Journal of Materials and Engineering Structures
Volume 7, Numéro 3, Pages 477-486
2020-09-30

Comparative Study Between The Effect Of Carbon "c" And The Effect Of Nitrogen "n" On The Hardness And Corrosion Resistance Of Pure Titanium "ti"



Authors : Sedira Sofiane . Arabet Dallel .

Abstract

In this work, we investigated the effect of carbon and nitrogen on the hardness and electrochemical properties of titanium Ti6Al4V. Thin films of titanium nitride (TiN) and titanium carbide (TiC) were deposited by radio frequency (RF) sputtering to investigate their corrosion resistance compared to pure titanium. Slightly thicker layers were deposited by the same method and under the same conditions are intended for the Vickers microhardness tests. Our samples were characterized by DRX, Raman and FTIR techniques. Anti-corrosion tests in the simulated biological fluid show that TiN is the most corrosion resistant deposit with a corrosion current density Icorr, TiN = 0.184 μA/cm², while hardness tests reveal that TiC is the most hard with a hardness HV = 426 kgf.mm-2.

Keywords

TiN; TiC; Corrosion resistance; Vickers microhardness

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