Optimization of Forging Process Parameters and Prediction Model of Residual Stress of Ti-6Al-4V Alloy

Table 2

Level table of orthogonal test factors.

Levels	Factors
	T (deformation temperature (°C))	D (deformation degree (%))	S (deformation speed (mm·s^−1))
1	925	30	10
2	950	40	50
3	975	50	100
4	1000	60	500
5	1025	70	1000