Erratum to: Tribol Lett (2015) 60:2 DOI 10.1007/s11249-015-0581-7

Owing to an unfortunate error during the production process, the original article was published with an incorrect version of Fig. 4, which is corrected with this erratum. The original publication has also been updated.

The corrected Fig. 4 and its caption are given below:

Fig. 4
figure 4

Transfer films. a Optical images of transfer films for each countersample. b Scanning electron micrographs of the 0°, 45° and 90° wear tracks. The transfer films are visibly more continuous and uniform as the roughness angle approaches 90°