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Formability and anisotropy of the mechanical properties in commercially pure titanium after various routes normal and different speed rolling

Published online by Cambridge University Press:  03 October 2016

Lifei Wang ,
Hua Zhang ,
Guangsheng Huang ,
Miao Cao ,
Xiaoqing Cao ,
Ehsan Mostaed  and
Maurizio Vedani
Lifei Wang*
Affiliation:
Shanxi Key Laboratory of Advanced Magnesium-Based Materials, Taiyuan 030024, China; Key Laboratory of Interface Science and Engineering in Advanced Materials, Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, China; and College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China
Hua Zhang
Affiliation:
Shanxi Key Laboratory of Advanced Magnesium-Based Materials, Taiyuan 030024, China; Key Laboratory of Interface Science and Engineering in Advanced Materials, Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, China; and College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China
Guangsheng Huang
Affiliation:
College of Materials Science and Engineering, Chongqing University, Chongqing 400031, China
Miao Cao
Affiliation:
Shanxi Key Laboratory of Advanced Magnesium-Based Materials, Taiyuan 030024, China
Xiaoqing Cao
Affiliation:
Shanxi Key Laboratory of Advanced Magnesium-Based Materials, Taiyuan 030024, China
Ehsan Mostaed
Affiliation:
Department of Mechanical Engineering, Politecnico di Milano, 20156 Milan, Italy
Maurizio Vedani
Affiliation:
Department of Mechanical Engineering, Politecnico di Milano, 20156 Milan, Italy
*
a) Address all correspondence to this author. e-mail: wanglifei@tyut.edu.cn
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Abstract

Various routes (unidirectional, cross, and three directions) normal and different speed rolling (DSR) are conducted on pure titanium sheet at 673 K and sequent 933 K annealing is followed. The results show that transverse direction (TD)-split double peak texture is kept during unidirectional rolling and a fiber basal texture is formed after cross and three-direction rolling. However, TD-split texture is preserved and rotates about 45° while the fiber basal texture is generated after cross and three direction rolling combining (DSTDR) DSR, respectively. This may be related to the changed strain path and induced shear deformation as well as thermal activation. Due to rotation of grains, the anisotropy of mechanical properties of Ti sheets decreases, especially in various DSR routes. Erichsen value is improved greatly in DSTDR specimens.

Keywords

rollinganisotropyformabilitymicrostructuretexture
Type
Articles
Information
Journal of Materials Research , Volume 31 , Issue 21 , 14 November 2016 , pp. 3372 - 3380
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Copyright
Copyright © Materials Research Society 2016 

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Footnotes

Contributing Editor: Jürgen Eckert

A previous error in this article has been corrected, see 10.1557/jmr.2016.406.

References

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