| AVS 61st International Symposium & Exhibition | |
| Tribology Focus Topic | Thursday Sessions |
| Session TR-ThP |
| Session: | Tribology Poster Session |
| Presenter: | Johans Restrepo, Instituto de Investigaciones en Materiales - UNAM, Mexico |
| Authors: | J.S. Restrepo, Instituto de Investigaciones en Materiales - UNAM, Mexico E. Camps, Instituto Nacional de Investigaciones Nucleares, Mexico S. Muhl, Universidad Nacional Autónoma de México |
| Correspondent: | Click to Email |
The TiSiN and TiAlN coatings were deposited using Pulsed Laser Deposition. The films were characterized by SEM-EDS (chemical composition and surface morphology), X-ray diffraction (crystalline structure and grain size) and Nanoindentation (hardness and Young’s modulus). The tribological properties of the coatings were evaluated using scratch testing, using two counter materials (1/16” balls of 100CR6 and Al2O3). To study the plastic deformation caused by the application of the load during the scratch measurements we used 3d profilometry. Finally, micro-Raman spectroscopy was employed to study any deformation-induced on the lattice and the chemical reactions produced, under the different loads, by the contact with the counterpart materials. The results show the TiSiN against alumina had the lower friction coefficient due to not showed reactive process on the surface for all load used just the movement of the Raman peak at lower wave numbers.