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Plastic deformation to enhance plasma-assisted nitriding: On surface contamination induced by Surface Mechanical Attrition Treatment

Abstract : The Surface Mechanical Attrition Treatment is a recent technique leading to the formation of nanostructured layers by the repeated action of impacting balls. While several communications have revealed possible contamination of the SMATed surfaces, the nature of this surface contamination was analyzed in the present contribution for the treatment of an AISI 316L stainless steel. It is shown, by a combination of Transmission Electron Microscopy and Glow Discharge – Optical Emission Spectrometry, that the surface was alloyed with Ti, Al and V coming from the sonotrode that is used to move the balls as well as Zr coming from the zirshot® balls themselves.
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https://hal.univ-lorraine.fr/hal-01518276
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Youssef Samih, Marc Novelli, Tony Thiriet, Bernard Bolle, Nathalie Allain, et al.. Plastic deformation to enhance plasma-assisted nitriding: On surface contamination induced by Surface Mechanical Attrition Treatment. 6th International Conference on Nanomaterials by Severe Plastic Deformation, Jun 2014, Metz, France. pp.012020 ⟨10.1088/1757-899X/63/1/012020⟩. ⟨hal-01518276⟩

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