Constitutive Relationship for Hot Deformation of TB18 Titanium Alloy

Table 1

The barrelling coefficient B values under different deformation conditions.

Strain rate	Deformation temperature (°C)
	650	700	750	800	820	850	880
0.001	1.19205	1.15483	1.14460	1.14949	1.12273	1.14120	1.09103
0.01	1.20623	1.17324	1.14540	1.14240	1.12167	1.16406	1.13168
0.1	1.25331	1.16809	1.15232	1.16827	1.11149	1.15791	1.14637
1	1.23472	1.18423	1.20384	1.20712	1.12823	1.20444	1.14137
10	1.31615	1.18826	1.21172	1.18175	1.13728	1.20282	1.11533