Fig 1.
Testing schedule.
Fig 2.
Surface morphology of various samples (a) Untreated, (b) SP1, (c) SP2, (d) SP3, (e) SP4, (f) SP5.
Fig 3.
Microstructures of various samples (a) Untreated, (b) SP1, (c) SP2, (d) SP3, (e) SP4, (f) SP5, (6) Cross-section of SP5 specimen.
Fig 4.
XRD of various samples.
Fig 5.
Microhardness of various samples.
Fig 6.
Residual stress of various samples.
Fig 7.
Friction coefficients of various types of specimens (a) Untreated, (b) SP1, (c) SP2, (d) SP3, (e) SP4, (f) SP5, (6) Average friction coefficient.
Fig 8.
Wear profiles and wear rates of various types of specimens (a) Untreated, (b) SP4, (c) SP5, (d) Wear profiles, (e) Wear rates.
Fig 9.
Wear morphology of various types of specimens (a) Untreated, (b) SP1, (c) SP2, (d) SP3, (e) SP4, (f) SP5.