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Flow stress behavior of commercial pure titanium sheet during warm tensile deformation
Highlights ► The flow stress behavior of commercial pure titanium (CP-Ti) alloy sheet is discussed. ► The warm tensile deformation at different temperatures and strain rates was studied. ► The Fields–Backofen Model was introduced to simulate the flow stress evolution.
Abstract The flow stress behavior of commercial pure titanium (CP-Ti) sheet was studied by uniaxial warn tension tests at temperatures ranging from 623K to 773K and strain rates from 5.0×10−2 to 8.3×10−4 s−1. A mathematical model using an updated Fields–Backofen (FB) equation was established to describe the flow stress behavior of CP-Ti during warm tensile testing. The results show that the flow stress of CP-Ti is evidently affected by both deformation temperature and strain rate, i.e., the flow stress decreases with the decrease of strain rate and the increase of deformation temperature, and a typical characteristic of dynamic recrystallization softening. The flow stress curves analyzed by FB equation shows good agreement with experimental flow curves for different temperatures and strain rates for CP-Ti sheet.
Flow stress behavior of commercial pure titanium sheet during warm tensile deformation
Highlights ► The flow stress behavior of commercial pure titanium (CP-Ti) alloy sheet is discussed. ► The warm tensile deformation at different temperatures and strain rates was studied. ► The Fields–Backofen Model was introduced to simulate the flow stress evolution.
Abstract The flow stress behavior of commercial pure titanium (CP-Ti) sheet was studied by uniaxial warn tension tests at temperatures ranging from 623K to 773K and strain rates from 5.0×10−2 to 8.3×10−4 s−1. A mathematical model using an updated Fields–Backofen (FB) equation was established to describe the flow stress behavior of CP-Ti during warm tensile testing. The results show that the flow stress of CP-Ti is evidently affected by both deformation temperature and strain rate, i.e., the flow stress decreases with the decrease of strain rate and the increase of deformation temperature, and a typical characteristic of dynamic recrystallization softening. The flow stress curves analyzed by FB equation shows good agreement with experimental flow curves for different temperatures and strain rates for CP-Ti sheet.
Flow stress behavior of commercial pure titanium sheet during warm tensile deformation
Tsao, L.C. (author) / Wu, H.Y. (author) / Leong, J.C. (author) / Fang, C.J. (author)
2011-07-26
6 pages
Article (Journal)
Electronic Resource
English
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