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A comparison of the LC2 values [36,45,[51], [52], [53], [54],134] (a) and specific wear rates from ball/pin-on-disc evaluations [46,49,[51], [52], [53], [54],129,131,[134], [134],173,179,183] (b) found for coatings currently being researched. The reported values are divided into groups based on the main constituents of the coating.
