r . I his ruork itzue.stigates tlte (~lr,n.sive rue(~r pafoi7nnnm of tlzo7t~(~lly .sj)r(~yeycd Cr3 C2-25 % NiCr coatings 1 9 Al'S ruith Ar/H2, Al'S ruilli Ar/He nnd CC)S detotznlion s/)r(~j c~g(~i7ast AL203 and Si02-doininnled (nbrasive p(~pcrrs using (L pin-o7z-disk nbu~sive testa. The ex@rimental re.sz~lls indicc~te tlznt tl~e rumr re.sistnnce of these conlings inn.e(~.ses in the order of C T~ C2-25 %lViCr (APS-ArH2), Cr3C2-25 % NiCr (Al'S-Ar/He) nizd C?+C2-25 % NiCr (U)S). 7%e SlcM annlyses of 7uom .st~$(~ces iizrlicc~le that the wear n~eclzrcnisins 7nninly inclzcde abrnsion and strnin fatigue. ~Uec~s~creinents of indenlnlion dnnzr~ge shoru lhnt the fictz~re tougl~nes~s r $ llze tl~ree conlings incre(Lsm just it? lhe same order (LS rue(~r resislnnce.
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