Y-Hf co-doped AlCoCrFeNi high-entropy alloy coating with superior oxidation and spallation resistance at 1100° C

J Lu, L Li, Y Chen, X Liu, X Zhao, F Guo, P Xiao - Corrosion Science, 2021 - Elsevier
The oxidation behavior of Y-Hf co-doped AlCoCrFeNi high-entropy alloy coating (HEA
coating) at 1100° C was investigated and compared with that of conventional Y-Hf co-doped …

A comparative study on the oxidation behavior of Y-, Hf-and YHf-doped NiCoCrAl alloys: Effect of reactive elements

X Liu, Y Chen, J Lu, L Li, A Huang, H Zhang, X Fan… - Corrosion …, 2023 - Elsevier
This study investigates the effect of Y, Hf and Y/Hf addition on oxidation behavior of
NiCoCrAl alloys at 1100° C. It is demonstrated that Hf is most effective in reducing the oxide …

Comparative study of the reactive elements effects on oxidation behavior of a Ni-based superalloy

K Rehman, N Sheng, Z Sang, S Xun, Z Wang, J Xie… - Vacuum, 2021 - Elsevier
Abstract Hf, Y, and Ce (0.1 wt% each) were added in Ni-based superalloy, prepared by
vacuum induction melting (VIM), and their effects on oxidation behavior were investigated …

Influence of an aluminizing process on the microstructure and tensile strength of the nickel superalloy IN 718 produced by the Selective Laser Melting

R Sitek, R Molak, J Zdunek, P Bazarnik, P Wiśniewski… - Vacuum, 2021 - Elsevier
The paper presents the impact of a surface treatment (an aluminizing process) on the
microstructure and tensile strength of the nickel superalloy IN 718 produced by Selective …

Preparation and oxidation performance of a low-diffusion (Ni, Pt) Al coating with an in-situ formed α-W based diffusion barrier

SX Ren, P Zhang, QW Wang, YF Yang, P Ren, W Li - Corrosion Science, 2024 - Elsevier
A quasi-continuous α-W-based diffusion barrier (DB) forms in-situ between the (Ni, Pt) Al
and the inter-diffusion zone by adding a Ni-W plating layer before the coating preparation …

Protective coatings for LPBF Ni-based superalloys using a combination of electrospark deposition and pulsed arc evaporation methods

AN Sheveyko, KA Kuptsov… - Applied Surface …, 2022 - Elsevier
The combined vacuum technology involving electrospark deposition (ESD) and pulsed arc
evaporation (PAE) is used to deposit a double-layer NiAlCrCoHf coating onto a substrate …

Microstructures and high-temperature wear behavior of NiAl/WC-Fex coatings on carbon steel by plasma cladding

J Yuan, Q Wang, X Liu, S Lou, Q Li, Z Wang - Journal of Alloys and …, 2020 - Elsevier
Abstracts In this paper, in order to improve the carbon steel service condition in a severe
high-temperature wear field, a novel and dense NiAl/WC (NiAl-20% wtWC) and NiAl/WC-Fe …

[HTML][HTML] Synergistic effect of Pt and Hf on the early-stage oxidation behaviour of NiAl coating at 1000° C

YF Yang, SX Ren, CM Deng, P Ren, PM Zhang… - Corrosion …, 2022 - Elsevier
The initial-stage oxidation behaviours of unmodified, Pt and Pt+ Hf modified NiAl coating are
systematically investigated by employing the photo-stimulated luminescence spectroscopy …

Deposition of oxidation-resistant coatings by vacuum-pulse-arc melting of NiAl-based granules to protect Ni superalloys

AN Sheveyko, KA Kuptsov, MN Fatykhova… - Surface and Coatings …, 2023 - Elsevier
Here we report an innovative contactless method for vacuum-pulse-arc melting of single Ni
41 Al 41 Cr 12 Co 6 Hf 0.25 (at.%) granules with a size of 160±20 μm using a non …

Structure and oxidation behavior of NiAl-based coatings produced by non-vacuum electron beam cladding on low-carbon steel

TS Ogneva, AA Ruktuev, DV Lazurenko, KI Emurlaev… - Metals, 2022 - mdpi.com
NiAl-based intermetallic coatings were obtained using non-vacuum electron beam cladding
on low-carbon steel. The structure of the coatings was investigated using optical microscopy …