High Temperature Deformation Behavior of Ti-7333 Titanium Alloy and its Flow Stress Model

Jiang Kun Fan; Hong Chao Kou; Min Jie Lai; Bin Tang; Hui Chang; Jin Shan Li

doi:10.4028/www.scientific.net/AMR.538-541.945

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 538-541High Temperature Deformation Behavior of Ti-7333...

High Temperature Deformation Behavior of Ti-7333 Titanium Alloy and its Flow Stress Model

Abstract:

The effects of processing parameters on deformation behavior of a new near β titanium alloy were investigated by using compression tests. The experiments were carried out in the Gleeble-3800 thermal and mechanical simulator in the temperature range of 770-970°C and strain rate range of 10^-3-10s^-1, and height direction reduction of 70%. The results show that the flow stress of Ti-7333 titanium alloy increases obviously with the strain and reaches a peak, then decreases to a steady value. The steady and peak stress significantly decreases with the increase of deformation temperature and decrease of strain rate. The flow stress model of Ti-7333 titanium alloy during high temperature deformation was established by using the regression method. The average relative difference between the calculated and experimental flow stress is 6.33%. The flow stress model can efficiently predict the deformation behavior of Ti-7333 titanium alloy during high temperature deformation.

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Periodical:

Advanced Materials Research (Volumes 538-541)

Pages:

945-950

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.538-541.945

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Online since:

June 2012

Authors:

Jiang Kun Fan, Hong Chao Kou, Min Jie Lai, Bin Tang, Hui Chang, Jin Shan Li

Keywords:

Activation Energy, Flow Stress Model, Hot Deformation, Near β Titanium Alloy, Ti-7333

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