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Supervised by Ministry of Industry and Information Technology of The People's Republic of China Sponsored by Harbin Institute of Technology Editor-in-chief Yu Zhou ISSNISSN 1005-9113 CNCN 23-1378/T

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Related citation:Qiang Cao,Qingdong Zhang,Xiaofeng Zhang.Anisotropy of Mechanical Behavior in Commercially Pure Titanium Sheets[J].Journal of Harbin Institute Of Technology(New Series),2015,22(1):63-67.DOI:10.11916/j.issn.1005-9113.2015.01.010.
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Anisotropy of Mechanical Behavior in Commercially Pure Titanium Sheets
Author NameAffiliation
Qiang Cao School of Mechanical Engineering, University of Science and Technology Beijing, Beijing 100083, China 
Qingdong Zhang School of Mechanical Engineering, University of Science and Technology Beijing, Beijing 100083, China 
Xiaofeng Zhang School of Mechanical Engineering, University of Science and Technology Beijing, Beijing 100083, China 
Abstract:
Commercially pure titanium (CP Ti) sheets show typical planar anisotropy due to inherently crystallographic texture and rolling process. To characterize the initial, planar, plastic anisotropy of CP Ti sheets in forming process, uniaxial tensile tests of cold-rolled TA1 sheets at 0°, 45° and 90° to the rolling direction were performed at room temperature, corresponding stress-strain curves and Lankford coefficient (r value) were obtained. Based on Hill’48 and Barlat’89 yield criteria, the anisotropic behavior of TA1 sheets was investigated. In order to verify the accuracy of two models, the experimental values of yield stress and r were compared with predicted ones. It revealed that Barlat’89 criterion with M=6 is the best agreement with experimental data, and the obtained model can be used in the simulation of forming process.
Key words:  commercially pure titanium  anisotropy  yield criterion  mechanical behavior
DOI：10.11916/j.issn.1005-9113.2015.01.010
Clc Number:TG146.2+3
Fund:

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