Mechanical and Tribological Properties of PVD-Coated Cemented Carbide as Evaluated by a New Multipass Scratch-Testing Method

Table 1

Deposition process parameters and thickness for the coatings investigated.

	Ti0.86Si0.14N	Ti0.34Al0.66N	(Al0.7Cr0.3)2O3
Thickness (𝜇m)	2.5	2.5	3.5
Cathode	Ti0.80Si0.20	Ti0.33Al0.67	Al0.70Cr0.30
Atmosphere	N2	N2	O2
Pressure (Pa)	4	4	1
Bias (V)	−30	−50	−100
Temp. (°C)	450	450	550