Material Constants of TC18 Titanium Alloy Deformated in α+β Region

Xin Zhao; Hong Zhao; Rui Zhang

doi:10.4028/www.scientific.net/AMR.490-495.3323

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 490-495Material Constants of TC18 Titanium Alloy...

Material Constants of TC18 Titanium Alloy Deformated in α+β Region

Abstract:

The hot deformation behavior of TC18 titanium alloy was studied in alpha-beta phase region. The temperature range was 1023-1123K and strain rate range 1-0.001-1s-1. The material constants of the alloy, including deformation activation energy ΔH as 364.823kJ / mol, stress-level coefficient α as 0.0086mm2/ N, stress exponential n as 3.8442 and structural factor A as 1.2601×1015s–1 were derived by Zener-Hollomon method from the interdependencies of flow stress, strain rate and temperature

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Periodical:

Advanced Materials Research (Volumes 490-495)

Pages:

3323-3326

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.490-495.3323

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Online since:

March 2012

Authors:

Xin Zhao, Hong Zhao, Rui Zhang

Keywords:

Activation Energy, Flow Stress, Hot Working, Titanium Alloy

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