TY - JOUR
T1 - DEFORMATION RESISTANCE AND RECRYSTALLIZATION OF COMMERCIALLY PURE TITANIUM IN THE HIGH-STRAIN-RATE HOT DEFORMATION.
AU - Senuma, Takehide
AU - Yada, Hiroshi
AU - Yoshimura, Hirobumi
AU - Harada, Hisaaki
AU - Shindo, Takuji
AU - Hamauzu, Shuichi
N1 - Copyright:
Copyright 2017 Elsevier B.V., All rights reserved.
PY - 1986
Y1 - 1986
N2 - The deformation resistance and recrystallization behavior in high-temperature working (600-850 degree C) with high strain rates (2-150 l/s), which covers most hot rolling conditions, have been investigated. Under the usual hot rolling condition, dynamic recrystallization does not occur and the resistance to hot deformation is determined by the balance between strain hardening and dynamic recovery. Flow stress sharply increases with increases in the impurity content at higher purity conditions, while the hardening rate due to the increase in the impurity content becomes smaller if the range exceeds a certain value. The recrystallization ad grain growth behavior of commercially pure titanium is similar to that of plain carbon steels in the austenite phase. In commercially pure titanium, deformation bands, which act as nucleation sites for recrystallization, are more easily formed than in plain carbon steels. The activation energy for hot deformation and recrystallization lies in a range between 220-260 kJ/mol.
AB - The deformation resistance and recrystallization behavior in high-temperature working (600-850 degree C) with high strain rates (2-150 l/s), which covers most hot rolling conditions, have been investigated. Under the usual hot rolling condition, dynamic recrystallization does not occur and the resistance to hot deformation is determined by the balance between strain hardening and dynamic recovery. Flow stress sharply increases with increases in the impurity content at higher purity conditions, while the hardening rate due to the increase in the impurity content becomes smaller if the range exceeds a certain value. The recrystallization ad grain growth behavior of commercially pure titanium is similar to that of plain carbon steels in the austenite phase. In commercially pure titanium, deformation bands, which act as nucleation sites for recrystallization, are more easily formed than in plain carbon steels. The activation energy for hot deformation and recrystallization lies in a range between 220-260 kJ/mol.
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U2 - 10.2355/tetsutohagane1955.72.2_321
DO - 10.2355/tetsutohagane1955.72.2_321
M3 - Article
AN - SCOPUS:0022659287
VL - 72
SP - 321
EP - 328
JO - Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan
JF - Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan
SN - 0021-1575
IS - 2
ER -