Two microalloyed steels (Nb low carbon and V medium carbon) were tested by means of multistage continuous cooling torsion with aim to evaluate the interpass recrystallization data, by means of Tnr (temperature of no-recrystallization) temperatures. In the region of short interpass intervals, i.e. region where the static recrystallization is governed by the presence of alloying elements in solid solutions, interpass time was varied between 1.8, 2.7, 5 and 10s. Since the recrystallization fraction on Tnr temperature is constant, it was possible to plot lnt-1/T dependence (where t is interpass time and T obtained Tnr temperature) and calculate the slopes representing QSRX, i.e. activation energy for static recrystallization. QSRX values were determined for both low carbon Nb and medium carbon V microalloyed steels and previously reported steels. Calculated values are very close and show good agreement with previously published data estimated after employment the traditional procedure.
Keywords:
activation energy / static recrystallization / Tnr temperature
TY - JOUR
AU - Radović, Nenad
AU - Drobnjak, Đorđe
AU - Raić, Karlo
PY - 2009
UR - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/1399
AB - Two microalloyed steels (Nb low carbon and V medium carbon) were tested by means of multistage continuous cooling torsion with aim to evaluate the interpass recrystallization data, by means of Tnr (temperature of no-recrystallization) temperatures. In the region of short interpass intervals, i.e. region where the static recrystallization is governed by the presence of alloying elements in solid solutions, interpass time was varied between 1.8, 2.7, 5 and 10s. Since the recrystallization fraction on Tnr temperature is constant, it was possible to plot lnt-1/T dependence (where t is interpass time and T obtained Tnr temperature) and calculate the slopes representing QSRX, i.e. activation energy for static recrystallization. QSRX values were determined for both low carbon Nb and medium carbon V microalloyed steels and previously reported steels. Calculated values are very close and show good agreement with previously published data estimated after employment the traditional procedure.
PB - Savez inženjera metalurgije Srbije, Beograd
T2 - Metalurgija
T1 - Determination of activation energy for static recrystallization using multipass continuous cooling torsion test
EP - 104
IS - 2
SP - 99
VL - 15
UR - https://hdl.handle.net/21.15107/rcub_technorep_1399
ER -
@article{
author = "Radović, Nenad and Drobnjak, Đorđe and Raić, Karlo",
year = "2009",
abstract = "Two microalloyed steels (Nb low carbon and V medium carbon) were tested by means of multistage continuous cooling torsion with aim to evaluate the interpass recrystallization data, by means of Tnr (temperature of no-recrystallization) temperatures. In the region of short interpass intervals, i.e. region where the static recrystallization is governed by the presence of alloying elements in solid solutions, interpass time was varied between 1.8, 2.7, 5 and 10s. Since the recrystallization fraction on Tnr temperature is constant, it was possible to plot lnt-1/T dependence (where t is interpass time and T obtained Tnr temperature) and calculate the slopes representing QSRX, i.e. activation energy for static recrystallization. QSRX values were determined for both low carbon Nb and medium carbon V microalloyed steels and previously reported steels. Calculated values are very close and show good agreement with previously published data estimated after employment the traditional procedure.",
publisher = "Savez inženjera metalurgije Srbije, Beograd",
journal = "Metalurgija",
title = "Determination of activation energy for static recrystallization using multipass continuous cooling torsion test",
pages = "104-99",
number = "2",
volume = "15",
url = "https://hdl.handle.net/21.15107/rcub_technorep_1399"
}
Radović, N., Drobnjak, Đ.,& Raić, K.. (2009). Determination of activation energy for static recrystallization using multipass continuous cooling torsion test. in Metalurgija
Savez inženjera metalurgije Srbije, Beograd., 15(2), 99-104.
https://hdl.handle.net/21.15107/rcub_technorep_1399
Radović N, Drobnjak Đ, Raić K. Determination of activation energy for static recrystallization using multipass continuous cooling torsion test. in Metalurgija. 2009;15(2):99-104.
https://hdl.handle.net/21.15107/rcub_technorep_1399 .
Radović, Nenad, Drobnjak, Đorđe, Raić, Karlo, "Determination of activation energy for static recrystallization using multipass continuous cooling torsion test" in Metalurgija, 15, no. 2 (2009):99-104,
https://hdl.handle.net/21.15107/rcub_technorep_1399 .
