Electric-spark hardening of VT3-1 titanium alloy with tungsten-free composite ceramics |
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| Authors: | I A Podchernyaeva V M Panashenko A D Panasyuk O N Grigor’ev A I Dukhota V F Labunets V V Zhiginas |
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| Affiliation: | 1. Institute for Problems of Materials Science, National Academy of Sciences of Ukraine, Kiev
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| Abstract: | The mass transfer and wear resistance of both monolayer and multilayer coatings on VT3-1 alloy are examined. The coatings are deposited by electrospark alloying (ESA) with composite titanium and zirconium refractory ceramics. It is shown that the wear resistance of these electrospark-deposited coatings is 1.6 to 3 times higher in fretting corrosion in unlubricated friction as compared with the conventional WC + 3% Co coating. In addition, the multilayer structure permits four-to fivefold increase in the coating thickness as opposed to the monolayer WC + 3% Co ESA coating. |
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