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Ball and disc configuration where disc is TiC reinforced alloy, you have seen increased CoF and low wear. If the case is disc on disc both counter parts includes hard TiC particles in alloy, do you think the case will be the same? I think hard TiC particles may generate scratches, cracks and more wear. In this case so scenario may be different. It is not in the exact scope of in this paper, but making a direct conclusion TiC adding reduces the wear may not be correct as a general statement. It will bring a value into paper a short discussing on this by the support of literature.

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