| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Mayrhofer, P. H.
TU Wien
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (24/24 displayed)
- 2023Unraveling the superlattice effect for hexagonal transition metal diboride coatingscitations
- 2021Influence of Ta on the oxidation resistance of WB2-z coatingscitations
- 2021Influence of Ta on the oxidation resistance of WB<sub>2−z</sub> coatingscitations
- 2021Ultra-high oxidation resistance of nano-structured thin filmscitations
- 2020Fracture properties of thin film TiN at elevated temperaturescitations
- 2020Ultra-High Oxidation Resistance of Nano Structured Thin Films
- 2020How microalloying of the Al target can improve process and film characteristics of sputtered aluminacitations
- 2019Strain and stress analyses on thermally annealed Ti-Al-N/Mo-Si-B multilayer coatings by synchrotron X-ray diffractioncitations
- 2017Atomistic Modeling-Based Design of Novel Materialscitations
- 2016Cross-sectional structure-property relationship in a graded nanocrystalline Ti1-xAlxN thin filmcitations
- 2016Interface controlled microstructure evolution in nanolayered thin filmscitations
- 2016Cross-sectional structure-property relationship in a graded nanocrystalline Ti1−xAlxN thin filmcitations
- 2016Cross-sectional structure-property relationship in a graded nanocrystalline $mathrm{Ti_{1−x}Al_{x}N}$ thin filmcitations
- 2014Macroscopic elastic properties of textured ZrN-AlN polycrystalline aggregates: From ab initio calculations to grainscale interactionscitations
- 2013Kinetics of Ga droplet decay on thin carbon filmscitations
- 2011Decomposition pathways in age hardening of Ti-Al-N filmscitations
- 2010Environmental protection of gamma-TiAl based alloy Ti-45Al-8Nb by CrAlYN thin films and thermal barrier coatingscitations
- 2010Atom probe specimen preparation and 3D interfacial study of Ti-Al-N thin filmscitations
- 2008Epitaxial growth of Al-Cr-N thin films on MgO(111)citations
- 2008Oxidation behaviour of the gamma-TiAl based alloy Ti-45Al-8Nb coated with TiAlYN and CrAlYN thin films
- 2007Hard and superhard TiAlBN coatings deposited by twin electron-beam evaporationcitations
- 2007Thermal stability of nanocomposite CrC/a-C:H thin filmscitations
- 2006Structure of sputtered nanocomposite CrC[sub x]∕a-C:H thin filmscitations
- 2006Structure of sputtered nanocomposite CrC x / a -C:H thin filmscitations
Places of action
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article
Hard and superhard TiAlBN coatings deposited by twin electron-beam evaporation
Abstract
Superhard nanostructured coatings, prepared by plasma-assisted chemical vapour deposition (PACVD) and physical vapour deposition (PAPVD) techniques, such as vacuum arc evaporation and magnetron sputtering, are receiving increasing attention due to their potential applications for wear protection. In this study nanocomposite (TiAl)B x N y (0.09 ≤ x ≤ 1.35; 1.07 ≤ y ≤ 2.30) coatings, consisting of nanocrystalline (Ti,Al)N and amorphous BN, were deposited onto Si (100), AISI 316 stainless steel and AISI M2 tool steel substrates by co-evaporation of Ti and hot isostatically pressed (HIPped) Ti-Al-B-N material from a thermionically enhanced twin crucible electron-beam (EB) evaporation source in an Ar plasma at 450 °C. The coating stoichiometry, relative phase composition, nanostructure and mechanical properties were determined using X-ray photoelectron spectroscopy (XPS) and X-ray diffraction (XRD), in combination with nanoindentation measurements. Aluminium (∼ 10 at.% in coatings) was found to substitute for titanium in the cubic TiN based structure. (Ti,Al)B 0.14 N 1.12 and (Ti,Al)B 0.45 N 1.37 coatings with average (Ti,Al)N grain sizes of 5-6 nm and either ∼ 70, or ∼ 90, mol% (Ti,Al)N showed hardness and elastic modulus values of ∼ 40 and ∼ 340 GPa, respectively. (Ti,Al)B 0.14 N 1.12 coatings retained their 'as-deposited' mechanical properties for more than 90 months at room temperature in air, comparing results gathered from eight different nanoindentation systems. During vacuum annealing, all coatings examined exhibited structural stability to temperatures in excess of 900 °C, and revealed a moderate, but significant, increase in hardness. For (Ti,Al)B 0.14 N 1.12 coatings the hardness increased from ∼ 40 to ∼ 45 GPa.