Progress in Nb-Si ultra-high temperature structural materials: A review

W Liu, S Huang, C Ye, L Jia, Y Kang, J Sha… - Journal of Materials …, 2023 - Elsevier
Nb-Si based alloys have the greatest potential to replace nickel-based superalloys and
become a new generation ultra-high temperature structural material with service …

Formation and oxidation behavior of Ce-modified MoSi2-NbSi2 coating on niobium alloy

L Xiao, X Zhou, Y Wang, R Pu, G Zhao, Z Shen… - Corrosion …, 2020 - Elsevier
Abstract MoSi 2-NbSi 2 coating and Ce-modified MoSi 2-NbSi 2 coating were prepared on
Nb-alloy through a new two-step process, including molybdenum slurry spraying and halide …

Characterization of microstructure and oxidation resistance of Y and Ge modified silicide coating on Nb-Si based alloy

W Wang, C Zhou - Corrosion Science, 2016 - Elsevier
Y and Ge modified silicide coating was prepared on the Nb-Si based alloy by Si–Ge–Y co-
deposition at 1300° C for 10 h. It is observed that the coating is composed of an outer layer …

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 …

Formation and oxidation resistance of germanium modified silicide coating on Nb based in situ composites

W Wang, B Yuan, C Zhou - Corrosion science, 2014 - Elsevier
Ge-modified silicide coating was prepared on the Nb–Si based alloy by Si–Ge co-deposition
at 1300° C for 10 h. The pack powder for co-deposition consisted of 16Si–8Ge–5NaF–71Al …

Co-deposition of Si and B to form oxidation-resistant coatings on an Nb–Ti–Si based ultrahigh temperature alloy by pack cementation technique

Y Qiao, Z Shen, X Guo - Corrosion Science, 2015 - Elsevier
In this work, we study the oxidation behavior of a B-modified silicide coating at 900–1350° C.
The coating was prepared by pack cementation, which mainly consisted of a (Nb, X) Si …

Effect of Al content on the structure and oxidation resistance of Y and Al modified silicide coatings prepared on Nb–Ti–Si based alloy

P Zhang, X Guo - Corrosion science, 2013 - Elsevier
Several Y and Al modified silicide coatings containing different Al contents were prepared
on an Nb–Ti–Si based alloy by pack cementation technique. The microstructure and …

Deposition of a B-modified silicide coating for Nb-Si based alloy oxidation protection

W Shao, W Wang, C Zhou - Corrosion Science, 2016 - Elsevier
A B-modified silicide coating was prepared on the Nb-Si based alloy by Si-TiB 2 co-
deposition at 1300° C for 10 h. The results show that the two-layer coating is composed of a …

Hot corrosion behavior of silicide coating on an Nb–Ti–Si based ultrahigh temperature alloy

Y Qiao, X Guo, X Li - Corrosion Science, 2015 - Elsevier
Hot corrosion behavior of an Nb–Ti–Si alloy and its silicide coating in Na 2 SO 4–25 wt.%
NaCl molten salts at 900° C was investigated. For the bare alloy, a thick and porous …

A comparative study of two kinds of Y and Al modified silicide coatings on an Nb–Ti–Si based alloy prepared by pack cementation technique

P Zhang, X Guo - Corrosion science, 2011 - Elsevier
Two kinds of Y and Al modified silicide coatings on an Nb–Ti–Si based alloy were prepared
by pack cementation technique. The microstructure and oxidation behavior of both coatings …