Figure 5
From: Voids healing and carbide refinement of cold rolled M50 bearing steel by electropulsing treatment
(a) AFM image of the nano-indentation for the specimen with EPT at peak load of 2 mN; (b) Average hardness of the ferrite matrix for the CR specimens without EPT and with EPT. The insert is load-displacement curves at peak loads of 2 mN.
