A review of mechanical and tribological properties of Ni3Al-based coatings-synthesis and high-temperature behavior

SK Tiwari, AU Rao, AS Kharb, AK Chawla… - Physica …, 2023 - iopscience.iop.org
Ni-based superalloys and thin films have drawn the attention of researchers because of their
extraordinary properties. In particular, Nickel Aluminides like Ni 3 Al thin films show excellent …

Impact of sputtering gas on the microstructural, mechanical and wetting properties of vanadium nitride coatings

AU Rao, SK Tiwari, AS Kharb, V Chawla… - Physica …, 2023 - iopscience.iop.org
Vanadium nitride (VN) coatings were deposited via reactive DC magnetron sputtering
technique on a hot substrate (400 C) with varying partial pressure of N 2. The impact of …

Investigation of mechanical and microstructural properties of sputter-deposited Zr-Ni3Al coatings

SK Tiwari, AU Rao, AS Kharb, V Chawla… - Journal of Vacuum …, 2023 - pubs.aip.org
Zr-doped Ni 3 Al alloy coatings were deposited on a silicon substrate using DC magnetron
cosputtering at a substrate temperature of 400 C. The transformation of phase …

The effect of sputtering parameters and doping on the properties of CrN‐based coatings—A critical review

SK Tiwari, AU Rao, AS Kharb… - Surface and …, 2024 - Wiley Online Library
Chromium‐based coatings have been of interest to researchers for the last two decades
because of their extraordinary properties like high hardness, high wear, and corrosion …

Synthesis and characterization of low-friction WVN alloy coatings using reactive magnetron sputtering technique for tribological applications

AU Rao, SK Tiwari, AS Kharb, N Sardana… - Journal of Vacuum …, 2024 - pubs.aip.org
In recent years, self-lubricating hard coatings have garnered significant interest across
various industries such as cutting tools, molds, and manufacturing because of their ability to …

Microstructural and Mechanical Properties of Cr-Ni3Al Alloy Films Synthesized by Magnetron Sputtering

SK Tiwari, AU Rao, AS Kharb, V Chawla… - Journal of Materials …, 2023 - Springer
Abstract Cr-Ni3Al alloy films have been deposited on Si (100) substrate via DC magnetron
sputtering. The effect of Cr enrichment on microstructure and mechanical properties has …

Microstructure, Mechanical and Electrochemical Behavior of Magnetron-Sputtered Carbothermic Reduced Iron-Boride Ceramic Coatings

PC Verma, SK Mishra - Ceramics International, 2024 - Elsevier
In this study, magnetron sputtered carbothermic reduced iron boride (FeB) coatings were
developed on grey cast iron (GCI) substrates at different substrate temperatures. The impact …

Characterization of sputter-deposited hydrophobic chromium doped nickel alumnide coatings for mechanical and high-temperature oxidation-resistant applications

SK Tiwari, AU Rao, AS Kharb, V Chawla… - Journal of Materials …, 2024 - Springer
Abstract Ni3Al and Cr-Ni3Al films were deposited on Inconel-718 using the DC magnetron
sputtering at a substrate temperature of 400° C. The evolution of phase, microstructure …

Investigation of NiV-based multilayers for the high energy x-ray probe

NC Gellert, KK Madsen, S Massahi… - Optics for EUV, X …, 2023 - spiedigitallibrary.org
The High Energy X-ray Probe (HEX-P) is a NASA probe-class mission concept that will
combine high spatial resolution x-ray imaging (⪅ 10 arcsec FWHM) and broad spectral …

Oxidation Behavior of Atmospheric Plasma Sprayed NiAl Coating at High Pressure Oxygen Atmosphere

L Zhang, XJ Liao, XT Luo, CJ Li - Materials Science Forum, 2023 - Trans Tech Publ
The high-temperature and high-pressure oxygen-rich combustion gases often cause the
high temperature gas conduit in rocket engine to suffer severe oxidation, resulting in a …