Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
10668462 | Surface and Coatings Technology | 2011 | 5 Pages |
Abstract
The article reports on the dependency of friction and wear of a-(Ti,C,N) films on the nitrogen content. The amount of nitrogen N in the film was controlled by partial pressure of nitrogen pN2 in the Ar + N2 sputtering gas mixture. It is shown that the incorporation of N in the film results in the increase of (i) the coefficient of friction μ (increases from 0.12 to 0.37), (ii) the coefficient of wear k (increases from 0.16 Ã 10â6 to 0.93 Ã 10â6 mm3/N m) and the decrease of (i) the film hardness H, (ii) effective Young's modulus Eâ, (iii) the elastic recovery We of film and (iv) the ratio H/Eâ. The changes of μ and k of the a-(Ti,C,N) film correlate well with changes of the film mechanical properties (H and Eâ) and its mechanical behavior (We, H/Eâ and the ratio H3/Eâ2) characterizing the film resistance to plastic deformation.
Related Topics
Physical Sciences and Engineering
Materials Science
Nanotechnology
Authors
J. Musil, M. Hromadka, P. Novak,