TY - GEN
T1 - β grain growth kinetics of hot-rolled TB-13 alloy
AU - Fei, Yue
AU - Tang, Bin
AU - Chang, Hui
AU - Zhu, Zhishou
AU - Zhou, Zhongbo
AU - Shang, Guoqiang
AU - Li, Jinshan
AU - Zhou, Lian
PY - 2011
Y1 - 2011
N2 - A study on the kinetics of β grain growth of a fine-grained, hot-rolled TB-13 alloy was carried out by isochronal and isothermal solution treatments. The grain size of the as-rolled and as-solution-treated samples was determined by metallographic observation using the linear intercept method. The kinetic equations and the Arrhenius-type equation were applied to calculate the β grain growth exponent and the activation energy for β grain growth at special temperatures. The results showed that the β grain growth rate decreased with elongating solution treated time, but increased with increasing solution treated temperature. The β grain growth exponents (n) were 0.394, 0.403 and 0.406 during the solution treated temperatures at 1103K, 1153K and 1203K, respectively. The values of n increased with increasing solution treated temperature and the determined activation energy (Qm) for β grain growth after holding for 0.5h at 1103K-1203K was around 156KJ/mol.
AB - A study on the kinetics of β grain growth of a fine-grained, hot-rolled TB-13 alloy was carried out by isochronal and isothermal solution treatments. The grain size of the as-rolled and as-solution-treated samples was determined by metallographic observation using the linear intercept method. The kinetic equations and the Arrhenius-type equation were applied to calculate the β grain growth exponent and the activation energy for β grain growth at special temperatures. The results showed that the β grain growth rate decreased with elongating solution treated time, but increased with increasing solution treated temperature. The β grain growth exponents (n) were 0.394, 0.403 and 0.406 during the solution treated temperatures at 1103K, 1153K and 1203K, respectively. The values of n increased with increasing solution treated temperature and the determined activation energy (Qm) for β grain growth after holding for 0.5h at 1103K-1203K was around 156KJ/mol.
KW - Grain growth activation
KW - Grain growth exponent
KW - Solution treated temperature
KW - Solution treated time
KW - TB-13 alloy
UR - http://www.scopus.com/inward/record.url?scp=79959963613&partnerID=8YFLogxK
U2 - 10.4028/www.scientific.net/MSF.689.472
DO - 10.4028/www.scientific.net/MSF.689.472
M3 - 会议稿件
AN - SCOPUS:79959963613
SN - 9783037851739
T3 - Materials Science Forum
SP - 472
EP - 478
BT - Materials Modeling, Simulation, and Characterization
PB - Trans Tech Publications Ltd
ER -