TY - JOUR
T1 - 魏氏组织TC17钛合金绝热剪切带（ASB）的组织与织构
AU - Huang, Bin
AU - Ren, Weijia
AU - Zhang, Yanmin
AU - Chen, Shuang
AU - Yang, Yanqing
AU - Luo, Xian
N1 - Publisher Copyright:
© 2018, Science Press. All right reserved./Copyright © 2018, Northwest Institute for Nonferrous Metal Research. Published by Elsevier BV. All rights reserved.
PY - 2018/9/1
Y1 - 2018/9/1
N2 - Hot compression tests were carried out on TC17 titanium alloy with Widmanstatten microstructure by thermal simulation testing machines, and the influence of different deformation parameters on the morphology and structure of the TC17 titanium alloy was characterized by electron back scattered diffraction (EBSD) techniques. The results show that adiabatic shear band (ASB) occurs in the TC17 alloy with Widmanstatten microstructure while the hot compression deformation temperature is over 700℃, and the central region of ASB is mainly composed of equiaxed β-phase grains formed by dynamic re-crystallization and a small amount of α-phase. More residual α phase appears and the β-phase grain size increases with increasing of the hot compression temperature. Different deformation parameters have little effect on the orientation distribution of β-phase in the central region of ASB, and Goss texture mainly forms in β-phase. Furthermore, the TC17 titanium alloy with Widmanstatten microstructure has good adiabatic shear sensitivity, and it increases gradually with the increase of hot compression deformation temperature.
AB - Hot compression tests were carried out on TC17 titanium alloy with Widmanstatten microstructure by thermal simulation testing machines, and the influence of different deformation parameters on the morphology and structure of the TC17 titanium alloy was characterized by electron back scattered diffraction (EBSD) techniques. The results show that adiabatic shear band (ASB) occurs in the TC17 alloy with Widmanstatten microstructure while the hot compression deformation temperature is over 700℃, and the central region of ASB is mainly composed of equiaxed β-phase grains formed by dynamic re-crystallization and a small amount of α-phase. More residual α phase appears and the β-phase grain size increases with increasing of the hot compression temperature. Different deformation parameters have little effect on the orientation distribution of β-phase in the central region of ASB, and Goss texture mainly forms in β-phase. Furthermore, the TC17 titanium alloy with Widmanstatten microstructure has good adiabatic shear sensitivity, and it increases gradually with the increase of hot compression deformation temperature.
KW - Adiabatic shear band (ASB)
KW - Electron back scattered diffraction (EBSD)
KW - TC17 titanium alloy
KW - Widmanstatten microstructure
UR - http://www.scopus.com/inward/record.url?scp=85060144786&partnerID=8YFLogxK
M3 - 文章
AN - SCOPUS:85060144786
SN - 1002-185X
VL - 47
SP - 2705
EP - 2710
JO - Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering
JF - Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering
IS - 9
ER -