Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume 548, Issue -, Pages 6-11Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2012.03.022
Keywords
BT25 titanium alloy; Dynamic globularization; Kinetics; Critical strain; Kinetics rate
Categories
Funding
- State Key Laboratory of Solidification Processing in NWPU [35-TP-2009]
- Doctorate Foundation of Northwestern Polytechnical University [cx201211]
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The dynamic globularization kinetics of BT25 titanium alloy during deformation at temperature range of 940-1000 degrees C and strain rate range of 0.01-10 s(-1) was quantitatively characterized and investigated. The results show that the globularized volume fractions and kinetics rate were fairly sensitive to the various deformation conditions. The strains for initiation and completion of dynamic globularization were predicted through the fitting curves at different processing conditions. The globularized process is restricted by the rate of migration of intraphase boundary. (C) 2012 Elsevier B.V. All rights reserved.
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