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Table 3 Model parameters for the plastic anisotropy and asymmetry of Ti-61.8at.%Al alloy

From: Reviewing the class of Al-rich Ti-Al alloys: modeling high temperature plastic anisotropy and asymmetry

Parameters

Name

Values

Rate dependence

Rate sensitivity, n

4.5

 

Drag stress, K(MPa)

122

Isotropic hardening

initial CRSS, R 0(MPa)

14

 

recovery parameter, b

9

Kinematic hardening

internal stress, C(MPa)

3500

 

recovery parameter, d

45

 

parameters for flow accumulation

0.24

 

function, ϕ 0 and δ

and 600