Surface Roughness Models and Their Experimental Validation in Micro Milling of 6061-T6 Al Alloy by Response Surface Methodology

Table 6

Significance test analysis of regression coefficient.

value	0.000	0.018	0.022	0.372	0.272	0.782	0.431	0.240	0.562
Significant degree	()	()	()	()	()	()	()	()	()