Title: Investigations on micro-mechanical properties of polycrystalline Ti(C,N) and Zr(C,N) coatings Authors: Idriss El Azhari, José Garcia, Mohammad Zamanzade, Flavio Soldera, Christoph Pauly, Luis Llanes, Frank Mücklich This is the accepted manuscript of an article published in Acta Materialia (Volume 149, 2018, Pages 364-37, DOI: 10.1016/j.actamat.2018.02.053). The version of record is available online at: https://doi.org/10.1016/j.actamat.2018.02.053 This manuscript is distributed under the terms and conditions of the Creative Commons License CC BY-NC-ND 4.0 (https://creativecommons.org/licenses/by-nc-nd/4.0/).