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- Title
Phase transformation kinetics of Ti-1300 alloy during continuous heating.
- Authors
Wan, Ming-Pan; Zhao, Yong-Qing; Zeng, Wei-Dong
- Abstract
The α + β → β phase transformation kinetics of Ti-1300 alloy during continuous heating at different heating rates were investigated using dilatometric method. Results show that the curves of the α + β → β phase transformation exhibit a typical S-shaped pattern, which indicates that the α + β → β phase transformation is a nucleation-growth-controlled process. The overall activation energy of the α + β → β transformation of the alloy is 797 kJ·mol. The nucleation and growth mechanism of the α + β → β transformation was also investigated using the non-isothermal Avrami exponent. The Avrami exponent during α + β → β transformation process significantly changes with transformed volume fraction increasing, which indicates that the α + β → β transformation mechanism in the Ti-1300 alloy varies at different sections.
- Publication
Rare Metals, 2015, Vol 34, Issue 4, p233
- ISSN
1001-0521
- Publication type
Article
- DOI
10.1007/s12598-015-0472-y