Modeling of Flow Stress of 2026 Al Alloy under Hot Compression

Table 1

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

Strain rate (s^−1)	Temperature (°C)			Error analysis
				Error (%)	Mean (%)	Standard deviation (%)
0.01	300	160	239.18	49.49	29.20	19.42
	350	115	126.34	9.86
	400	80	67.53	15.58
	450	72	41.85	41.87
0.1	300	191	277.79	45.44	27.49	15.24
	350	132	150.90	14.32
	400	100	84.64	15.36
	450	83	54.09	34.83
1	300	228	318.32	39.61	25.35	13.74
	350	160	177.83	11.14
	400	125	104.57	16.34
	450	105	68.99	34.30
10	300	240	360.24	50.10	26.83	17.67
	350	186	206.67	11.11
	400	150	127.03	15.31
	450	125	86.51	30.79