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

Figure 9

Analysis results of model II. (a) Normal probability plot (925 ≤ (t) ≤ 980). (b) Histogram (925 ≤ (t) ≤ 980). (c) Normal probability plot (990 ≤ (t) ≤ 1025). (d) Histogram (990 ≤ (t) ≤ 1025).

(a)

(b)

(c)

(d)