Katavić, Boris T. and Gligorijević, Bojan R. and Alil, Ana and Odanović, Zoran",
year = "2013",
abstract = "The precipitation behavior of W-rich phase on the specific matrix locations of 
Co-free and Co-containing 92.5W-5Ni-2.5Fe heavy alloys is investigated during 
aging of the as-quenched samples. The aging treatment is performed between 600 
°C (873 K) and 800 °C (1073 K) and for aging time up to 9 hours. The average 
chemical composition of tungsten heavy alloys was determined by using the atomic 
absorption spectrophotometry (AAS) and the Leco apparatus. The Energy 
Dispersive X-ray (EDX) analysis was employed to analyze the chemistry of the 
existing phases. The changes in structure as a function of aging time and 
temperature have been examined by using the light microscopy (LM) and the 
scaning electron microscopy (SEM). The macro- and micro-hardness 
measurements were performed, as well. The local changes in matrix structure and 
various morphologies of the precipitates are observed. The aging has caused only 
a minor changes of the micro-hardness of the existing phases (γ and W-rich) as 
well as the macro-hardness of the investigated alloys. In the case of the Co-free 
92.5W-5Ni-2.5Fe heavy alloy, at lower temperatures and for shorter time of aging, 
there is a dominant presence of lamellar and Widmanstätten morphology of W-rich 
precipitates within the γ-matrix grains. At higher temperatures and for longer time, 
there is a significant precipitation of W-rich precipitates at the matrix grain 
boundaries (γ/γ). In the case of 92.5W-5Ni-2.5Fe heavy alloy micro-alloyed with 
Co, it is dominant precipitation of W-rich phase at the matrix grain boundaries (γ/γ), 
especially at higher aging temperatures and for longer aging time.",
publisher = "Association of Metallurgical Engineers of Serbia (AMES), Beograd",
journal = "Programme and book of abstracts of the 1st Metallurgical and Materials Engineering Congress of South-East Europe",
title = "The effects of aging on the precipitation of the W-rich phase in the matrix of the 92.5W-5Ni-2,5Fe powder metallurgy heavy alloys",
pages = "435",
url = "https://hdl.handle.net/21.15107/rcub_technorep_6190"
}

Katavić, B. T., Gligorijević, B. R., Alil, A.,& Odanović, Z.. (2013). The effects of aging on the precipitation of the W-rich phase in the matrix of the 92.5W-5Ni-2,5Fe powder metallurgy heavy alloys. in Programme and book of abstracts of the 1st Metallurgical and Materials Engineering Congress of South-East Europe
Association of Metallurgical Engineers of Serbia (AMES), Beograd., 435.
https://hdl.handle.net/21.15107/rcub_technorep_6190

Katavić BT, Gligorijević BR, Alil A, Odanović Z. The effects of aging on the precipitation of the W-rich phase in the matrix of the 92.5W-5Ni-2,5Fe powder metallurgy heavy alloys. in Programme and book of abstracts of the 1st Metallurgical and Materials Engineering Congress of South-East Europe. 2013;:435.
https://hdl.handle.net/21.15107/rcub_technorep_6190 .

Katavić, Boris T., Gligorijević, Bojan R., Alil, Ana, Odanović, Zoran, "The effects of aging on the precipitation of the W-rich phase in the matrix of the 92.5W-5Ni-2,5Fe powder metallurgy heavy alloys" in Programme and book of abstracts of the 1st Metallurgical and Materials Engineering Congress of South-East Europe (2013):435,
https://hdl.handle.net/21.15107/rcub_technorep_6190 .

TY  - CONF
AU  - Katavić, Boris T.
AU  - Gligorijević, Bojan R.
AU  - Alil, Ana
AU  - Odanović, Zoran
AU  - Đurđević, Mile
PY  - 2011
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/6095
AB  - This work deals with effects of hot plastic deformation process and subsequent heat treatment on structure and mechanical properties of centrifugally cast (CC) high strength CrMoNb steel tubes. Plate samples, taken from CC tubes, were homogenized and subsequently hot rolled. One serie of samples was soft-annealed (SA) and other series oil-quenched and tempered (QT) between 373-923 K. Primary and secondary structures, non-metallic inclusions in radial direction and prior austenite grain size were analyzed using bright-field and polarized light microsopy. Experimental mechanical properties of SA and QT samples were modeled by means of polynomial functions and correlated with structure properties.
PB  - TECHNICAL FACULTY IN BORUNIVERSITY OF BELGRADE and MINING AND METALLURGY INSTITUTE BOR, Srbija
C3  - Proceedings of the 43rd International October Conference on Mining and Metallurgy 2011
T1  - PLASTIC DEFORMATION AND HEAT TREATMENT OF THIN WALLED CENTRIFUGALLY CAST HIGH STRENGTH CrMoNb STEEL TUBES
EP  - 337
SP  - 333
UR  - https://hdl.handle.net/21.15107/rcub_technorep_6095
ER  - 

@conference{
author = "Katavić, Boris T. and Gligorijević, Bojan R. and Alil, Ana and Odanović, Zoran and Đurđević, Mile",
year = "2011",
abstract = "This work deals with effects of hot plastic deformation process and subsequent heat treatment on structure and mechanical properties of centrifugally cast (CC) high strength CrMoNb steel tubes. Plate samples, taken from CC tubes, were homogenized and subsequently hot rolled. One serie of samples was soft-annealed (SA) and other series oil-quenched and tempered (QT) between 373-923 K. Primary and secondary structures, non-metallic inclusions in radial direction and prior austenite grain size were analyzed using bright-field and polarized light microsopy. Experimental mechanical properties of SA and QT samples were modeled by means of polynomial functions and correlated with structure properties.",
publisher = "TECHNICAL FACULTY IN BORUNIVERSITY OF BELGRADE and MINING AND METALLURGY INSTITUTE BOR, Srbija",
journal = "Proceedings of the 43rd International October Conference on Mining and Metallurgy 2011",
title = "PLASTIC DEFORMATION AND HEAT TREATMENT OF THIN WALLED CENTRIFUGALLY CAST HIGH STRENGTH CrMoNb STEEL TUBES",
pages = "337-333",
url = "https://hdl.handle.net/21.15107/rcub_technorep_6095"
}

Katavić, B. T., Gligorijević, B. R., Alil, A., Odanović, Z.,& Đurđević, M.. (2011). PLASTIC DEFORMATION AND HEAT TREATMENT OF THIN WALLED CENTRIFUGALLY CAST HIGH STRENGTH CrMoNb STEEL TUBES. in Proceedings of the 43rd International October Conference on Mining and Metallurgy 2011
TECHNICAL FACULTY IN BORUNIVERSITY OF BELGRADE and MINING AND METALLURGY INSTITUTE BOR, Srbija., 333-337.
https://hdl.handle.net/21.15107/rcub_technorep_6095

Katavić BT, Gligorijević BR, Alil A, Odanović Z, Đurđević M. PLASTIC DEFORMATION AND HEAT TREATMENT OF THIN WALLED CENTRIFUGALLY CAST HIGH STRENGTH CrMoNb STEEL TUBES. in Proceedings of the 43rd International October Conference on Mining and Metallurgy 2011. 2011;:333-337.
https://hdl.handle.net/21.15107/rcub_technorep_6095 .

Katavić, Boris T., Gligorijević, Bojan R., Alil, Ana, Odanović, Zoran, Đurđević, Mile, "PLASTIC DEFORMATION AND HEAT TREATMENT OF THIN WALLED CENTRIFUGALLY CAST HIGH STRENGTH CrMoNb STEEL TUBES" in Proceedings of the 43rd International October Conference on Mining and Metallurgy 2011 (2011):333-337,
https://hdl.handle.net/21.15107/rcub_technorep_6095 .

TY  - JOUR
AU  - Jegdić, Bore
AU  - Alil, Ana
AU  - Milutinović, Zlatan R.
AU  - Odanović, Zoran
AU  - Gligorijević, Bojan
AU  - Katavić, Boris T.
PY  - 2011
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/1937
AB  - The sensitization degree of austenitic stainless steel welded joints was investigated by electrochemical methods of the double loop electrochemical potentiokinetic reactivation (DL EPR) in H(2)SO(4) + KSCN solution, and by the measurement of corrosion potential of the steel in the drop of the solution of HNO(3) + FeCl(3) + HCl. The welded joints were tested by X-ray radiographic method in order to check the presence of the weld defects. The grain sizes of the base metal and the welded joints were determined by optical microscopy. Good agreement between the results obtained by different electrochemical methods was obtained. The heat-affected zone (HAZ) of the austenitic stainless steel welded joints has shown a significant degree of sensitization. The double loop electrochemical potentiokinetic method gave quantitative evidence about the susceptibility of stainless steel to intergranular corrosion.
PB  - Savez hemijskih inženjera, Beograd
T2  - Hemijska industrija
T1  - Application of electrochemical methods for the investigation of intergranular corrosion of welded joint of austenitic stainless steel 19cr-9ni
EP  - 186
IS  - 2
SP  - 179
VL  - 65
DO  - 10.2298/HEMIND101122005J
ER  - 

@article{
author = "Jegdić, Bore and Alil, Ana and Milutinović, Zlatan R. and Odanović, Zoran and Gligorijević, Bojan and Katavić, Boris T.",
year = "2011",
abstract = "The sensitization degree of austenitic stainless steel welded joints was investigated by electrochemical methods of the double loop electrochemical potentiokinetic reactivation (DL EPR) in H(2)SO(4) + KSCN solution, and by the measurement of corrosion potential of the steel in the drop of the solution of HNO(3) + FeCl(3) + HCl. The welded joints were tested by X-ray radiographic method in order to check the presence of the weld defects. The grain sizes of the base metal and the welded joints were determined by optical microscopy. Good agreement between the results obtained by different electrochemical methods was obtained. The heat-affected zone (HAZ) of the austenitic stainless steel welded joints has shown a significant degree of sensitization. The double loop electrochemical potentiokinetic method gave quantitative evidence about the susceptibility of stainless steel to intergranular corrosion.",
publisher = "Savez hemijskih inženjera, Beograd",
journal = "Hemijska industrija",
title = "Application of electrochemical methods for the investigation of intergranular corrosion of welded joint of austenitic stainless steel 19cr-9ni",
pages = "186-179",
number = "2",
volume = "65",
doi = "10.2298/HEMIND101122005J"
}

Jegdić, B., Alil, A., Milutinović, Z. R., Odanović, Z., Gligorijević, B.,& Katavić, B. T.. (2011). Application of electrochemical methods for the investigation of intergranular corrosion of welded joint of austenitic stainless steel 19cr-9ni. in Hemijska industrija
Savez hemijskih inženjera, Beograd., 65(2), 179-186.
https://doi.org/10.2298/HEMIND101122005J

Jegdić B, Alil A, Milutinović ZR, Odanović Z, Gligorijević B, Katavić BT. Application of electrochemical methods for the investigation of intergranular corrosion of welded joint of austenitic stainless steel 19cr-9ni. in Hemijska industrija. 2011;65(2):179-186.
doi:10.2298/HEMIND101122005J .

Jegdić, Bore, Alil, Ana, Milutinović, Zlatan R., Odanović, Zoran, Gligorijević, Bojan, Katavić, Boris T., "Application of electrochemical methods for the investigation of intergranular corrosion of welded joint of austenitic stainless steel 19cr-9ni" in Hemijska industrija, 65, no. 2 (2011):179-186,
https://doi.org/10.2298/HEMIND101122005J . .

TY  - JOUR
AU  - Ćirić, R.
AU  - Raić, Karlo
AU  - Radović, Nenad
AU  - Grabulov, Vencislav
AU  - Odanović, Zoran
PY  - 2005
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/730
AB  - Investigation and analysis of the phenomena during rotational friction welding process of the high speed steel M2 (AISI SAE) with quench and tempered carbon steel 1060 (AISI SAE) are presented. Welding parameters as time and friction pressure are varied in experiments. Also different post weld heat treatment (PWHT) regimes, as annealing and quenching are applied. Distribution of the carbon and carbide phases in period of friction during the process of rotation friction welding process and after PWHT and effects on weld quality are analysed. Investigations are performed by the classical and quantitative optical microscopy. Displacement and distribution of carbides in the high speed steel during friction period in viscous layer, than in friction plane and surrounding zones are studied. Results of the quantitative optical microscopy are showed distinct difference of the carbide phase ratio in investigated zones. Obtained results are verified by the EDS analysis of characteristic zones close to the friction plane. Results of the SEM analysis are shown difference in the carbide phase quantity close to the friction plane as a result of the metal flow in viscous layer and in the viscous - plastic zones, with presence of hard carbide particles, and also of the carbide phase dissolution. Beside optical microscopy investigations, effects of the welding parameters and PWHT on carbon and carbide distribution are analysed by the measuring of the micro hardness and mechanical properties which are tested in friction plane. Obtained results have shown direct dependence between welding parameters and applied PWHT on the properties and quality of the friction welded joints.
T2  - Welding in the World
T1  - Analysis of carbon and carbide phases distribution in friction welded joints
EP  - 170
IS  - 9 SPEC. ISS.
SP  - 157
VL  - 49
UR  - https://hdl.handle.net/21.15107/rcub_technorep_730
ER  - 

@article{
author = "Ćirić, R. and Raić, Karlo and Radović, Nenad and Grabulov, Vencislav and Odanović, Zoran",
year = "2005",
abstract = "Investigation and analysis of the phenomena during rotational friction welding process of the high speed steel M2 (AISI SAE) with quench and tempered carbon steel 1060 (AISI SAE) are presented. Welding parameters as time and friction pressure are varied in experiments. Also different post weld heat treatment (PWHT) regimes, as annealing and quenching are applied. Distribution of the carbon and carbide phases in period of friction during the process of rotation friction welding process and after PWHT and effects on weld quality are analysed. Investigations are performed by the classical and quantitative optical microscopy. Displacement and distribution of carbides in the high speed steel during friction period in viscous layer, than in friction plane and surrounding zones are studied. Results of the quantitative optical microscopy are showed distinct difference of the carbide phase ratio in investigated zones. Obtained results are verified by the EDS analysis of characteristic zones close to the friction plane. Results of the SEM analysis are shown difference in the carbide phase quantity close to the friction plane as a result of the metal flow in viscous layer and in the viscous - plastic zones, with presence of hard carbide particles, and also of the carbide phase dissolution. Beside optical microscopy investigations, effects of the welding parameters and PWHT on carbon and carbide distribution are analysed by the measuring of the micro hardness and mechanical properties which are tested in friction plane. Obtained results have shown direct dependence between welding parameters and applied PWHT on the properties and quality of the friction welded joints.",
journal = "Welding in the World",
title = "Analysis of carbon and carbide phases distribution in friction welded joints",
pages = "170-157",
number = "9 SPEC. ISS.",
volume = "49",
url = "https://hdl.handle.net/21.15107/rcub_technorep_730"
}

Ćirić, R., Raić, K., Radović, N., Grabulov, V.,& Odanović, Z.. (2005). Analysis of carbon and carbide phases distribution in friction welded joints. in Welding in the World, 49(9 SPEC. ISS.), 157-170.
https://hdl.handle.net/21.15107/rcub_technorep_730

Ćirić R, Raić K, Radović N, Grabulov V, Odanović Z. Analysis of carbon and carbide phases distribution in friction welded joints. in Welding in the World. 2005;49(9 SPEC. ISS.):157-170.
https://hdl.handle.net/21.15107/rcub_technorep_730 .

Ćirić, R., Raić, Karlo, Radović, Nenad, Grabulov, Vencislav, Odanović, Zoran, "Analysis of carbon and carbide phases distribution in friction welded joints" in Welding in the World, 49, no. 9 SPEC. ISS. (2005):157-170,
https://hdl.handle.net/21.15107/rcub_technorep_730 .