Research Article

Effects of Surface Coating Preparation and Sliding Modes on Titanium Oxide Coated Titanium Alloy for Aerospace Applications

Figure 8

OM images of the four sliding tracks (a) S1 at 20 μm thickness, (b) S1 at 30 μm thickness, (c) S2 at 20 μm thickness, and (d) S2 at 30 μm thickness under 300 N of pressing load and 50 cycles with marked typical wear failure areas.
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(a)
640364.fig.008b
(b)
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(c)
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(d)