TY - JOUR
T1 - Phase dependent restoration mechanisms of TC8 titanium alloy during hot compression in the two phase region
AU - Wang, K.
AU - Luan, B. F.
AU - Li, M. Q.
AU - Liu, Q.
N1 - Publisher Copyright:
© Published under licence by IOP Publishing Ltd.
PY - 2015/8/7
Y1 - 2015/8/7
N2 - The TC8 titanium alloy was isothermally compressed at 1133 K and 1213 K in the (α+β) two phase region. The microstructural evolution and restoration mechanism in the α and β phases were characterized by optical microscopy and transmission electron microscopy. The results show a significant effect of phase content on the microstructural evolution and restoration mechanism. The grain refinement occurs in the α phase at both temperatures, but in the β phase only at the higher temperature of 1213 K. This difference in microstructural evolution is attributed to the different temperature dependence of restoration mechanisms in the two phases. A significant increase in the volume fraction of β phase makes the restoration mechanism in the β phase change from dynamic recovery (DRV) to dynamic recrystallization (DRX), which subsequently induces the β grain refinement.
AB - The TC8 titanium alloy was isothermally compressed at 1133 K and 1213 K in the (α+β) two phase region. The microstructural evolution and restoration mechanism in the α and β phases were characterized by optical microscopy and transmission electron microscopy. The results show a significant effect of phase content on the microstructural evolution and restoration mechanism. The grain refinement occurs in the α phase at both temperatures, but in the β phase only at the higher temperature of 1213 K. This difference in microstructural evolution is attributed to the different temperature dependence of restoration mechanisms in the two phases. A significant increase in the volume fraction of β phase makes the restoration mechanism in the β phase change from dynamic recovery (DRV) to dynamic recrystallization (DRX), which subsequently induces the β grain refinement.
UR - http://www.scopus.com/inward/record.url?scp=84941236607&partnerID=8YFLogxK
U2 - 10.1088/1757-899X/89/1/012047
DO - 10.1088/1757-899X/89/1/012047
M3 - 会议文章
AN - SCOPUS:84941236607
SN - 1757-8981
VL - 89
JO - IOP Conference Series: Materials Science and Engineering
JF - IOP Conference Series: Materials Science and Engineering
IS - 1
M1 - 012047
T2 - 36th Riso International Symposium on Materials Science
Y2 - 7 September 2015 through 11 September 2015
ER -