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The resistance against cavitation erosion of hydrogenated a-C:H coated materials coated by PECVD process has been evaluated. Coatings of thicknesses between 50 and 300nm were deposited on a pseudoelastic NiTi and two stainless steel substrates and were tested by vibratory cavitation. The results show that the incubation periods of the tested coatings deposited on steel substrates were differently...
Ni-Ti protective layers are under development to increase the cavitation resistance of materials such as stainless steel. For the present work, layers were obtained by vacuum plasma spraying (VPS) from both elemental powder mixtures and pre-alloyed powder. Characterization was done with respect to phase formation and impurity content. Cavitation erosion resistance was examined using a standard ultrasonic...
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