Modeling of Flow Stress of 2026 Al Alloy under Hot Compression

Table 2

Comparisons of the predicated () and measured () peak stress (unit: MPa) after the modification of parameter.

Strain rate (s^−1)	Temperature (°C)			Error analysis
				Error (%)	Mean (%)	Standard deviation (%)
0.01	300	160	169.37	5.86	3.03	2.4
	350	115	115.28	0.24
	400	80	81.72	2.15
	450	72	69.22	3.87
0.1	300	191	202.22	5.87	4.14	2.03
	350	132	138.54	4.96
	400	100	101.21	1.21
	450	83	86.76	4.53
1	300	228	238.21	4.48	2.53	1.44
	350	160	164.37	2.73
	400	125	123.29	1.37
	450	105	106.60	1.52
10	300	240	246.77	2.82	2.62	0.72
	350	186	192.33	3.40
	400	150	147.50	1.66
	450	125	128.22	2.58