Table 1.
Factor level table.
| F actor | Process Parameters | Level | ||
| −1 | 0 | 1 | ||
| X1 | Cooling speed °C/s | 1 | 1.2 | 1.4 |
| X2 | Tempering temperature °C | 500 | 550 | 600 |
| X3 | Holding time h | 4 | 5 | 6 |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.