Figure 11From: Tribological Behaviors of Electroless Nickel-Boron Coating on Titanium Alloy SurfaceThe XPS spectra of O 1s (a, d, g), Ni 2p (b, e, h) and B 1s (c, f, i) of wear tracks in the as-plated coating (a–c), the air-treated coating (d–f), and the nitrogen-treated coating (g–i) after rubbing against alumina ballBack to article page