TY  - CONF
AU  - Aleksić, Bojana
AU  - Milović, Ljubica
AU  - Grbović, Aleksandar
AU  - Hemer, Abubkr
AU  - Aleksić, Vujadin
AU  - Zrilić, Milorad
PY  - 2018
UR  - http://rims.institutims.rs/handle/123456789/349
AB  - Steel grade 14MoV6-3 is a low-carbon microalloyed steel with addition of chromium and molybdenum. This grade is designed mainly for power industry applications, withstanding operating at elevated temperatures.In this paper, mechanical properties of steel grade 14MoV6-3 and methodology of calculation of critical values of the J-integral are presented. The level of damage is determined by analyzing the virgin material of the same grade. The focus of presented investigation is on the experimental J integral determination, where critical values of the J-integral (J(IC)) are compared with the values obtained by using the finite element methods (FEM). FEM model was defined on the basis of experimental conditions and obtained numerical values should confirm our experimental results.
PB  - Elsevier Science Bv, Amsterdam
C3  - ECF22 - Loading and Environmental Effects on Structural Integrity
T1  - Experimental and numerical investigations of the critical values of J-integral for the steel of steam pipelines
EP  - 1594
SP  - 1589
VL  - 13
DO  - 10.1016/j.prostr.2018.12.335
ER  - 

@conference{
author = "Aleksić, Bojana and Milović, Ljubica and Grbović, Aleksandar and Hemer, Abubkr and Aleksić, Vujadin and Zrilić, Milorad",
year = "2018",
abstract = "Steel grade 14MoV6-3 is a low-carbon microalloyed steel with addition of chromium and molybdenum. This grade is designed mainly for power industry applications, withstanding operating at elevated temperatures.In this paper, mechanical properties of steel grade 14MoV6-3 and methodology of calculation of critical values of the J-integral are presented. The level of damage is determined by analyzing the virgin material of the same grade. The focus of presented investigation is on the experimental J integral determination, where critical values of the J-integral (J(IC)) are compared with the values obtained by using the finite element methods (FEM). FEM model was defined on the basis of experimental conditions and obtained numerical values should confirm our experimental results.",
publisher = "Elsevier Science Bv, Amsterdam",
journal = "ECF22 - Loading and Environmental Effects on Structural Integrity",
title = "Experimental and numerical investigations of the critical values of J-integral for the steel of steam pipelines",
pages = "1594-1589",
volume = "13",
doi = "10.1016/j.prostr.2018.12.335"
}

Aleksić, B., Milović, L., Grbović, A., Hemer, A., Aleksić, V.,& Zrilić, M.. (2018). Experimental and numerical investigations of the critical values of J-integral for the steel of steam pipelines. in ECF22 - Loading and Environmental Effects on Structural Integrity
Elsevier Science Bv, Amsterdam., 13, 1589-1594.
https://doi.org/10.1016/j.prostr.2018.12.335

Aleksić B, Milović L, Grbović A, Hemer A, Aleksić V, Zrilić M. Experimental and numerical investigations of the critical values of J-integral for the steel of steam pipelines. in ECF22 - Loading and Environmental Effects on Structural Integrity. 2018;13:1589-1594.
doi:10.1016/j.prostr.2018.12.335 .

Aleksić, Bojana, Milović, Ljubica, Grbović, Aleksandar, Hemer, Abubkr, Aleksić, Vujadin, Zrilić, Milorad, "Experimental and numerical investigations of the critical values of J-integral for the steel of steam pipelines" in ECF22 - Loading and Environmental Effects on Structural Integrity, 13 (2018):1589-1594,
https://doi.org/10.1016/j.prostr.2018.12.335 . .

TY  - JOUR
AU  - Sadibašić, Damir
AU  - Radović, Nenad
AU  - Grabulov, Vencislav
AU  - Zrilić, Milorad
PY  - 2012
UR  - http://rims.institutims.rs/handle/123456789/185
AB  - U radu je ispitan uticaj stanja osnovnog metala na osobine REL zavarenog spoja čelika 14MoV 6 3. Zavarene su tri kombinacije uzoraka: (i) nekorišćen; (ii) korišćen-korišćen; i (iii) korišćen nekorišćen. Korišćeni uzorci su bili u upotrebi preko 52000 sati. Utvrđeno je da do loma dolazi uvek u osnovnom metalu korišćenog uzorka. Pretpostavljeno je da kritični uslovi nastaju usled puzanjem izazvanog rasta zrna i/ili taloga. Najviši nivo zatezne čvrstoće je u kombinaciji dva nekorišćena uzorka.
AB  - The aim of this work was to establish the influence of initial state of base metal on properties of mma welded 14MoV 6 3 steel. Three combinations of specimens were welded: (i) virgin-virgin (N-N); (ii) used-used (S-S); (iii) virgin-used (N-S). Used specimens were 52000 hours in exploitation. It has been established that the fracture is initiated in the zone of used part. It is assumed that the critical conditions were achieved as the consequence of creep induced grain growth and particle coarsening. On the other hand, testing of unused specimens revealed the highest level of strength.
PB  - DUZS - Društvo za unapređivanje zavarivanja u Srbiji, Beograd
T2  - Zavarivanje i zavarene konstrukcije
T1  - Uticaj polaznog stanja na osobine REL zavarenog spoja čelika 14mov 6 3
T1  - Influence of initial state on properties of mma welded 14mov 6 3 steel
EP  - 60
IS  - 2
SP  - 53
VL  - 57
UR  - https://hdl.handle.net/21.15107/rcub_rims_185
ER  - 

@article{
author = "Sadibašić, Damir and Radović, Nenad and Grabulov, Vencislav and Zrilić, Milorad",
year = "2012",
abstract = "U radu je ispitan uticaj stanja osnovnog metala na osobine REL zavarenog spoja čelika 14MoV 6 3. Zavarene su tri kombinacije uzoraka: (i) nekorišćen; (ii) korišćen-korišćen; i (iii) korišćen nekorišćen. Korišćeni uzorci su bili u upotrebi preko 52000 sati. Utvrđeno je da do loma dolazi uvek u osnovnom metalu korišćenog uzorka. Pretpostavljeno je da kritični uslovi nastaju usled puzanjem izazvanog rasta zrna i/ili taloga. Najviši nivo zatezne čvrstoće je u kombinaciji dva nekorišćena uzorka., The aim of this work was to establish the influence of initial state of base metal on properties of mma welded 14MoV 6 3 steel. Three combinations of specimens were welded: (i) virgin-virgin (N-N); (ii) used-used (S-S); (iii) virgin-used (N-S). Used specimens were 52000 hours in exploitation. It has been established that the fracture is initiated in the zone of used part. It is assumed that the critical conditions were achieved as the consequence of creep induced grain growth and particle coarsening. On the other hand, testing of unused specimens revealed the highest level of strength.",
publisher = "DUZS - Društvo za unapređivanje zavarivanja u Srbiji, Beograd",
journal = "Zavarivanje i zavarene konstrukcije",
title = "Uticaj polaznog stanja na osobine REL zavarenog spoja čelika 14mov 6 3, Influence of initial state on properties of mma welded 14mov 6 3 steel",
pages = "60-53",
number = "2",
volume = "57",
url = "https://hdl.handle.net/21.15107/rcub_rims_185"
}

Sadibašić, D., Radović, N., Grabulov, V.,& Zrilić, M.. (2012). Uticaj polaznog stanja na osobine REL zavarenog spoja čelika 14mov 6 3. in Zavarivanje i zavarene konstrukcije
DUZS - Društvo za unapređivanje zavarivanja u Srbiji, Beograd., 57(2), 53-60.
https://hdl.handle.net/21.15107/rcub_rims_185

Sadibašić D, Radović N, Grabulov V, Zrilić M. Uticaj polaznog stanja na osobine REL zavarenog spoja čelika 14mov 6 3. in Zavarivanje i zavarene konstrukcije. 2012;57(2):53-60.
https://hdl.handle.net/21.15107/rcub_rims_185 .

Sadibašić, Damir, Radović, Nenad, Grabulov, Vencislav, Zrilić, Milorad, "Uticaj polaznog stanja na osobine REL zavarenog spoja čelika 14mov 6 3" in Zavarivanje i zavarene konstrukcije, 57, no. 2 (2012):53-60,
https://hdl.handle.net/21.15107/rcub_rims_185 .

TY  - JOUR
AU  - Milović, Ljubica
AU  - Vuherer, Tomaž
AU  - Zrilić, Milorad
AU  - Momčilović, Dejan
AU  - Jaković, Dragan
PY  - 2011
UR  - http://rims.institutims.rs/handle/123456789/150
AB  - Welded joint is a critical region of a welded structure. The operational safety of welded pressure equipment mostly depends on the behaviour of loaded weldments. Safety of welded structure is dependent on the properties of welded joint as whole and of its constituents (parent metal, heat affected zone and weld metal). In this paper the behaviour of welded joint cracked constituents is considered. Structural integrity assessment procedure is applied to welded pressure vessel produced of high-strength low-alloyed steel, operating at -40 degrees C, comparing crack driving force and material crack resistance, using path-independent contour J-integral as fracture mechanics parameter. The comparison of crack driving force, expressed by J-integral and material resistant curve, J-R curve, provide the possibility to determine the extent of the stable crack as well as the critical crack size for its final fast propagation and also to assess the structural integrity of a cracked pressure vessel.
PB  - Journal Iron Steel Research  Editorial Board, Beijing
T2  - Journal of Iron and Steel Research International
T1  - Structural Integrity Assessment of Welded Pressure Vessel Produced of HSLA Steel
EP  - 892
SP  - 888
VL  - 18
UR  - https://hdl.handle.net/21.15107/rcub_technorep_1885
ER  - 

@article{
author = "Milović, Ljubica and Vuherer, Tomaž and Zrilić, Milorad and Momčilović, Dejan and Jaković, Dragan",
year = "2011",
abstract = "Welded joint is a critical region of a welded structure. The operational safety of welded pressure equipment mostly depends on the behaviour of loaded weldments. Safety of welded structure is dependent on the properties of welded joint as whole and of its constituents (parent metal, heat affected zone and weld metal). In this paper the behaviour of welded joint cracked constituents is considered. Structural integrity assessment procedure is applied to welded pressure vessel produced of high-strength low-alloyed steel, operating at -40 degrees C, comparing crack driving force and material crack resistance, using path-independent contour J-integral as fracture mechanics parameter. The comparison of crack driving force, expressed by J-integral and material resistant curve, J-R curve, provide the possibility to determine the extent of the stable crack as well as the critical crack size for its final fast propagation and also to assess the structural integrity of a cracked pressure vessel.",
publisher = "Journal Iron Steel Research  Editorial Board, Beijing",
journal = "Journal of Iron and Steel Research International",
title = "Structural Integrity Assessment of Welded Pressure Vessel Produced of HSLA Steel",
pages = "892-888",
volume = "18",
url = "https://hdl.handle.net/21.15107/rcub_technorep_1885"
}

Milović, L., Vuherer, T., Zrilić, M., Momčilović, D.,& Jaković, D.. (2011). Structural Integrity Assessment of Welded Pressure Vessel Produced of HSLA Steel. in Journal of Iron and Steel Research International
Journal Iron Steel Research  Editorial Board, Beijing., 18, 888-892.
https://hdl.handle.net/21.15107/rcub_technorep_1885

Milović L, Vuherer T, Zrilić M, Momčilović D, Jaković D. Structural Integrity Assessment of Welded Pressure Vessel Produced of HSLA Steel. in Journal of Iron and Steel Research International. 2011;18:888-892.
https://hdl.handle.net/21.15107/rcub_technorep_1885 .

Milović, Ljubica, Vuherer, Tomaž, Zrilić, Milorad, Momčilović, Dejan, Jaković, Dragan, "Structural Integrity Assessment of Welded Pressure Vessel Produced of HSLA Steel" in Journal of Iron and Steel Research International, 18 (2011):888-892,
https://hdl.handle.net/21.15107/rcub_technorep_1885 .

TY  - JOUR
AU  - Zrilić, Milorad
AU  - Grabulov, Vencislav
AU  - Burzić, Zijah
AU  - Arsić, Miodrag
AU  - Sedmak, S.
PY  - 2007
UR  - http://rims.institutims.rs/handle/123456789/58
AB  - in order to gain the benefits of weldable high-strength steels in pressurized equipment applications, satisfactory toughness and crack properties of the welded joint, both in the weld metal and the heat-affected-zone (HAZ), are required. Experimental investigations of toughness and crack resistance parameters through static and impact tests of a high-strength, low-alloy steel (HSLA) with a nominal yield strength of 700MPa and its welded joint, were performed on Charpy-sized specimens, V-notched and pre-cracked, of the parent metal, weld metal and HAZ. The selected electrode produced slight undermatching and enabled the welded joints to be manufactured without cold cracks. The impact energy and its parts responsible for crack initiation and propagation were determined by toughness evaluation. Crack sensitivity, defined as the ratio of the impact energy for V-notched and for pre-cracked specimens, enabled a comparison of the homogeneous microstructure of the parent metal and the weld metal, and of the heterogeneous microstructure of the heat-affected-zone (HAZ), which indicated a better crack toughness behaviour of the HAZ. The results obtained showed that the toughness and crack resistance of the weld metal were significantly lower than those of the parent metal and the HAZ. The fracture mechanics parameters, J(Ic), integral, and plane strain fracture toughness, K-Ic, as well as J resistance curves expressed the degradation less.
PB  - Elsevier Sci Ltd, Oxford
T2  - International Journal of Pressure Vessels and Piping
T1  - Static and impact crack properties of a high-strength steel welded joint
EP  - 150
IS  - 3
SP  - 139
VL  - 84
DO  - 10.1016/j.ijpvp.2006.09.021
ER  - 

@article{
author = "Zrilić, Milorad and Grabulov, Vencislav and Burzić, Zijah and Arsić, Miodrag and Sedmak, S.",
year = "2007",
abstract = "in order to gain the benefits of weldable high-strength steels in pressurized equipment applications, satisfactory toughness and crack properties of the welded joint, both in the weld metal and the heat-affected-zone (HAZ), are required. Experimental investigations of toughness and crack resistance parameters through static and impact tests of a high-strength, low-alloy steel (HSLA) with a nominal yield strength of 700MPa and its welded joint, were performed on Charpy-sized specimens, V-notched and pre-cracked, of the parent metal, weld metal and HAZ. The selected electrode produced slight undermatching and enabled the welded joints to be manufactured without cold cracks. The impact energy and its parts responsible for crack initiation and propagation were determined by toughness evaluation. Crack sensitivity, defined as the ratio of the impact energy for V-notched and for pre-cracked specimens, enabled a comparison of the homogeneous microstructure of the parent metal and the weld metal, and of the heterogeneous microstructure of the heat-affected-zone (HAZ), which indicated a better crack toughness behaviour of the HAZ. The results obtained showed that the toughness and crack resistance of the weld metal were significantly lower than those of the parent metal and the HAZ. The fracture mechanics parameters, J(Ic), integral, and plane strain fracture toughness, K-Ic, as well as J resistance curves expressed the degradation less.",
publisher = "Elsevier Sci Ltd, Oxford",
journal = "International Journal of Pressure Vessels and Piping",
title = "Static and impact crack properties of a high-strength steel welded joint",
pages = "150-139",
number = "3",
volume = "84",
doi = "10.1016/j.ijpvp.2006.09.021"
}

Zrilić, M., Grabulov, V., Burzić, Z., Arsić, M.,& Sedmak, S.. (2007). Static and impact crack properties of a high-strength steel welded joint. in International Journal of Pressure Vessels and Piping
Elsevier Sci Ltd, Oxford., 84(3), 139-150.
https://doi.org/10.1016/j.ijpvp.2006.09.021

Zrilić M, Grabulov V, Burzić Z, Arsić M, Sedmak S. Static and impact crack properties of a high-strength steel welded joint. in International Journal of Pressure Vessels and Piping. 2007;84(3):139-150.
doi:10.1016/j.ijpvp.2006.09.021 .

Zrilić, Milorad, Grabulov, Vencislav, Burzić, Zijah, Arsić, Miodrag, Sedmak, S., "Static and impact crack properties of a high-strength steel welded joint" in International Journal of Pressure Vessels and Piping, 84, no. 3 (2007):139-150,
https://doi.org/10.1016/j.ijpvp.2006.09.021 . .

TY  - CONF
AU  - Arsić, Miodrag
AU  - Aleksić, Vujadin
AU  - Ljamić, Dragan
AU  - Rakin, Marko
AU  - Zrilić, Milorad
PY  - 2006
UR  - http://rims.institutims.rs/handle/123456789/697
AB  - Bucket wheel excavators for continuous exploitation belong to the modern, complex and expensive
production systems, manufactured in small series or individually for certain operating environment. During
exploitation of bucket wheel excavators, as an effect of variable amplitude loading induced by working conditions and
their own low-frequency oscillations, unpredictable failures (damages and fractures) of main parts and assemblies may
occur. In this paper, the methodological approach to the analysis of failure of the digging subsystem has been presented
with particular attention turned to the driving reducer for bucket wheel. The possibility of application of experimental
methods in an analysis of condition of the main parts and assemblies in exploitation and failure analysis has been
presented, together with the possibility of application of the methods in failure analysis from the point of view of
evaluation of the system reliability (FTA method – Fault-Tree Analysis, FMEA method – Failure Mode and Effects
Analysis). The measures for prevention of damages and fractures of the main parts and assemblies of the driving
reducer have also been presented.
C3  - XVIII International Conference on "MATERIAL HANDLING, CONSTRUCTIONS AND LOGISTICS"
T1  - The analysis of failure of driving reducer for bucket wheel excavator digging subsystem
EP  - 130
SP  - 125
UR  - https://hdl.handle.net/21.15107/rcub_rims_697
ER  - 

@conference{
author = "Arsić, Miodrag and Aleksić, Vujadin and Ljamić, Dragan and Rakin, Marko and Zrilić, Milorad",
year = "2006",
abstract = "Bucket wheel excavators for continuous exploitation belong to the modern, complex and expensive
production systems, manufactured in small series or individually for certain operating environment. During
exploitation of bucket wheel excavators, as an effect of variable amplitude loading induced by working conditions and
their own low-frequency oscillations, unpredictable failures (damages and fractures) of main parts and assemblies may
occur. In this paper, the methodological approach to the analysis of failure of the digging subsystem has been presented
with particular attention turned to the driving reducer for bucket wheel. The possibility of application of experimental
methods in an analysis of condition of the main parts and assemblies in exploitation and failure analysis has been
presented, together with the possibility of application of the methods in failure analysis from the point of view of
evaluation of the system reliability (FTA method – Fault-Tree Analysis, FMEA method – Failure Mode and Effects
Analysis). The measures for prevention of damages and fractures of the main parts and assemblies of the driving
reducer have also been presented.",
journal = "XVIII International Conference on "MATERIAL HANDLING, CONSTRUCTIONS AND LOGISTICS"",
title = "The analysis of failure of driving reducer for bucket wheel excavator digging subsystem",
pages = "130-125",
url = "https://hdl.handle.net/21.15107/rcub_rims_697"
}

Arsić, M., Aleksić, V., Ljamić, D., Rakin, M.,& Zrilić, M.. (2006). The analysis of failure of driving reducer for bucket wheel excavator digging subsystem. in XVIII International Conference on "MATERIAL HANDLING, CONSTRUCTIONS AND LOGISTICS", 125-130.
https://hdl.handle.net/21.15107/rcub_rims_697

Arsić M, Aleksić V, Ljamić D, Rakin M, Zrilić M. The analysis of failure of driving reducer for bucket wheel excavator digging subsystem. in XVIII International Conference on "MATERIAL HANDLING, CONSTRUCTIONS AND LOGISTICS". 2006;:125-130.
https://hdl.handle.net/21.15107/rcub_rims_697 .

Arsić, Miodrag, Aleksić, Vujadin, Ljamić, Dragan, Rakin, Marko, Zrilić, Milorad, "The analysis of failure of driving reducer for bucket wheel excavator digging subsystem" in XVIII International Conference on "MATERIAL HANDLING, CONSTRUCTIONS AND LOGISTICS" (2006):125-130,
https://hdl.handle.net/21.15107/rcub_rims_697 .

TY  - JOUR
AU  - Burzić, Meri
AU  - Sedmak, Stojan
AU  - Burzić, Zijah
AU  - Zrilić, Milorad
AU  - Jaković, Dragan
AU  - Momčilović, Dejan
PY  - 2003
UR  - http://rims.institutims.rs/handle/123456789/30
AB  - U ovom radu su prikazane metode za određivanje dinamičke žilavosti loma, KId Metode dinamičkog J integrala, i ekvivalenta energije su eksperimentalno potvrđene ispitivanjem čelika Č 5432 i Č 4734. Ovaj rad predstavlja doprinos u ovladavanju metodama koje definišu ponašanje materijala u dinamičkim uslovima rasta prsline. Primena ovih metoda zajedno sa ostalim metodama za određivanje parametara mehanike loma predstavlja značajan doprinos istraživanju ponašanja konstrukcijskih materijala u prisustvu prsline.
AB  - In this paper the investigation of methods for determination of dynamic fracture toughness, KId. Dynamic J-integral and equivalence energy methods are experimental confirm testing of steel Č 5432 and Č 4734. This paper presented of contribution in control methods what's to define behavior of materials in condition of dynamic crack growth. Application this all methods presented very imported contribution of investigation behavior construction materials in presence of crack.
PB  - Visoka tehnička škola strukovnih studija, Beograd
T2  - Tehnička dijagnostika
T1  - Eksperimentalno određivanje dinamičke žilavosti loma KId, kod metalnih materijala visoke čvrstoće
T1  - Experimental determination of dynamic fracture toughness KId in metal materials with high strength
EP  - 39
IS  - 1
SP  - 28
VL  - 2
UR  - https://hdl.handle.net/21.15107/rcub_rims_30
ER  - 

@article{
author = "Burzić, Meri and Sedmak, Stojan and Burzić, Zijah and Zrilić, Milorad and Jaković, Dragan and Momčilović, Dejan",
year = "2003",
abstract = "U ovom radu su prikazane metode za određivanje dinamičke žilavosti loma, KId Metode dinamičkog J integrala, i ekvivalenta energije su eksperimentalno potvrđene ispitivanjem čelika Č 5432 i Č 4734. Ovaj rad predstavlja doprinos u ovladavanju metodama koje definišu ponašanje materijala u dinamičkim uslovima rasta prsline. Primena ovih metoda zajedno sa ostalim metodama za određivanje parametara mehanike loma predstavlja značajan doprinos istraživanju ponašanja konstrukcijskih materijala u prisustvu prsline., In this paper the investigation of methods for determination of dynamic fracture toughness, KId. Dynamic J-integral and equivalence energy methods are experimental confirm testing of steel Č 5432 and Č 4734. This paper presented of contribution in control methods what's to define behavior of materials in condition of dynamic crack growth. Application this all methods presented very imported contribution of investigation behavior construction materials in presence of crack.",
publisher = "Visoka tehnička škola strukovnih studija, Beograd",
journal = "Tehnička dijagnostika",
title = "Eksperimentalno određivanje dinamičke žilavosti loma KId, kod metalnih materijala visoke čvrstoće, Experimental determination of dynamic fracture toughness KId in metal materials with high strength",
pages = "39-28",
number = "1",
volume = "2",
url = "https://hdl.handle.net/21.15107/rcub_rims_30"
}

Burzić, M., Sedmak, S., Burzić, Z., Zrilić, M., Jaković, D.,& Momčilović, D.. (2003). Eksperimentalno određivanje dinamičke žilavosti loma KId, kod metalnih materijala visoke čvrstoće. in Tehnička dijagnostika
Visoka tehnička škola strukovnih studija, Beograd., 2(1), 28-39.
https://hdl.handle.net/21.15107/rcub_rims_30

Burzić M, Sedmak S, Burzić Z, Zrilić M, Jaković D, Momčilović D. Eksperimentalno određivanje dinamičke žilavosti loma KId, kod metalnih materijala visoke čvrstoće. in Tehnička dijagnostika. 2003;2(1):28-39.
https://hdl.handle.net/21.15107/rcub_rims_30 .

Burzić, Meri, Sedmak, Stojan, Burzić, Zijah, Zrilić, Milorad, Jaković, Dragan, Momčilović, Dejan, "Eksperimentalno određivanje dinamičke žilavosti loma KId, kod metalnih materijala visoke čvrstoće" in Tehnička dijagnostika, 2, no. 1 (2003):28-39,
https://hdl.handle.net/21.15107/rcub_rims_30 .

TY  - JOUR
AU  - Burzić, Meri
AU  - Sedmak, Stojan
AU  - Zrilić, Milorad
AU  - Burzić, Zijah
AU  - Jaković, Dragan
AU  - Momčilović, Dejan
PY  - 2002
UR  - http://rims.institutims.rs/handle/123456789/27
AB  - Uticaj orijentacije ugljeničnih vlakana u kompozitu sa epoksi matricom na udarnu žilavost i na žilavost loma je eksperimentalno analiziran ispitivanjem Šarpi epruveta sa V zarezom i zarezanih epruveta modifikovanog CT oblika (sa oštrim vrhom zareza koji zamenjuje zamornu prslinu). Epruvete su proizvedene od uzoraka sa orijentacijom vlakana [±45]16s, [0/90]16s, kao i sa kombinovanim sastavom [02/90/±45/90/02]4s. Epruvete sa V zarezom su ispitivane na instrumentiranoj Šarpi mašini, čime je omogućeno razdvajanje energija nastanka i rasta prsline. Faktor intenziteta napona Kc je izabran kao parametar loma. Ukupne vrednosti udarne žilavosti su pokazale da [0/90]16s, kao što je očekivano, daje najveću otpornost na udar, ali su i vrednosti za [02/90/±45/90/02]4s bile zadovoljavajuće, sa pogodnim odnosom energije širenja i energije rasta prsline. Ispitivanje modifikovane CT epruvete je dalo slične i zadovoljavajuće rezultate za faktor intenziteta napona za dva uzorka ([0/90]16s i [02/90/±45/90/02]4s), dok je za treći [±45]16s, ova vrednost niža za oko 20%. Imajući na umu druge prednosti orijentacije [02/90/±45/90/02]4s, ona se može preporučiti kao najbolja uprkos nešto nižoj udarnoj energiji.
AB  - The effect of carbon fibers orientation in a composite with epoxy matrix on the impact and fracture toughness is experimentally analyzed by testing of Charpy type V notched specimens and notched specimens of modified CT form (with sharp notch tip as replacement for fatigue pre-crack). Specimens were produced from samples with carbon fiber orientation [±45]16s, [0/90]16s, and also with combined composition [02/90-/±45/90/-02]4s. Specimens with V notch have been tested on instrumented Charpy machine, enabling to separate crack initiation and propagation energies. Stress intensity factor Kc had been selected as fracture parameter. Total impact toughness values have shown that highest impact resistance belongs to [0/90]16s, as expected, but the values for [02/90/±45/90/02]4s are also satisfactory, with convenient ratio of crack propagation to crack initiation energies. Modified CT specimen testing have shown close and satisfactory results for stress intensity factor of two samples ([0/90]16s and [02/90/±45/90/02]4s), and for third sample [±45]16s this value is about 20% lower. Having in mind other benefits with [02/90/±45/90/0-2]4s, it can be recommended as superior in spite of somewhat lower impact energy.
PB  - Institut za ispitivanje materijala, Beograd
T2  - Integritet i vek konstrukcija
T1  - Uticaj orijentacije vlakana na udarnu žilavost i osobine loma kompozita ugljenična vlakna - epoksi smola
T1  - The effect of fiber orientation on impact toughness and fracture properties of carbon fiber-epoxy composite
EP  - 19
IS  - 1-2
SP  - 15
VL  - 2
UR  - https://hdl.handle.net/21.15107/rcub_rims_27
ER  - 

@article{
author = "Burzić, Meri and Sedmak, Stojan and Zrilić, Milorad and Burzić, Zijah and Jaković, Dragan and Momčilović, Dejan",
year = "2002",
abstract = "Uticaj orijentacije ugljeničnih vlakana u kompozitu sa epoksi matricom na udarnu žilavost i na žilavost loma je eksperimentalno analiziran ispitivanjem Šarpi epruveta sa V zarezom i zarezanih epruveta modifikovanog CT oblika (sa oštrim vrhom zareza koji zamenjuje zamornu prslinu). Epruvete su proizvedene od uzoraka sa orijentacijom vlakana [±45]16s, [0/90]16s, kao i sa kombinovanim sastavom [02/90/±45/90/02]4s. Epruvete sa V zarezom su ispitivane na instrumentiranoj Šarpi mašini, čime je omogućeno razdvajanje energija nastanka i rasta prsline. Faktor intenziteta napona Kc je izabran kao parametar loma. Ukupne vrednosti udarne žilavosti su pokazale da [0/90]16s, kao što je očekivano, daje najveću otpornost na udar, ali su i vrednosti za [02/90/±45/90/02]4s bile zadovoljavajuće, sa pogodnim odnosom energije širenja i energije rasta prsline. Ispitivanje modifikovane CT epruvete je dalo slične i zadovoljavajuće rezultate za faktor intenziteta napona za dva uzorka ([0/90]16s i [02/90/±45/90/02]4s), dok je za treći [±45]16s, ova vrednost niža za oko 20%. Imajući na umu druge prednosti orijentacije [02/90/±45/90/02]4s, ona se može preporučiti kao najbolja uprkos nešto nižoj udarnoj energiji., The effect of carbon fibers orientation in a composite with epoxy matrix on the impact and fracture toughness is experimentally analyzed by testing of Charpy type V notched specimens and notched specimens of modified CT form (with sharp notch tip as replacement for fatigue pre-crack). Specimens were produced from samples with carbon fiber orientation [±45]16s, [0/90]16s, and also with combined composition [02/90-/±45/90/-02]4s. Specimens with V notch have been tested on instrumented Charpy machine, enabling to separate crack initiation and propagation energies. Stress intensity factor Kc had been selected as fracture parameter. Total impact toughness values have shown that highest impact resistance belongs to [0/90]16s, as expected, but the values for [02/90/±45/90/02]4s are also satisfactory, with convenient ratio of crack propagation to crack initiation energies. Modified CT specimen testing have shown close and satisfactory results for stress intensity factor of two samples ([0/90]16s and [02/90/±45/90/02]4s), and for third sample [±45]16s this value is about 20% lower. Having in mind other benefits with [02/90/±45/90/0-2]4s, it can be recommended as superior in spite of somewhat lower impact energy.",
publisher = "Institut za ispitivanje materijala, Beograd",
journal = "Integritet i vek konstrukcija",
title = "Uticaj orijentacije vlakana na udarnu žilavost i osobine loma kompozita ugljenična vlakna - epoksi smola, The effect of fiber orientation on impact toughness and fracture properties of carbon fiber-epoxy composite",
pages = "19-15",
number = "1-2",
volume = "2",
url = "https://hdl.handle.net/21.15107/rcub_rims_27"
}

Burzić, M., Sedmak, S., Zrilić, M., Burzić, Z., Jaković, D.,& Momčilović, D.. (2002). Uticaj orijentacije vlakana na udarnu žilavost i osobine loma kompozita ugljenična vlakna - epoksi smola. in Integritet i vek konstrukcija
Institut za ispitivanje materijala, Beograd., 2(1-2), 15-19.
https://hdl.handle.net/21.15107/rcub_rims_27

Burzić M, Sedmak S, Zrilić M, Burzić Z, Jaković D, Momčilović D. Uticaj orijentacije vlakana na udarnu žilavost i osobine loma kompozita ugljenična vlakna - epoksi smola. in Integritet i vek konstrukcija. 2002;2(1-2):15-19.
https://hdl.handle.net/21.15107/rcub_rims_27 .

Burzić, Meri, Sedmak, Stojan, Zrilić, Milorad, Burzić, Zijah, Jaković, Dragan, Momčilović, Dejan, "Uticaj orijentacije vlakana na udarnu žilavost i osobine loma kompozita ugljenična vlakna - epoksi smola" in Integritet i vek konstrukcija, 2, no. 1-2 (2002):15-19,
https://hdl.handle.net/21.15107/rcub_rims_27 .

TY  - JOUR
AU  - Milovanović, Andra
AU  - Sedmak, Aleksandar
AU  - Milosavljević, Anđelka
AU  - Aleksić, Vujadin
AU  - Zrilić, Milorad
PY  - 1999
UR  - http://rims.institutims.rs/handle/123456789/669
AB  - U radu se analiziraiu tri inženjerske metode: KING, REI
i JWES2805 i mogućnost njihove primene na zavarene
spojeve, imajući u vidu osobine zavarenih spoieva, a
sve sa ciljem dobijanja dovoljno tačne i jednostavne
inženjerske procedure za određivanie sile rasta prsline
u zavarenim spoievima u koiima su prisutni zaostali
naponi i geometrijske nepravilnosti.
PB  - Društvo za unapređivanje zavarivanja u Srbiji (DUZS)
PB  - Zavod za zavarivanje, Beograd
PB  - YUWELD, Beograd
PB  - Goša lnstitut, Smederevska Palanka
T2  - Zavarivanje i zavarene konstrukcije
T1  - Inženjerske metode procene integriteta zavarenih konstrukcija i njihova primena
EP  - 159
IS  - 4
SP  - 155
VL  - 44
UR  - https://hdl.handle.net/21.15107/rcub_rims_669
ER  - 

@article{
author = "Milovanović, Andra and Sedmak, Aleksandar and Milosavljević, Anđelka and Aleksić, Vujadin and Zrilić, Milorad",
year = "1999",
abstract = "U radu se analiziraiu tri inženjerske metode: KING, REI
i JWES2805 i mogućnost njihove primene na zavarene
spojeve, imajući u vidu osobine zavarenih spoieva, a
sve sa ciljem dobijanja dovoljno tačne i jednostavne
inženjerske procedure za određivanie sile rasta prsline
u zavarenim spoievima u koiima su prisutni zaostali
naponi i geometrijske nepravilnosti.",
publisher = "Društvo za unapređivanje zavarivanja u Srbiji (DUZS), Zavod za zavarivanje, Beograd, YUWELD, Beograd, Goša lnstitut, Smederevska Palanka",
journal = "Zavarivanje i zavarene konstrukcije",
title = "Inženjerske metode procene integriteta zavarenih konstrukcija i njihova primena",
pages = "159-155",
number = "4",
volume = "44",
url = "https://hdl.handle.net/21.15107/rcub_rims_669"
}

Milovanović, A., Sedmak, A., Milosavljević, A., Aleksić, V.,& Zrilić, M.. (1999). Inženjerske metode procene integriteta zavarenih konstrukcija i njihova primena. in Zavarivanje i zavarene konstrukcije
Društvo za unapređivanje zavarivanja u Srbiji (DUZS)., 44(4), 155-159.
https://hdl.handle.net/21.15107/rcub_rims_669

Milovanović A, Sedmak A, Milosavljević A, Aleksić V, Zrilić M. Inženjerske metode procene integriteta zavarenih konstrukcija i njihova primena. in Zavarivanje i zavarene konstrukcije. 1999;44(4):155-159.
https://hdl.handle.net/21.15107/rcub_rims_669 .

Milovanović, Andra, Sedmak, Aleksandar, Milosavljević, Anđelka, Aleksić, Vujadin, Zrilić, Milorad, "Inženjerske metode procene integriteta zavarenih konstrukcija i njihova primena" in Zavarivanje i zavarene konstrukcije, 44, no. 4 (1999):155-159,
https://hdl.handle.net/21.15107/rcub_rims_669 .