Fig. 7
From: The effect of QPQ treatment on the wear and corrosion resistance of 42CrMo bearing steel

Potential-dependent polarization curves of QPQ-treated and untreated 42CrMo steel in a 3.5 wt% NaCl solution.
From: The effect of QPQ treatment on the wear and corrosion resistance of 42CrMo bearing steel

Potential-dependent polarization curves of QPQ-treated and untreated 42CrMo steel in a 3.5 wt% NaCl solution.