TY  - CONF
AU  - Maksimović, Ana
AU  - Petrovski, Blagoj
AU  - Milović, Ljubica
AU  - Zečević, Bojana
AU  - Aleksić, Vujadin
AU  - Bulatović, Srđan
AU  - Bekrić, Dragoljub
PY  - 2023
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/6625
AB  - Most serious weldment failures have catastrophic consequences in terms of damage to other equipment, loss of production, and risks to worker health and safety. For the above reasons, there is a tendency to find the line between safety and disaster, and this requires a guarantee of the integrity of the welded structure even if a crack is present. The structural and mechanical heterogeneity of a welded joint affects its resistance to cracking in both the elastic and plastic regions. Therefore, it is important to define the test method and the position of the fatigue crack. The behavior of an elasto-plastic material, during stable crack growth can be described by the J-Δa diagram. As the crack propagates, a point on the curve is defined, which represents the critical value of the J-integral. The aim of this experiment is to determine JIC value and the procedure is reflected in the determination of the R-curve, i.e., the J‒Δa curve, which consists of the value of the J-integral for uniform crack increments Δa. In this paper, precracked SEN(B) specimens with the fatigue crack positioned in the weld metal (WM) were tested according to standard ASTM E1820 at room temperature (RT), -20 0C and -30 0C.
PB  - Elsevier B.V.
C3  - Procedia Structural Integrity
T1  - Experimental Determination of JIc for a HSLA Steel Welded Joint
EP  - 194
SP  - 190
VL  - 48
DO  - 10.1016/j.prostr.2023.07.147
ER  - 

@conference{
author = "Maksimović, Ana and Petrovski, Blagoj and Milović, Ljubica and Zečević, Bojana and Aleksić, Vujadin and Bulatović, Srđan and Bekrić, Dragoljub",
year = "2023",
abstract = "Most serious weldment failures have catastrophic consequences in terms of damage to other equipment, loss of production, and risks to worker health and safety. For the above reasons, there is a tendency to find the line between safety and disaster, and this requires a guarantee of the integrity of the welded structure even if a crack is present. The structural and mechanical heterogeneity of a welded joint affects its resistance to cracking in both the elastic and plastic regions. Therefore, it is important to define the test method and the position of the fatigue crack. The behavior of an elasto-plastic material, during stable crack growth can be described by the J-Δa diagram. As the crack propagates, a point on the curve is defined, which represents the critical value of the J-integral. The aim of this experiment is to determine JIC value and the procedure is reflected in the determination of the R-curve, i.e., the J‒Δa curve, which consists of the value of the J-integral for uniform crack increments Δa. In this paper, precracked SEN(B) specimens with the fatigue crack positioned in the weld metal (WM) were tested according to standard ASTM E1820 at room temperature (RT), -20 0C and -30 0C.",
publisher = "Elsevier B.V.",
journal = "Procedia Structural Integrity",
title = "Experimental Determination of JIc for a HSLA Steel Welded Joint",
pages = "194-190",
volume = "48",
doi = "10.1016/j.prostr.2023.07.147"
}

Maksimović, A., Petrovski, B., Milović, L., Zečević, B., Aleksić, V., Bulatović, S.,& Bekrić, D.. (2023). Experimental Determination of JIc for a HSLA Steel Welded Joint. in Procedia Structural Integrity
Elsevier B.V.., 48, 190-194.
https://doi.org/10.1016/j.prostr.2023.07.147

Maksimović A, Petrovski B, Milović L, Zečević B, Aleksić V, Bulatović S, Bekrić D. Experimental Determination of JIc for a HSLA Steel Welded Joint. in Procedia Structural Integrity. 2023;48:190-194.
doi:10.1016/j.prostr.2023.07.147 .

Maksimović, Ana, Petrovski, Blagoj, Milović, Ljubica, Zečević, Bojana, Aleksić, Vujadin, Bulatović, Srđan, Bekrić, Dragoljub, "Experimental Determination of JIc for a HSLA Steel Welded Joint" in Procedia Structural Integrity, 48 (2023):190-194,
https://doi.org/10.1016/j.prostr.2023.07.147 . .

TY  - CONF
AU  - Zečević, Bojana
AU  - Maksimović, Ana
AU  - Milović, Ljubica
AU  - Aleksić, Vujadin
AU  - Grbović, Aleksandar
AU  - Bulatović, Srđan
PY  - 2022
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/6423
AB  - Steel grade 14MoV6 3 is used for manufacturing of boilers and steam pipelines designed for steam temperatures up to 560 °C. This paper presents the numerical simulation of a CT-specimen, using the finite element method. The analysis was performed using Ansys Workbench R21, and represents the initial stage of extensive research involving the behaviour of 14MoV6 3 steel. The goal was to simulate the real experimental conditions, including boundary conditions and loads, which were defined in accordance with relevant standards, and to obtain representative results. The temperature dependent mechanical properties needed for the simulation of plastic behaviour of such specimens under tensile loads were obtained from the experimental data and the literature.
PB  - Elsevier B.V.
C3  - 23rd European Conference on Fracture, ECF 2022, Procedia Structural Integrity
T1  - Numerical simulation of 14Mov6-3 steel CT-specimen Fracture Behavior
EP  - 1496
SP  - 1483
VL  - 42
DO  - 10.1016/j.prostr.2022.12.189
ER  - 

@conference{
author = "Zečević, Bojana and Maksimović, Ana and Milović, Ljubica and Aleksić, Vujadin and Grbović, Aleksandar and Bulatović, Srđan",
year = "2022",
abstract = "Steel grade 14MoV6 3 is used for manufacturing of boilers and steam pipelines designed for steam temperatures up to 560 °C. This paper presents the numerical simulation of a CT-specimen, using the finite element method. The analysis was performed using Ansys Workbench R21, and represents the initial stage of extensive research involving the behaviour of 14MoV6 3 steel. The goal was to simulate the real experimental conditions, including boundary conditions and loads, which were defined in accordance with relevant standards, and to obtain representative results. The temperature dependent mechanical properties needed for the simulation of plastic behaviour of such specimens under tensile loads were obtained from the experimental data and the literature.",
publisher = "Elsevier B.V.",
journal = "23rd European Conference on Fracture, ECF 2022, Procedia Structural Integrity",
title = "Numerical simulation of 14Mov6-3 steel CT-specimen Fracture Behavior",
pages = "1496-1483",
volume = "42",
doi = "10.1016/j.prostr.2022.12.189"
}

Zečević, B., Maksimović, A., Milović, L., Aleksić, V., Grbović, A.,& Bulatović, S.. (2022). Numerical simulation of 14Mov6-3 steel CT-specimen Fracture Behavior. in 23rd European Conference on Fracture, ECF 2022, Procedia Structural Integrity
Elsevier B.V.., 42, 1483-1496.
https://doi.org/10.1016/j.prostr.2022.12.189

Zečević B, Maksimović A, Milović L, Aleksić V, Grbović A, Bulatović S. Numerical simulation of 14Mov6-3 steel CT-specimen Fracture Behavior. in 23rd European Conference on Fracture, ECF 2022, Procedia Structural Integrity. 2022;42:1483-1496.
doi:10.1016/j.prostr.2022.12.189 .

Zečević, Bojana, Maksimović, Ana, Milović, Ljubica, Aleksić, Vujadin, Grbović, Aleksandar, Bulatović, Srđan, "Numerical simulation of 14Mov6-3 steel CT-specimen Fracture Behavior" in 23rd European Conference on Fracture, ECF 2022, Procedia Structural Integrity, 42 (2022):1483-1496,
https://doi.org/10.1016/j.prostr.2022.12.189 . .

TY  - CONF
AU  - Zečević, Bojana
AU  - Maksimović, Ana
AU  - Milović, Ljubica
AU  - Bulatović, Srđan
AU  - Aleksić, Vujadin
PY  - 2022
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/6429
AB  - Steel grade 14MoV6 3 is used for manufacturing of boilers and steam pipelines designed for steam temperatures up to 560°C. This paper presents the experimental analysis which included impact toughness test. The analysis resulted in impact energy values, and their respective components, crack initiation and crack propagation energy, and represents the initial stage of extensive research involving the behavior of 14MoV6 3 steel. The aim was to determine the effects of temperature (room vs. operated), as well as the effects of specimen orientation with regards to the rolling direction, on the impact toughness and the relation between its components.
PB  - Elsevier B.V.
C3  - 23rd European Conference on Fracture, ECF 2022, Procedia Structural Integrity
T1  - Effect of temperature and specimen orientation on Charpy impact toughness
EP  - 1482
SP  - 1475
VL  - 42
DO  - 10.1016/j.prostr.2022.12.188
ER  - 

@conference{
author = "Zečević, Bojana and Maksimović, Ana and Milović, Ljubica and Bulatović, Srđan and Aleksić, Vujadin",
year = "2022",
abstract = "Steel grade 14MoV6 3 is used for manufacturing of boilers and steam pipelines designed for steam temperatures up to 560°C. This paper presents the experimental analysis which included impact toughness test. The analysis resulted in impact energy values, and their respective components, crack initiation and crack propagation energy, and represents the initial stage of extensive research involving the behavior of 14MoV6 3 steel. The aim was to determine the effects of temperature (room vs. operated), as well as the effects of specimen orientation with regards to the rolling direction, on the impact toughness and the relation between its components.",
publisher = "Elsevier B.V.",
journal = "23rd European Conference on Fracture, ECF 2022, Procedia Structural Integrity",
title = "Effect of temperature and specimen orientation on Charpy impact toughness",
pages = "1482-1475",
volume = "42",
doi = "10.1016/j.prostr.2022.12.188"
}

Zečević, B., Maksimović, A., Milović, L., Bulatović, S.,& Aleksić, V.. (2022). Effect of temperature and specimen orientation on Charpy impact toughness. in 23rd European Conference on Fracture, ECF 2022, Procedia Structural Integrity
Elsevier B.V.., 42, 1475-1482.
https://doi.org/10.1016/j.prostr.2022.12.188

Zečević B, Maksimović A, Milović L, Bulatović S, Aleksić V. Effect of temperature and specimen orientation on Charpy impact toughness. in 23rd European Conference on Fracture, ECF 2022, Procedia Structural Integrity. 2022;42:1475-1482.
doi:10.1016/j.prostr.2022.12.188 .

Zečević, Bojana, Maksimović, Ana, Milović, Ljubica, Bulatović, Srđan, Aleksić, Vujadin, "Effect of temperature and specimen orientation on Charpy impact toughness" in 23rd European Conference on Fracture, ECF 2022, Procedia Structural Integrity, 42 (2022):1475-1482,
https://doi.org/10.1016/j.prostr.2022.12.188 . .

TY  - JOUR
AU  - Bulatović, Srđan
AU  - Aleksić, Vujadin
AU  - Milović, Ljubica
AU  - Zečević, Bojana
PY  - 2021
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4789
AB  - 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 structures have always been examined thoroughly. Cracks are most commonly initiated at locations where stress concentrators exist. These concentrators can originate due to flaws that occur during the design phase or due to mistakes that occur during the assembly of the structure. When it comes to failures and damages that occur at ship structures, it has been noticed that damages due to brittleness practically always happen at low temperatures. Impact test analysis is significant due to the fact that it replicates the ductile to brittle transition of steel in practically identical range of temperatures for all ship structures. Impact of ductile-brittle transition temperature is an important factor especially because there have been many ship failures and damages in history. In ship structures made of welded joints of high strength low-alloy (HSLA) steels with their segments (parent metal, weld metal and heat-affected- zone), the toughness test determines the tendency of steel to brittle fracture, respectively the tendency to increase brittleness during exploitation. Parameters obtained by testing the properties of plasticity are the fundamental for the composition of ship structures with the aim of realize strengths under tested load. The test results of high strength low-alloy steel toughness assessment at different test temperatures show that temperature significantly affects the impact toughness of steels and their alloys.
T2  - Brodogradnja
T1  - An analysis of impact testing of high strength low-alloy steels used in ship construction
EP  - 12
IS  - 3
SP  - 1
VL  - 72
DO  - 10.21278/brod72301
ER  - 

@article{
author = "Bulatović, Srđan and Aleksić, Vujadin and Milović, Ljubica and Zečević, Bojana",
year = "2021",
abstract = "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 structures have always been examined thoroughly. Cracks are most commonly initiated at locations where stress concentrators exist. These concentrators can originate due to flaws that occur during the design phase or due to mistakes that occur during the assembly of the structure. When it comes to failures and damages that occur at ship structures, it has been noticed that damages due to brittleness practically always happen at low temperatures. Impact test analysis is significant due to the fact that it replicates the ductile to brittle transition of steel in practically identical range of temperatures for all ship structures. Impact of ductile-brittle transition temperature is an important factor especially because there have been many ship failures and damages in history. In ship structures made of welded joints of high strength low-alloy (HSLA) steels with their segments (parent metal, weld metal and heat-affected- zone), the toughness test determines the tendency of steel to brittle fracture, respectively the tendency to increase brittleness during exploitation. Parameters obtained by testing the properties of plasticity are the fundamental for the composition of ship structures with the aim of realize strengths under tested load. The test results of high strength low-alloy steel toughness assessment at different test temperatures show that temperature significantly affects the impact toughness of steels and their alloys.",
journal = "Brodogradnja",
title = "An analysis of impact testing of high strength low-alloy steels used in ship construction",
pages = "12-1",
number = "3",
volume = "72",
doi = "10.21278/brod72301"
}

Bulatović, S., Aleksić, V., Milović, L.,& Zečević, B.. (2021). An analysis of impact testing of high strength low-alloy steels used in ship construction. in Brodogradnja, 72(3), 1-12.
https://doi.org/10.21278/brod72301

Bulatović S, Aleksić V, Milović L, Zečević B. An analysis of impact testing of high strength low-alloy steels used in ship construction. in Brodogradnja. 2021;72(3):1-12.
doi:10.21278/brod72301 .

Bulatović, Srđan, Aleksić, Vujadin, Milović, Ljubica, Zečević, Bojana, "An analysis of impact testing of high strength low-alloy steels used in ship construction" in Brodogradnja, 72, no. 3 (2021):1-12,
https://doi.org/10.21278/brod72301 . .

TY  - JOUR
AU  - Bulatović, Srđan
AU  - Aleksić, Vujadin
AU  - Milović, Ljubica
AU  - Zečević, Bojana
PY  - 2021
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4787
AB  - 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 in fatigue loading of the tested specimens, the crack initiation has been computed. The stabilized hysteresis loop is a characteristic of all hystereses and it is used to determine all of the parameters for the low cycle fatigue (LCF) assessment. The experimental results have given us important information on the understanding of fatigue behaviour of high strength low-alloyed steel (HSLA) and its welded joints.
T2  - Structural Integrity and Life-Integritet I Vek Konstrukcija
T1  - Determination of the coffin-manson equation under low-cycle fatigue conditions
EP  - 228
IS  - 3
SP  - 225
VL  - 21
UR  - https://hdl.handle.net/21.15107/rcub_technorep_4787
ER  - 

@article{
author = "Bulatović, Srđan and Aleksić, Vujadin and Milović, Ljubica and Zečević, Bojana",
year = "2021",
abstract = "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 in fatigue loading of the tested specimens, the crack initiation has been computed. The stabilized hysteresis loop is a characteristic of all hystereses and it is used to determine all of the parameters for the low cycle fatigue (LCF) assessment. The experimental results have given us important information on the understanding of fatigue behaviour of high strength low-alloyed steel (HSLA) and its welded joints.",
journal = "Structural Integrity and Life-Integritet I Vek Konstrukcija",
title = "Determination of the coffin-manson equation under low-cycle fatigue conditions",
pages = "228-225",
number = "3",
volume = "21",
url = "https://hdl.handle.net/21.15107/rcub_technorep_4787"
}

Bulatović, S., Aleksić, V., Milović, L.,& Zečević, B.. (2021). Determination of the coffin-manson equation under low-cycle fatigue conditions. in Structural Integrity and Life-Integritet I Vek Konstrukcija, 21(3), 225-228.
https://hdl.handle.net/21.15107/rcub_technorep_4787

Bulatović S, Aleksić V, Milović L, Zečević B. Determination of the coffin-manson equation under low-cycle fatigue conditions. in Structural Integrity and Life-Integritet I Vek Konstrukcija. 2021;21(3):225-228.
https://hdl.handle.net/21.15107/rcub_technorep_4787 .

Bulatović, Srđan, Aleksić, Vujadin, Milović, Ljubica, Zečević, Bojana, "Determination of the coffin-manson equation under low-cycle fatigue conditions" in Structural Integrity and Life-Integritet I Vek Konstrukcija, 21, no. 3 (2021):225-228,
https://hdl.handle.net/21.15107/rcub_technorep_4787 .