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- Title
Analysis of high flow stress and microstructural evolution of TC6 titanium alloy during isothermal forging.
- Authors
A.-M. Xiong; M.-Q. Li; W.-C. Huang; S.-H. Chen; H. Lin
- Abstract
Elevated temperature true stress – strain curves have been determined for the isothermal deformation of a TC6 titanium alloy using hot compression testing in the deformation temperature range 800 – 1040°C, strain rate range 0.001 – 50 s-1 and reduction in height of 30 – 50%. The experimental results show that the flow stress of TC6 titanium alloy is strongly dependent on process parameters, especially on the deformation temperature and strain rate. The peak stress and steady stress of such an alloy have the same characterisation, which increases with higher strain rate and lower deformation temperature. During isothermal forging, microstructural characterisation, including volume fraction, grain size, and grain pattern of prior α phase, varies with different temperatures, height reductions, and strain rates.
- Subjects
STRAINS &; stresses (Mechanics); TITANIUM alloys; DEFORMATIONS (Mechanics); MICROSTRUCTURE; MECHANICS (Physics)
- Publication
Materials Science & Technology, 2004, Vol 20, Issue 10, p1257
- ISSN
0267-0836
- Publication type
Article
- DOI
10.1179/026708304X6095