In this paper microstructural and mechanical properties of high-carbon steel surface welded layer obtained with self-shielded flux cored wire are presented in standard rails and crossings. The testing results of tensile characteristics, hardness, toughness via instrumented Charpy pendulum, microstructural analysis and fatigue crack growth resistance of all characteristical zones are analyzed in detail, especially from the point of view of interaction between microstructure and properties. The obtained results indicate superior properties of repaired welded layers, which is due to their similarity to the new generation of bainitic steel, i.e., due to the change of microstructure from original pearlitic structure to final bainitic structure. Finally, fatigue crack growth parameters have shown that deposite layer has higher resistance than the crack growth, improving overall reliability of rails and crossings.
TY - JOUR
AU - Popović, Olivera
AU - Prokić-Cvetković, Radica
AU - Sedmak, Aleksandar
AU - Grabulov, Vencislav
AU - Burzić, Zijah
AU - Rakin, Marko
PY - 2010
UR - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/5584
AB - In this paper microstructural and mechanical properties of high-carbon steel surface welded layer obtained with self-shielded flux cored wire are presented in standard rails and crossings. The testing results of tensile characteristics, hardness, toughness via instrumented Charpy pendulum, microstructural analysis and fatigue crack growth resistance of all characteristical zones are analyzed in detail, especially from the point of view of interaction between microstructure and properties. The obtained results indicate superior properties of repaired welded layers, which is due to their similarity to the new generation of bainitic steel, i.e., due to the change of microstructure from original pearlitic structure to final bainitic structure. Finally, fatigue crack growth parameters have shown that deposite layer has higher resistance than the crack growth, improving overall reliability of rails and crossings.
PB - Assoc Mechanical Engineers Technicians Slovenia, Ljubljana
T2 - Strojniski Vestnik-Journal of Mechanical Engineering
T1 - Characterisation of High-Carbon Steel Surface Welded Layer
EP - 300
IS - 5
SP - 295
VL - 56
UR - https://hdl.handle.net/21.15107/rcub_machinery_1103
ER -
@article{
author = "Popović, Olivera and Prokić-Cvetković, Radica and Sedmak, Aleksandar and Grabulov, Vencislav and Burzić, Zijah and Rakin, Marko",
year = "2010",
abstract = "In this paper microstructural and mechanical properties of high-carbon steel surface welded layer obtained with self-shielded flux cored wire are presented in standard rails and crossings. The testing results of tensile characteristics, hardness, toughness via instrumented Charpy pendulum, microstructural analysis and fatigue crack growth resistance of all characteristical zones are analyzed in detail, especially from the point of view of interaction between microstructure and properties. The obtained results indicate superior properties of repaired welded layers, which is due to their similarity to the new generation of bainitic steel, i.e., due to the change of microstructure from original pearlitic structure to final bainitic structure. Finally, fatigue crack growth parameters have shown that deposite layer has higher resistance than the crack growth, improving overall reliability of rails and crossings.",
publisher = "Assoc Mechanical Engineers Technicians Slovenia, Ljubljana",
journal = "Strojniski Vestnik-Journal of Mechanical Engineering",
title = "Characterisation of High-Carbon Steel Surface Welded Layer",
pages = "300-295",
number = "5",
volume = "56",
url = "https://hdl.handle.net/21.15107/rcub_machinery_1103"
}
Popović, O., Prokić-Cvetković, R., Sedmak, A., Grabulov, V., Burzić, Z.,& Rakin, M.. (2010). Characterisation of High-Carbon Steel Surface Welded Layer. in Strojniski Vestnik-Journal of Mechanical Engineering
Assoc Mechanical Engineers Technicians Slovenia, Ljubljana., 56(5), 295-300.
https://hdl.handle.net/21.15107/rcub_machinery_1103
Popović O, Prokić-Cvetković R, Sedmak A, Grabulov V, Burzić Z, Rakin M. Characterisation of High-Carbon Steel Surface Welded Layer. in Strojniski Vestnik-Journal of Mechanical Engineering. 2010;56(5):295-300.
https://hdl.handle.net/21.15107/rcub_machinery_1103 .
