Abstract
The effect of ion implantation on the friction and wear behavior of 304 stainless, AISI 1010 and D2 tool steels has been investigated. The stainless steel specimens were implanted with approximately 20at.% N, and those of 1010 and D2 tool steel with approximately 20 at.% Ti + 14–20 at.% C. The ion-implanted specimens were characterized using X-ray diffraction, optical microscopy, Auger electron spectroscopy and wavelength dispersive X-ray spectroscopy. The friction and wear tests were performed on ball-on-disk and pin-on-disk machines. In the pin-on-disk tests, the ion-implanted pin specimens were rubbed against A2 tool steel (heat treated to R c 62–64) disks lubricated with tool and instrument oil. In the ball-on-disk method, the disk specimens were rubbed against 440 C steel balls under dry conditions. Scanning electron microscopy of the wear tracks on disk specimens was performed to investigate the wear mechanism. The results indicate that wear rates of the Ti + C implanted specimens of 1010 and D2 tool steel are lower than those of the non-implanted specimens. Mixed results were obtained for the effect of nitrogen implantation on the wear of 304 stainless steel.
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