Research Article

Influence of WS2 Nanopowder Addition on Friction Characteristics of ta-C Coating by FCVA Method

Figure 5

SEM images and EDS analysis of worn ta-C surfaces with (a) 0 wt%, (b) 4 wt%, and (c) 8 wt% of WS2 powders after tribo-tests.
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(b)
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