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Discontinuous yielding behavior and microstructure evolution during hot deformation of TC11 alloy.
- Source :
-
Materials Science & Engineering: A . Sep2017, Vol. 704, p434-439. 6p. - Publication Year :
- 2017
-
Abstract
- Discontinuous yielding behavior of TC11 alloy was found during hot compression tests at temperatures of 1000–1050 °C and the strain rate of 10 s −1 . The flow stress showed a rapid drop and subsequent oscillation after peak stress before true strain of 0.15. It was proved to be the result of the stress induced phase transformation ( α → β ), which introduced softening effect for the generation of new β phase. Moreover, the magnitude of the stress drop increased with the increasing of the fraction of stress induced phase transformation. In addition, these newly generated β phase were further deformed by subsequent compression strain. As a result, the phase transformation of β → α″ was found in final quenched microstructures. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 09215093
- Volume :
- 704
- Database :
- Academic Search Index
- Journal :
- Materials Science & Engineering: A
- Publication Type :
- Academic Journal
- Accession number :
- 125022179
- Full Text :
- https://doi.org/10.1016/j.msea.2017.08.048