High-entropy coatings (HEC) for high-temperature applications: materials, processing, and properties

M Arshad, M Amer, Q Hayat, V Janik, X Zhang… - Coatings, 2022 - mdpi.com
High-entropy materials (HEM), including alloys, ceramics, and composites, are a novel class
of materials that have gained enormous attention over the past two decades. These multi …

TGO and Al diffusion behavior of CuAlxNiCrFe high-entropy alloys fabricated by high-speed laser cladding for TBC bond coats

QL Xu, KC Liu, KY Wang, LY Lou, Y Zhang, CJ Li… - Corrosion …, 2021 - Elsevier
Abstract CuAl x NiCrFe (x= 0.5, 1, 1.5, 2) high-entropy alloys (HEAs) with good high-
temperature oxidation resistance were deposited as bond coats via high-speed laser …

Hot corrosion behavior of IN738LC alloy formed by selective laser melting

Y Hu, W Kang, H Zhang, C Chu, L Wang, Y Hu, Y Ding… - Corrosion …, 2022 - Elsevier
In this study, the hot corrosion of SLMed IN738LC and wrought GH738 alloy in mixed salt of
75% Na 2 SO 4+ 25% NaCl at 900℃ is investigated. The results show that the hot corrosion …

Large-grain α-Al2O3 enabling ultra-high oxidation-resistant MCrAlY bond coats by surface pre-agglomeration treatment

GH Meng, H Liu, MJ Liu, T Xu, GJ Yang, CX Li, CJ Li - Corrosion Science, 2020 - Elsevier
In this study, large α-Al 2 O 3 particles were prepared by a novel surface pre-agglomeration
(SPA) treatment on the surface of MCrAlY bond coats. These large α-Al 2 O 3 particles …

Interdiffusion mechanism at the interface between TiAl alloy and NiCoCrAlY bond coating

S Tian, Y Zhang, A He, J Liu, S Zeng, H Jiang - Surface and Coatings …, 2022 - Elsevier
Surface coatings are the best ways to protect materials from deterioration due to various
aspects including corrosion and wear. However, after long-term oxidation, the high …

Effect of micron/nano Nb particles on high-temperature oxidation behavior of TiAl alloy/thermal barrier coating system

S Tian, Y Zhang, H Jiang, S Zhang, S Zeng… - Surface and Coatings …, 2024 - Elsevier
In this study, the effect of NiCoCrAlY bond coating modified by micron-and nano-sized Nb
particles on the oxidation behavior of a TiAl alloy/thermal barrier coating (TBC) system was …

Coarsening of needle-shaped precipitates in CoNiCrAl alloys during isothermal heat treatment: Kinetics in length and thickness

H Chen, Z Li, X Wang - Journal of Alloys and Compounds, 2023 - Elsevier
This paper investigated the coarsening kinetics of needle-shaped γ precipitates in CoNiCrAl
alloys after isothermal heat treatments at 900° C and 1100° C. The CoNiCrAl alloys were …

Microstructure and thermophysical properties of as-cast CoNiCrAl bond coat alloys at different Al contents

H Chen, L Li, R Yang, W Zhu, A Rushworth… - Journal of Alloys and …, 2022 - Elsevier
In this paper, the microstructure and thermophysical properties of two CoNiCrAl bond coat
alloys with differing Al contents were investigated. Two CoNiCrAl alloys with compositions of …

Effects of internal oxide contents on the oxidation and β-phase depletion behaviour in HOVF CoNiCrAlY coatings

H Chen, M Fan, L Li, W Zhu, HN Li, J Li, Y Yin - Surface and Coatings …, 2021 - Elsevier
This paper studied the effects of internal oxide contents on the high temperature oxidation
and β-phase depletion behaviour of high velocity oxygen fuel (HVOF) thermally sprayed …

High temperature oxidation behaviour of combustion flame sprayed CoNiCrAlY coatings

H Chen, M Fan, W Zhu, AD Norton - Surface and Coatings Technology, 2020 - Elsevier
This paper investigates the high temperature oxidation behaviour of combustion flame
sprayed CoNiCrAlY coatings. Three CoNiCrAlY coatings with different fractions of internal …