Hard turning of AISI D3 with CC6050 and CC650 ceramic inserts.
The experiments were based on Taguchi’s L16 orthogonal array.
The ratio of the full tests is, RaCC650 ≈ 1.6 RaCC6050.
The tool life was TCC650 = 18.9 min and TCC6050 = 24 min.
The 3D topographies representation of the machined surfaces.