[HTML][HTML] Hard coatings for cutting applications: Physical vs. chemical vapor deposition and future challenges for the coatings community

N Schalk, M Tkadletz, C Mitterer - Surface and Coatings Technology, 2022 - Elsevier
Since decades, protective hard coatings with thicknesses of a few micrometers are grown by
physical or chemical vapor deposition (PVD, CVD) on cutting tools to improve their …

Recent progress and new directions in density functional theory based design of hard coatings

D Music, RW Geyer, JM Schneider - Surface and Coatings Technology, 2016 - Elsevier
Hardness, one key property of hard coatings, is proportional to shear modulus, which can be
predicted using density functional theory (DFT). Besides considering hardness, a design …

Amorphous-crystalline transition in thermoelectric NbO2

D Music, YT Chen, P Bliem… - Journal of Physics D …, 2015 - iopscience.iop.org
Density functional theory was employed to design enhanced amorphous NbO 2
thermoelectrics. The covalent-ionic nature of Nb–O bonding is identical in amorphous NbO 2 …

Metalorganic chemical vapor deposition of Al2O3 using trimethylaluminum and O2 precursors: Growth mechanism and crystallinity

X Liu, SH Chan, F Wu, Y Li, S Keller, JS Speck… - Journal of crystal …, 2014 - Elsevier
Metalorganic chemical vapor deposition (MOCVD) of Al 2 O 3 was studied by using
trimethylaluminum and O 2 precursors over a variety of temperature, flow, and pressure …

Structure, mechanical characteristics and thermal stability of high speed physical vapor deposition (Al, Cr) 2O3 coatings

K Bobzin, T Brögelmann, C Kalscheuer, M Welters - Thin Solid Films, 2019 - Elsevier
Abstract In recent years (Al, Cr) 2 O 3 coatings manufactured by physical vapor deposition
(PVD) gained great interest as alternative to α-Al 2 O 3 coatings deposited by chemical …

[HTML][HTML] Seeding technique for lowering temperature during synthesis of α-alumina

Y Kobayashi, Y Mabuchi, M Hama, K Inoue… - Journal of Asian …, 2015 - Elsevier
This paper reports a method for producing α-Al 2 O 3 at low temperature using a seeding
technique. A white product obtained by hydrolyzing aluminum isopropoxide in water at 80° …

Low-temperature deposition of Al-rich α-(Al, Cr) 2O3 films by sputtering AlxCr95-x (α-Al2O3) 5 targets

J Jiang, Y Yang, W Qiu, D Jiao, X Zhong, Z Liu - Ceramics International, 2023 - Elsevier
A newly designed Al x Cr 95-x (α-Al 2 O 3) 5 (x= 60, 70, and 80 at.%) composite target was
proposed for depositing a corundum-structured Al-rich α-(Al, Cr) 2 O 3 film at low …

Comparison of (Ti, Al) N and (Ti, Al) N/γ-Al2O3 coatings regarding tribological behavior and machining performance

K Bobzin, N Bagcivan, M Ewering, RH Brugnara… - Surface and Coatings …, 2014 - Elsevier
Over the last decade the amount of application of difficult-to-machine materials has
increased considerably due to the demand on new innovative products.(Ti, Al) N coatings …

Phase Formation and Thermal Stability of Reactively Sputtered YTaO4–ZrO2 Coatings

B Stelzer, K Pingen, M Hans, DM Holzapfel, S Richter… - Materials, 2021 - mdpi.com
Y (1− x)/2Ta (1− x)/2ZrxO2 coatings with 0 to 44 mol% ZrO2 were synthesized by sputtering.
Phase-pure M'-YTaO4 coatings were obtained at a substrate temperature of 900° C. Alloying …

Designing low thermal conductivity of RuO2 for thermoelectric applications

D Music, O Kremer, G Pernot, JM Schneider - Applied Physics Letters, 2015 - pubs.aip.org
We have applied Umklapp phonon-phonon and phonon-defect scattering to calculate the
thermal conductivity of unalloyed as well as Fe-and La-alloyed RuO 2 (P4 2/mnm). These …