Investigation of the microstructure of a graded ZrN/Ti0.33Al0.67N multilayer coating using cross-sectional characterization methods
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In: Surface & coatings technology, Vol. 453.2023, No. 25 January, 129126, 25.01.2023.
Research output: Contribution to journal › Article › Research › peer-review
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TY - JOUR
T1 - Investigation of the microstructure of a graded ZrN/Ti0.33Al0.67N multilayer coating using cross-sectional characterization methods
AU - Frank, Florian
AU - Tkadletz, Michael
AU - Saringer, Christian
AU - Czettl, Christoph
AU - Pohler, Markus
AU - Burghammer, M.
AU - Todt, Juraj
AU - Zalesak, Jakub
AU - Keckes, Jozef
AU - Schalk, Nina
N1 - Publisher Copyright: © 2022 The Authors
PY - 2023/1/25
Y1 - 2023/1/25
N2 - An approach to enhance the performance of protective hard coatings for cutting applications is to modify the coating architecture by combining two inherently different materials in a multilayer. Besides the choice of the materials, the thickness of the individual layers strongly influences the coating microstructure and consequently also its properties. Within this work, a graded ZrN/Ti 0.33Al 0.67N multilayer coating with constant Ti 0.33Al 0.67N and stepwise increasing ZrN layer thickness was investigated in detail by a combinatorial approach of cross-sectional X-ray nanodiffraction, electron backscatter diffraction and transmission electron microscopy. The primary aim was to obtain a profound understanding of the microstructure of the coating as well as of the residual stress state. (Semi-)coherent grain growth was observed independently of the ZrN layer thickness. Changes in the multilayer architecture were found to affect not only the grain size, but also the residual stress state of the coating. While the grain size increased with increasing ZrN layer thickness, the residual stress decreased. This work contributes to a deeper understanding of the influence of the multilayer architecture on the microstructure and stress state of heteroepitactic multilayer coatings.
AB - An approach to enhance the performance of protective hard coatings for cutting applications is to modify the coating architecture by combining two inherently different materials in a multilayer. Besides the choice of the materials, the thickness of the individual layers strongly influences the coating microstructure and consequently also its properties. Within this work, a graded ZrN/Ti 0.33Al 0.67N multilayer coating with constant Ti 0.33Al 0.67N and stepwise increasing ZrN layer thickness was investigated in detail by a combinatorial approach of cross-sectional X-ray nanodiffraction, electron backscatter diffraction and transmission electron microscopy. The primary aim was to obtain a profound understanding of the microstructure of the coating as well as of the residual stress state. (Semi-)coherent grain growth was observed independently of the ZrN layer thickness. Changes in the multilayer architecture were found to affect not only the grain size, but also the residual stress state of the coating. While the grain size increased with increasing ZrN layer thickness, the residual stress decreased. This work contributes to a deeper understanding of the influence of the multilayer architecture on the microstructure and stress state of heteroepitactic multilayer coatings.
UR - http://www.scopus.com/inward/record.url?scp=85144017929&partnerID=8YFLogxK
U2 - 10.1016/j.surfcoat.2022.129126
DO - 10.1016/j.surfcoat.2022.129126
M3 - Article
VL - 453.2023
JO - Surface & coatings technology
JF - Surface & coatings technology
SN - 0257-8972
IS - 25 January
M1 - 129126
ER -
