Present work |
Nbss/Nb5Si3 (62.5Nb-37.5Si) |
- |
- |
- |
1200/12 |
74 |
- |
Nbss/Nb5Si3 (62.5Nb-37.5Si) |
Fe-Cr-Si |
1200/12 NH4Cl |
36.6 |
1200/62 |
21 |
2.69 |
Coated alloy via HAPC process
|
Nbss1919 Choi YJ, Yoon JK, Kim GH, Yoon WY, Doh JM. High temperature isothermal oxidation behavior of NbSi2 coating at 1000-1450°C. Corros Sci. 2017;129:102-14. |
Si |
1100/7 MgF2
|
110 |
1200/50 |
6.67 |
- |
Nbss1818 Vilasi M, Francois M, Podor R, Steinmetz J. New silicide for new niobium protective coating. J Alloys Compd. 1998;264:244-51. |
Nb-Fe-Cr-Si |
1200/24 CrCl3
|
38 |
1100/90 |
2.1 |
- |
Nbss (Nb-8.9Hf-1.2Zr)2020 Ge Y, Wang Y, Chen J, Zou Y, Guo L, Ouyang J, et al. An Nb2O5-SiO2-Al2O3/NbSi2/Nb5Si3 multilayer coating on Nb-Hf alloy to improve oxidation resistance. J Alloys Compd. 2018;745:271-81. |
Si |
1300/8 NaF |
100 |
1250/50 |
6.5 |
0.79 |
Nb/NbCr2 (Nb-35Cr)2929 Qiao Y, Li M, Guo X. Development of silicide coatings over Nb-NbCr2 alloy their oxidation behavior at 1250°C. Surf Coat Tech. 2014;258:921-30. |
Si-Y |
1250/8 NaF |
200 |
1250/50 |
13.1 |
5.1 |
Nbss/Nb5Si3 (Nb-16Si-22Ti-17Cr-2Al-2Hf)11 Shao W, Wang W, Zhou C. Deposition of a B-modified silicide coating for Nb-Si based alloy oxidation protection. Corros Sci. 2016;111:786-92. |
Si-B-Ti |
1300/10 NaF |
162 |
1250/100 |
2.39 |
0.22 |
Nbss/Nb5Si3 (Nb-15Si-24Ti-4Cr-2Al-2Hf)44 Su L, Lu-Steffes O, Zhang H, Perepezko JH. An ultra-high temperature Mo-Si-B based coating for oxidation protection of Nbss/Nb5Si3 composites. Appl Surf Sci. 2015;337:37-44. |
Mo-Si-B |
1000/25 NaF |
50 |
1300/24 |
-0.55 |
- |
Nbss/Nb5Si3 (Nb-16Si-25Ti-2Cr-2Al-8Hf)88 Knittel S, Mathieu S, Portebois L, Drawin S, Vilasi M. Development of silicide coating to ensure the protection of Nb and silicide composites against high temperature oxidation. Surf Coat Tech. 2013;235:401-6. |
Nb-Ti-Fe-Cr-Si |
1200/24 CrCl3
|
50 |
1200/50 |
1.1 |
0.019 |
Nbss/Nb5Si3 (Nb-16Si-22Ti-17Cr-2Al-8Hf)1111 Wang W, Yuan B, Zhou C. Formation and oxidation resistance of germanium modified silicide coating on Nb based in situ composites. Corros Sci. 2014;80:164-8. |
Si-Ge |
1300/10 NaF |
176 |
1250/100 |
16.3 |
- |
Nbss/Nb5Si3 (Nb-16Si-22Ti-17Cr-2Al-8Hf)1111 Wang W, Yuan B, Zhou C. Formation and oxidation resistance of germanium modified silicide coating on Nb based in situ composites. Corros Sci. 2014;80:164-8. |
Si |
- |
- |
1250/100 |
5.42 |
- |
Nbss/Nb5Si3 (Nb-16Si-20Ti-6Cr-4Al-5Hf-2B-0.06Y)3030 Zhang P, Guo X. A comparative study of two kinds of Y and Al modified silicide coating on an Nb-Ti-Si based alloy prepared by pack cementation technique. Corros Sci. 2011;53:4291-9. |
Si-Al-Y |
1050/10 NaF |
49 |
1250/100 |
50 |
62.6 |
Nbss/Nb5Si3 (Nb-14.3Si-39.4Ti-4.9Cr-3Al-2.8Hf)3131 Qiao Y, Shen Z, Guo X. Co-depostion of Si and B to form oxidation-resistant coatings on an Nb-Ti-Si based ultrahigh temperature alloy by pack cementation technique. Corros Sci. 2015;93:126-37. |
Si-B |
1150/8 NaF |
60 |
1250/100 |
2.8 |
5.70 x 10-2
|
Uncoated alloy
|
Nbss/Nb5Si3 (Nb-16Si-22Ti-17Cr-2Al-2Hf)11 Shao W, Wang W, Zhou C. Deposition of a B-modified silicide coating for Nb-Si based alloy oxidation protection. Corros Sci. 2016;111:786-92. |
- |
- |
- |
1250/100 |
190.08 |
- |
Nbss/Nb5Si3 (Nb-15Si-24Ti-4Cr-2Al-2Hf)44 Su L, Lu-Steffes O, Zhang H, Perepezko JH. An ultra-high temperature Mo-Si-B based coating for oxidation protection of Nbss/Nb5Si3 composites. Appl Surf Sci. 2015;337:37-44. |
- |
- |
- |
1300/24 |
87.6 |
- |
Nbss/Nb5Si3 (Nb-18Si-24Ti-2Cr-2Al-8Hf)1010 Guo Y, Jia L, Zhang F, Liu J, Zhang H. Improvement in the oxidation resistance of Nb-Si based alloy by selective laser melting. Corros Sci. 2017;127:260-9. |
- |
- |
- |
1250/50 |
198.91 |
1220 |
Nbss/Nb5Si3 (Nb-18Si-24Ti-2Cr-2Al-8Hf)1010 Guo Y, Jia L, Zhang F, Liu J, Zhang H. Improvement in the oxidation resistance of Nb-Si based alloy by selective laser melting. Corros Sci. 2017;127:260-9. |
- |
- |
- |
1250/50 |
96.48 |
220 |
Nbss/Nb5Si3 (Nb-16Si-24Ti-10Cr-2Al-2Hf)3232 Su L, Jia L, Jiang K, Zhang H. The oxidation behavior of high Cr and Al containing Nb-Si-Ti-Hf-Al-Cr alloys at 1200°C and 1250°C. Int J Refract Met Hard Mater. 2017;69:131-7. |
- |
- |
- |
1200/100 |
134 |
- |
Nbss/Nb5Si3 (Nb-16Si-24Ti-17Cr-6Al-2Hf)3232 Su L, Jia L, Jiang K, Zhang H. The oxidation behavior of high Cr and Al containing Nb-Si-Ti-Hf-Al-Cr alloys at 1200°C and 1250°C. Int J Refract Met Hard Mater. 2017;69:131-7. |
- |
- |
- |
1200/100 |
18.9 |
1.897 |