High Temperature Friction and Wear Performance of PVD Coatings under Press Hardening Contact Conditions

Table 2

Thickness, initial surface roughness, and hardness of the investigated PVD coatings.

Material	Thickness (m)	Roughness   (nm)	Hardness	Plasma nitrided substrate
TiAlN	3.8 0.1	104 19	1599 59	Yes
AlCrN 1	2.7 0.2	128 27	1006 54	Yes
CrWN	4.4 0.3	83 20	1214 51	No
AlCrN 2	7.2 0.1	158 26	2316 168	No