Influence of B content on microstructure, phase composition and mechanical properties of CVD Ti(B,N) coatings
Tkadletz, M., Schalk, N., Lechner, A., Hatzenbichler, L., Holec, D., Hofer, C., Deluca, M., Sartory, B., Lyapin, A., Julin, J., & Czettl, C. (2022). Influence of B content on microstructure, phase composition and mechanical properties of CVD Ti(B,N) coatings. Materialia, 21, Article 101323. https://doi.org/10.1016/j.mtla.2022.101323
Julkaistu sarjassa
MaterialiaTekijät
Päivämäärä
2022Tekijänoikeudet
© 2022 The Author(s). Published by Elsevier B.V. on behalf of Acta Materialia Inc.
Within this work the effect of the B content on the microstructure, phase composition and mechanical properties of CVD Ti(B,N) coatings is investigated. Ti(B,N) coatings with B contents from 0 (fcc-TiN) to ∼5, ∼15, ∼30, ∼45 and 66 (h-TiB2) at.% have been deposited by CVD. The elemental composition of the coatings was confirmed by ERDA and their microstructure was investigated using XRD and SEM. With increasing B content, a transition from a fcc to a h-dominated structure via dual-phase fcc/h-Ti(B,N) was observed, which was accompanied by a decreasing grain size from the µm to nm range. Combinatorial use of Raman spectroscopy, XPS and APT measurements indicated B-rich grain boundary segregations and the formation of increasing amounts of h-Ti(B,N)2 clusters embedded within an fcc-Ti(B,N) matrix up to B contents of ∼30 at.%, while for ∼45 at.% B the matrix was predominantly composed of h-Ti(B,N)2. Complementary ab initio calculations predicting the phase formation confirmed the interpretation of the experimental results. In terms of the mechanical properties, nanoindentation measurements and micromechanical testing revealed a rise in hardness from ∼18 to ∼41 GPa and an increasing fracture stress and toughness from ∼7 to ∼13 GPa and ∼4.6 to ∼5.5 MPam1/2, respectively, by increasing the B content up to ∼30 at.%. In contrast, a significant drop in hardness, fracture stress and fracture toughness was observed at ∼45 at.% B. Thus it can be concluded, that both h-TiB2 and dual-phase fcc/h-Ti(B,N) coatings with maximized B content yield superior properties over TiN and consequently improved performance.
...
Julkaisija
ElsevierISSN Hae Julkaisufoorumista
2589-1529Asiasanat
Julkaisu tutkimustietojärjestelmässä
https://converis.jyu.fi/converis/portal/detail/Publication/104293783
Metadata
Näytä kaikki kuvailutiedotKokoelmat
Lisätietoja rahoituksesta
The authors gratefully acknowledge the financial support under the scope of the COMET program within the K2 Center “Integrated Computational Material, Process and Product Engineering (IC-MPPE)” (Project No 859480). This program is supported by the Austrian Federal Ministries for Climate Action, Environment, Energy, Mobility, Innovation and Technology (BMK) and for Digital and Economic Affairs (BMDW), represented by the Austrian research funding association (FFG), and the federal states of Styria, Upper Austria and Tyrol. The financial support by the Austrian Federal Ministry for Digital and Economic Affairs and the National Foundation for Research, Technology and Development is gratefully acknowledged. ...Lisenssi
Samankaltainen aineisto
Näytetään aineistoja, joilla on samankaltainen nimeke tai asiasanat.
-
Comparison of mechanical properties and composition of magnetron sputter and plasma enhanced atomic layer deposition aluminum nitride films
Sippola, Perttu; Perros, Alexander Pyymaki; Ylivaara, Oili M. E.; Ronkainen, Helena; Julin, Jaakko; Liu, Xuwen; Sajavaara, Timo; Etula, Jarkko; Lipsanen, Harri; Puurunen, Riikka L. (AIP Publishing LLC, 2018)A comparative study of mechanical properties and elemental and structural composition was made for aluminum nitride thin films deposited with reactive magnetron sputtering and plasma enhanced atomic layer deposition (PEALD). ... -
Mechanical and optical properties of as-grown and thermally annealed titanium dioxide from titanium tetrachloride and water by atomic layer deposition
Ylivaara, Oili M.E.; Langner, Andreas; Liu, Xuwen; Schneider, Dieter; Julin, Jaakko; Arstila, Kai; Sintonen, Sakari; Ali, Saima; Lipsanen, Harri; Sajavaara, Timo; Hannula, Simo-Pekka; Puurunen, Riikka L. (Elsevier, 2021)The use of thin-films made by atomic layer deposition (ALD) is rapidly growing in the field of optical sensing. ALD TiO2 has been widely characterized for its physical and optical properties, but systematic information ... -
Characterization of three-dimensional microstructure of composite materials by X-ray tomography
Miettinen, Arttu (University of Jyväskylä, 2016)Analysis methods for X-ray microtomographic images of short fibre composite materials were developed. The methods enable estimation of microstructural properties of the material, e.g., aspect ratio and orientation of ... -
Ni Drastically Modifies the Microstructure and Electrochemistry of Thin Ti and Cr Layers
Kousar, Ayesha; Quliyeva, Ulviyya; Pande, Ishan; Sainio, Jani; Julin, Jaakko; Sajavaara, Timo; Jiang, Hua; Laurila, Tomi (American Chemical Society (ACS), 2024)There is a significant lack of literature addressing changes in the microstructure of different interfacial metal layer combinations employed in fabricating electrochemical sensors based on carbon nanomaterials. This ... -
Evolution of the microstructure of sputter deposited TaAlON thin films with increasing oxygen partial pressure
Schalk, Nina; Saringer, Christian; Fian, Alexander; Terziyska, Velislava L.; Julin, Jaakko; Tkadletz, Michael (Elsevier, 2021)Recently, quaternary oxynitrides of transition metals and aluminum have attracted increasing interest due to their tunable properties. Within the present work, a series of TaAl(O)N films was sputter deposited using constant ...
Ellei toisin mainittu, julkisesti saatavilla olevia JYX-metatietoja (poislukien tiivistelmät) saa vapaasti uudelleenkäyttää CC0-lisenssillä.