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

Figure 5

Scanning electron micrographs in secondary mode of (a) an AlCrN 2 coated tool pin and (b) a CrWN coated tool pin as well as (c) an AlCrN 2 coated tool pin at higher magnification after sliding against uncoated 22MnB5 steel; arrows indicate the sliding direction.

(a)

(b)

(c)