Microstructure and oxidation resistant of Si–NbSi2 coating on Nb substrate at 800° C and 1000° C

T Fu, L Chen, Y Zhang, F Shen, J Zhu - Ceramics International, 2023 - Elsevier
Abstract The Si–NbSi 2 composite coating with a smooth surface was successfully prepared
on Nb substrate by hot dip silicon-plating (HDS) technology. The composite coating is …

Microstructure and oxidation behavior of Nb-Si-based alloys for ultrahigh temperature applications: a comprehensive review

F Shen, Y Zhang, L Yu, T Fu, J Wang, H Wang, K Cui - Coatings, 2021 - mdpi.com
Nb-Si-based superalloys are considered as the most promising high-temperature structural
material to replace the Ni-based superalloys. Unfortunately, the poor oxidation resistance is …

[HTML][HTML] Microstructure evolution, growth kinetics and formation mechanisms of silicon-rich NbSi2 coatings on Nb substrate

Y Zhang, T Fu, J Zhu, X Zhang - Journal of Materials Research and …, 2023 - Elsevier
A Si-rich NbSi 2 coating was prepared on Nb substrate by hot dip silicon plating process,
which mainly consists of Nb 5 Si 3 interfacial layer, NbSi 2 intermediate layer and silicon-rich …

Oxidation behavior of Ti-Nb-Mo-Al-Six refractory high entropy alloy at 1000℃

Z Li, L Wang, B Wang, Z Li, Z Li, Y Zhang, L Luo… - Corrosion …, 2022 - Elsevier
The oxidation behavior of TiNbMo 0.5 Al 0.225 Si x (x= 0.1, 0.25, 0.4, 0.55) refractory high
entropy alloys in air at 1000℃ was investigated. These novel alloys have a BCCss/(Nb, Ti) 5 …

Short-and long-term oxidation behaviour of an advanced Ti2AlNb alloy

M Dadé, VA Esin, L Nazé, P Sallot - Corrosion Science, 2019 - Elsevier
The oxidation behaviour of an advanced Ti2AlNb alloy was investigated over a temperature
range of 650–800° C in lab air for short-and long-term experiments. The mass gain …

Optimizing isothermal oxidation behavior of the Y-containing Nb-Ti-Si based alloy: The role of precursor Y2O3

Q Wang, Q Wang, R Chen, X Wang, Y Su, H Fu - Corrosion Science, 2024 - Elsevier
The effect of Y 2 O 3 on the oxidation resistance of Nb-Ti-Si based alloys was investigated.
Acicular Y 2 O 3 is generated with Y content exceeding 0.3 at%. Oxidation tests reveal that …

Improvement in the oxidation resistance of Nb-Si based alloy by selective laser melting

Y Guo, L Jia, B Kong, F Zhang, J Liu, H Zhang - Corrosion Science, 2017 - Elsevier
Abstract Nb-18Si-24Ti-2Cr-2Al-2Hf (at.%) alloy was fabricated by selective laser melting
(SLM). Results showed that an ultra-fined microstructure was achieved by SLM. After …

Effects of Mo and Zr composite additions on the microstructure, mechanical properties and oxidation resistance of multi-elemental Nb-Si based ultrahigh temperature …

R Ma, X Guo - Journal of Alloys and Compounds, 2021 - Elsevier
Abstract The Nb-Si based alloys adding Mo, Zr and Mo-Zr respectively were prepared by
vacuum non-consumable arc melting. The alloys' microstructure and comprehensive …

Aluminide diffusion coatings for improving the pesting behavior of refractory metals

K Beck, AS Ulrich, AK Czerny, EMH White… - Surface and Coatings …, 2024 - Elsevier
Refractory metal based alloys show great potential as structural materials for high-
temperature applications due to their high melting points, but they are prone to catastrophic …

Corrosion behavior of Al2O3-modified Yb2SiO5 environmental barrier coating under water vapor conditions at 1500° C

H Ou, K Fan, L Guo, Y Zhang, Y Wang, J Sun… - Journal of the European …, 2024 - Elsevier
Abstract Al 2 O 3-modified Yb 2 SiO 5 was prepared as environmental barrier coating (EBC),
and the water vapor corrosion behavior at 1500° C was investigated. The residual phase, Yb …