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The paper presents the results of a research on the effect of Ti preimplantation in high-speed steel on the properties of TiN hard coatings. Highly polished plates of HS 6-5-2 steel were implanted with various fluencies of Ti ions and next PVD coated with TiN. The studied effects included the layer hardness, adhesion strength, wear resistance and turning tests. The adhesion strength was estimated...
Titanium nitride (TiN) coatings were prepared on HS 6-5-2 high-speed steel cutting inserts and next implanted either with Al ions (fluence 2×10 17 ions/cm 2 ) or with Al and N ions (fluence (1+1)×10 17 ions/cm 2 ) on the rake face. Microhardness and friction coefficient of the implanted surfaces were examined. A noticeable increase of microhardness in Al implanted inserts...
Nearly 100 cutting tools made of SK5M tool steel (DIN S 6-5-2-5) were implanted with 80keV nitrogen ions at fluences ranging from 1 to 5×10 17 cm −2 . The tool lifetimes were examined during routine shaping of roller-bearing rings made of LH15 bearing steel on the production line of an industrial roller-bearing manufacturer. It was found that the lifetime-dose dependence could be described...
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