Sample No. | Sample Details | |||
Heat Treatment Temperature (˚C) | Cooling Conditions | Average Hardness (HV) | Standard Deviation | |
1 | 450 | FA-type | 169 | 2.1 |
2 | 450 | N-type | 180 | 3.6 |
3 | 500 | FA-type | 188 | 6.4 |
4 | 500 | N-type | 189 | 6.4 |
5 | 550 | FA-type | 183 | 8.7 |
6 | 550 | N-type | 190 | 9.8 |
7 | 600 | FA-type | 186 | 13.5 |
8 | 600 | N-type | 185 | 4.0 |
9 | 650 | FA-type | 196 | 3.8 |
10 | 650 | N-type | 184 | 8.5 |
11 | 700 | FA-type | 206 | 2.0 |
12 | 700 | N-type | 197 | 4.6 |
13 | 750 | FA-type | 201 | 3.1 |
14 | 750 | N-type | 202 | 7.2 |
15 | 800 | FA-type | 196 | 2.0 |
16 | 800 | N-type | 198 | 2.0 |
17 | 850 | FA-type | 193 | 9.9 |
18 | 850 | N-type | 198 | 4.0 |
19 | 900 | FA-type | 197 | 8.9 |
20 | 900 | N-type | 293 | 10.6 |
21 | 950 | FA-type | 187 | 6.0 |
22 | 950 | N-type | 384 | 11.0 |
23 | 1000 | FA-type | 171 | 5.1 |
24 | 1000 | N-type | 422 | 11.9 |
25 | 1050 | FA-type | 181 | 12.5 |
26 | 1050 | N-type | [300]a |
|
27 | 1100 | FA-type | 153 | 9.5 |
28 | 1100 | N-type | [293]a |
|
As-cast (AC) (29) | - | - | 204 | 4.0 |
QS (30) | 1100 | Quenched | [756]b |
|