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Table 9 Validation of Face Centered Central Composite Design

From: Impact of nose radius and machining parameters on surface roughness, tool wear and tool life during turning of AA7075/SiC composites for green manufacturing

Ex Response AA7075/15wt%SiC (20-40 μm) composites
Exp value Model value % change
1 Surface roughness (microns) 2.91 2.84 7.6
24 Tool life (minute) 3.1 3.4 8.8