Multiobjective Optimization for Forming Process Parameters of Ultrahigh Strength Steel BR1500HS

Table 3

Experimental results.

No.	θ (°C)	t (min)	H (HRC)	σ (MPa)	δ (%)
1	800.00	4.00	39.8	1,123.86	8.87
2	850.00	2.00	49.8	1,521.08	9.65
3	850.00	6.00	45.3	1,492.53	9.69
4	900.00	0.00	51.8	1,601.32	11.16
5	900.00	8.00	47.2	1,514.56	9.73
6	900.00	4.00	50.3	1,572.56	11.83
7	900.00	4.00	50.3	1,572.56	11.83
8	900.00	4.00	50.3	1,572.56	11.83
9	900.00	4.00	50.3	1,572.56	11.83
10	900.00	4.00	50.3	1,572.56	11.83
11	950.00	6.00	48.6	1,518.61	10.36
12	950.00	2.00	48.9	1,532.54	10.98
13	1,000.00	4.00	47.5	1,124.67	7.76