TY  - CONF
AU  - Aleksić, Vujadin
AU  - Dojčinović, Marina
AU  - Milović, Ljubica
AU  - Zečević, Bojana
AU  - Prodanović, Ana
PY  - 2021
UR  - http://rims.institutims.rs/handle/123456789/780
AB  - Broken test tubes for low-cycle fatigue testing of Nionicral 70 (NN-70) parent material (PM) steel
and simulated heat-affected zones (SHAZ) were used to produce samples for cavitation resistance
testing. Ultrasonic vibrational cavitation method (stationary sample method) was applied for
testing in laboratory conditions. The test conditions and procedure, sample preparation and
interpretation of results are defined by ASTM G32. The surfaces of the NN-70 PM and SHAZ steel
samples were exposed to cavitation and damage monitoring over time. Measuring the weight loss of
samples on the analytical balance after a certain time allowed us to determine the cavitation
velocity as a measure of the material's resistance to the effect of cavitation. Scanning electron
microscopy (SEM) was applied to monitor variations in surface morphology with changing test
time. On the basis of the results of the cavitation resistance test, the morphologies of the surface
damage for different exposure times of the cavitation of PM and SHAZ steel NN-70 samples were
analyzed, as well as the mechanisms that led to the damage of the sample surfaces.
PB  - SERBIAN SOCIETY OF CORROSION AND MATERIALS PROTECTION (UISKOZAM)
C3  - XXII YuCorr,: Međunarodna konferencija: Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine
T1  - Mechanisms and morphologies of cavitation damage of NN 70 steel
EP  - 247
SP  - 237
UR  - https://hdl.handle.net/21.15107/rcub_rims_780
ER  - 

@conference{
author = "Aleksić, Vujadin and Dojčinović, Marina and Milović, Ljubica and Zečević, Bojana and Prodanović, Ana",
year = "2021",
abstract = "Broken test tubes for low-cycle fatigue testing of Nionicral 70 (NN-70) parent material (PM) steel
and simulated heat-affected zones (SHAZ) were used to produce samples for cavitation resistance
testing. Ultrasonic vibrational cavitation method (stationary sample method) was applied for
testing in laboratory conditions. The test conditions and procedure, sample preparation and
interpretation of results are defined by ASTM G32. The surfaces of the NN-70 PM and SHAZ steel
samples were exposed to cavitation and damage monitoring over time. Measuring the weight loss of
samples on the analytical balance after a certain time allowed us to determine the cavitation
velocity as a measure of the material's resistance to the effect of cavitation. Scanning electron
microscopy (SEM) was applied to monitor variations in surface morphology with changing test
time. On the basis of the results of the cavitation resistance test, the morphologies of the surface
damage for different exposure times of the cavitation of PM and SHAZ steel NN-70 samples were
analyzed, as well as the mechanisms that led to the damage of the sample surfaces.",
publisher = "SERBIAN SOCIETY OF CORROSION AND MATERIALS PROTECTION (UISKOZAM)",
journal = "XXII YuCorr,: Međunarodna konferencija: Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine",
title = "Mechanisms and morphologies of cavitation damage of NN 70 steel",
pages = "247-237",
url = "https://hdl.handle.net/21.15107/rcub_rims_780"
}

Aleksić, V., Dojčinović, M., Milović, L., Zečević, B.,& Prodanović, A.. (2021). Mechanisms and morphologies of cavitation damage of NN 70 steel. in XXII YuCorr,: Međunarodna konferencija: Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine
SERBIAN SOCIETY OF CORROSION AND MATERIALS PROTECTION (UISKOZAM)., 237-247.
https://hdl.handle.net/21.15107/rcub_rims_780

Aleksić V, Dojčinović M, Milović L, Zečević B, Prodanović A. Mechanisms and morphologies of cavitation damage of NN 70 steel. in XXII YuCorr,: Međunarodna konferencija: Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine. 2021;:237-247.
https://hdl.handle.net/21.15107/rcub_rims_780 .

Aleksić, Vujadin, Dojčinović, Marina, Milović, Ljubica, Zečević, Bojana, Prodanović, Ana, "Mechanisms and morphologies of cavitation damage of NN 70 steel" in XXII YuCorr,: Međunarodna konferencija: Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine (2021):237-247,
https://hdl.handle.net/21.15107/rcub_rims_780 .

TY  - CONF
AU  - Aleksić, Bojana
AU  - Aleksić, Vujadin
AU  - Milović, Ljubica
AU  - Hemer, Abubkr
AU  - Prodanović, Ana
PY  - 2018
UR  - http://rims.institutims.rs/handle/123456789/771
AB  - Because of the high heating and cooling velocity values, welding procedure is an unstable process. During
welding, changes in microstructure are occurring under overheating and/or cooling conditions. In comparing to the
parent steel (PM), throughout welding of steel alloys, a whole series of complex processes are performed which
influence to the appearance of different weldments microstructure and at the level of stresses in the weld metal
(WM) and the heat-affected zone (HAZ). In present paper, the analytic dependence between Vickers hardness (HV) values and cooling time im temperature interval from 800C to 500C (t8/5) will be determined using the test
results of experimental investigation of NIONICRAL 70 (NN-70) steel.
C3  - 18th International Conference on New Trends in Fatigue and Fracture NT2F18
T1  - Determination of polynomial depending between hardness and cooling time t8/5 of steel NIONICRAL 70 heat affected zone
EP  - 90
SP  - 87
UR  - https://hdl.handle.net/21.15107/rcub_rims_771
ER  - 

@conference{
author = "Aleksić, Bojana and Aleksić, Vujadin and Milović, Ljubica and Hemer, Abubkr and Prodanović, Ana",
year = "2018",
abstract = "Because of the high heating and cooling velocity values, welding procedure is an unstable process. During
welding, changes in microstructure are occurring under overheating and/or cooling conditions. In comparing to the
parent steel (PM), throughout welding of steel alloys, a whole series of complex processes are performed which
influence to the appearance of different weldments microstructure and at the level of stresses in the weld metal
(WM) and the heat-affected zone (HAZ). In present paper, the analytic dependence between Vickers hardness (HV) values and cooling time im temperature interval from 800C to 500C (t8/5) will be determined using the test
results of experimental investigation of NIONICRAL 70 (NN-70) steel.",
journal = "18th International Conference on New Trends in Fatigue and Fracture NT2F18",
title = "Determination of polynomial depending between hardness and cooling time t8/5 of steel NIONICRAL 70 heat affected zone",
pages = "90-87",
url = "https://hdl.handle.net/21.15107/rcub_rims_771"
}

Aleksić, B., Aleksić, V., Milović, L., Hemer, A.,& Prodanović, A.. (2018). Determination of polynomial depending between hardness and cooling time t8/5 of steel NIONICRAL 70 heat affected zone. in 18th International Conference on New Trends in Fatigue and Fracture NT2F18, 87-90.
https://hdl.handle.net/21.15107/rcub_rims_771

Aleksić B, Aleksić V, Milović L, Hemer A, Prodanović A. Determination of polynomial depending between hardness and cooling time t8/5 of steel NIONICRAL 70 heat affected zone. in 18th International Conference on New Trends in Fatigue and Fracture NT2F18. 2018;:87-90.
https://hdl.handle.net/21.15107/rcub_rims_771 .

Aleksić, Bojana, Aleksić, Vujadin, Milović, Ljubica, Hemer, Abubkr, Prodanović, Ana, "Determination of polynomial depending between hardness and cooling time t8/5 of steel NIONICRAL 70 heat affected zone" in 18th International Conference on New Trends in Fatigue and Fracture NT2F18 (2018):87-90,
https://hdl.handle.net/21.15107/rcub_rims_771 .