Microstructural characteristics and oxidation behavior of the modified MCrAlX coatings: a critical review

F Ghadami, ASR Aghdam, S Ghadami - Vacuum, 2021 - Elsevier
Currently, the service temperature of the MCrAlX coating (M= Ni, Co, or NiCo; X= minor
elements such as Y, Ce, Si, Ta) either as an overlay or as a bondcoat in some critical …

[HTML][HTML] Research progress in antioxidation and anti-ablation coatings of carbon-based materials: A review

Y Tian, H Cui, Y Jiang, N Wang - Resources Chemicals and Materials, 2024 - Elsevier
Carbon materials (graphite or C/C composites) are widely used in aerospace applications
due to their unique performance advantages, including low density, high specific strength …

A comprehensive study on the microstructure evolution and oxidation resistance of conventional and nanocrystalline MCrAlY coatings

F Ghadami, A Sabour Rouh Aghdam, S Ghadami - Scientific Reports, 2021 - nature.com
Conventional and nanocrystalline MCrAlY coatings were applied by the high-velocity oxy-
fuel (HVOF) deposition process. The ball-milling method was used to prepare the …

Comparing oxidation behaviors at 1773 K and 1973 K of HfB2-MoSi2/SiC-Si coating prepared by a combination method of pack cementation, slurry painting and in …

P Zhang, Q Fu, C Cheng, X Zhu, J Huang… - Surface and Coatings …, 2020 - Elsevier
Abstract HfB 2-MoSi 2/SiC-Si coating was fabricated via pack cementation (PC) combined
with slurry painting (SP) followed by heat treatment, where MoSi 2 was in-situ synthesized …

Oxygen blocking enhancement of HfB2-SiC coating using HfB2-HfSi2 alloyed composite powders by self-propagating high-temperature synthesis

D Shi, X Ji, B Wu, X Ren, P Wang, L Wang, Y Zhao… - Ceramics …, 2023 - Elsevier
To suppress the oxidation loosening of HfB 2-SiC coating, the HfB 2 was alloyed with HfSi 2
in the form of composite powders through self-propagating high-temperature synthesis …

A review of Mo-Si intermetallic compounds as ultrahigh-temperature materials

L Jiang, B Zheng, C Wu, P Li, T Xue, J Wu, F Han… - Processes, 2022 - mdpi.com
Mo-Si compound-based ultrahigh temperature structural material (UHTM) is a new high-
temperature structural material with great potential due to its high melting point, high …

Effect of in situ VSi2 and SiC phases on the sintering behavior and the mechanical properties of HfB2-based composites

S Ghadami, E Taheri-Nassaj, HR Baharvandi… - Scientific Reports, 2020 - nature.com
Abstract In situ HfB2–SiC–VSi2 composite was fabricated by reactive pressureless sintering
at the temperature of 2150° C for 4 h under a vacuum atmosphere. In situ SiC and VSi2 …

[HTML][HTML] High-temperature oxidation resistance of ternary and quaternary Cr-(Mo)-Si-B2-z coatings—Influence of Mo addition

A Bahr, T Glechner, A Grimmer, T Wojcik… - Surface and Coatings …, 2023 - Elsevier
The Si-based alloying of transition metal diborides is a promising strategy to improve their
limited oxidation resistance in high-temperature environments. In this study, we investigate …

Protective coatings deposited onto LPBF-manufactured nickel superalloy by pulsed electrospark deposition using MoSi2-MoB-HfB2 and MoSi2-MoB-ZrB2 electrodes

EI Zamulaeva, MV Zinovieva… - Surface and Coatings …, 2021 - Elsevier
Promising compositions of coatings applied by pulsed electrospark deposition (PED) using
MoSi 2–MoB ceramic electrodes doped with hafnium and zirconium diborides are proposed …

Improvement of mechanical properties of HfB2-based composites by incorporating in situ SiC reinforcement through pressureless sintering

S Ghadami, E Taheri-Nassaj, HR Baharvandi… - Scientific Reports, 2021 - nature.com
HfB2, Si, and activated carbon powders were selected to fabricate 0–30 vol% SiC reinforced
HfB2-based composite. Pressureless sintering process was performed at 2050° C for 4 h …