Effect of Low Temperature Nitriding of 100Cr6 Substrates on TiN Coatings Deposited by IBAD
In this paper we studied the influence of pre-treating the surface of 100Cr6 steel by ion beam nitriding at low temperature (380°C) on the surface topography and wear resistance of thin TiN coatings deposited by reactive ion beam assisted deposition. The specimens were characterized by grazing incidence X-ray diffraction, scanning electron microscopy and atomic force microscopy. The wear resistance of the TiN-coated specimens was evaluated by means of ball on disc tests. The results showed that application of a preliminary ion beam nitriding treatment slightly increased the surface roughness but improved the wear resistance of the 100Cr6 steel due to the formation of a diffusion zone containing the γ'-Fe4N nitride combined with the TiN coating.
Main Authors: | Vales,Sandra dos Santos, Becerra,Erika Abigail Ochoa, Brito,Pedro Paiva, Droppa Junior,Roosevelt, Garcia,Jose Luis, Alvarez,Fernando, Pinto,Haroldo Cavalcanti |
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Format: | Digital revista |
Language: | English |
Published: |
ABM, ABC, ABPol
2015
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Online Access: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392015000100054 |
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