Open Access

Table 3

Surface roughness of vane A and B.

Roughness of worn surface of vane A (µm) Ra = 0.060 Ra = 0.095 Ra = 0.079 Ra = 0.097 Average = 0.083
Roughness of substrate of vane A (µm) Ra = 0.117 Ra = 0.098 Ra = 0.109 Ra = 0.096 Average = 0.105
Roughness of worn surface of vane B (µm) Ra = 0.063 Ra = 0.075 Ra = 0.077 Ra = 0.065 Average = 0.070
Roughness of substrate of vane B (µm) Ra = 0.118 Ra = 0.115 Ra = 0.096 Ra = 0.110 Average = 0.110

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