Effect of WB addition on long ablation behavior of ZrB2-MoSi2 coating
Source abstract
Abstract
Abstract Improving the long time ablation resistance of thermal protective coating is the key index to promote the development of hypervelocity aerocrafts. In this work, the ablation behaviors of ZrB2-MoSi2 and ZrB2-MoSi2-WB composite coatings fabricated by vacuum plasma spray (VPS) were evaluated by plasma flame. The microstructure evolution induced by prolonged ablation was focused on and discussed in detail. The results shows that the addition of WB significantly improved the long-term ablation resistant performance of the ZrB2-MoSi2 coating, as characterized by integrated macrostructure, compact microstructure and decreased thickness of oxide layer. The function of WB was explained in detail based on microstructure observation and thermodynamic calculations, which would give some inspirations for the design of UHTCs.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced ceramic materials synthesis · Advanced materials and composites · High-Temperature Coating Behaviors
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (29)
Show source-provided references
1. The hypersonic environment: required operating conditions and design challenges10.1023/B:JMSC.0000041688.68135.8b ↗
2. Speed propulsion: performance advantage of advanced materials10.1023/B:JMSC.0000041687.37448.06 ↗
3. Oxidation of ultra-high temperature transition metal diboride ceramics10.1179/1743280411Y.0000000012 ↗
4. Ultra-high-temperature ceramic coatings for oxidation protection of carbon-carbon composites10.1111/j.1551-2916.2008.02331.x ↗
5. Thick protective UHTC coatings for SiC‐based structures: process establishment10.1111/j.1551-2916.2008.02360.x ↗
6. Oxidation-based materials selection for 2000 °C+ hypersonic aero surfaces: theoretical considerations and historical experience10.1023/B:JMSC.0000041686.21788.77 ↗
7. High-temperature oxidation III. zirconium and hafnium diborides10.1149/1.2424154 ↗
8. Refractory diborides of zirconium and hafnium10.1111/j.1551-2916.2007.01583.x ↗
9. Evolution of microstructure and anti-oxidation ability of ZrB2 improved by a unique inert glass phase10.1016/j.ceramint.2019.04.139 ↗
10. Solid solutioning in ZrB2 with HfB2: effect on densification and oxidation resistance10.1016/j.ijrmhm.2019.105041 ↗
11. Oxidation of ZrB2 and its composites: a review10.1007/s10853-018-2601-0 ↗
12. Structure evolution of ZrB2-SiC during the oxidation in air10.1557/JMR.2008.0251 ↗
13. Oxidation behavior of ZrB2-SiC-ZrC in oxygen-hydrogen torch environment10.1016/j.jeurceramsoc.2017.11.024 ↗
14. Oxidation mechanism and resistance of ZrB2-SiC composites10.1016/j.corsci.2009.07.005 ↗
15. Long time ablation behaviors of designed ZrC-SiC-TiC ternary coatings for environments above 2000 °C10.1016/j.corsci.2020.108645 ↗
16. Oxidation behavior of ZrB2 composites doped with various transition metal silicides10.1016/j.corsci.2014.02.026 ↗
17. Understanding the oxidation behavior of a ZrB2-MoSi2 composite at ultra-high temperatures10.1016/j.actamat.2018.03.042 ↗
18. High temperature oxidation resistance of metal silicide incorporated ZrB2 composite coatings prepared by vacuum plasma spray10.1016/j.ceramint.2015.08.015 ↗
19. Mullite-modified ZrB2-MoSi2 coating for carbon/carbon composites to withstand long term ablation10.1016/j.ceramint.2017.12.025 ↗
20. Ablation resistance of APS sprayed mullite/ZrB2-MoSi2 coating for carbon/carbon composites10.1016/S1875-5372(18)30117-6 ↗
21. Effect of tungsten-containing additives (WB/WSi2/W) on ablation behavior of ZrB2-SiC coating10.1016/j.corsci.2020.108560 ↗
22. Oxidation of zirconium diboride with tungsten carbide additions10.1111/j.1551-2916.2010.04216.x ↗
23. Influence of oxidation behavior of feedstock on microstructure and ablation resistance of plasma-sprayed zirconium carbide coating10.1007/s11666-015-0307-2 ↗
24. Effect of WB on oxidation behavior and microstructure evolution of ZrB2-SiC coating10.1016/j.corsci.2019.04.034 ↗
25. Microstructure evolution of a W-doped ZrB2 ceramic upon high‐temperature oxidation10.1111/jace.14738 ↗
26. Thermoablative resistance of ZrB2-SiC-WC ceramics at 2400 °C10.1016/j.actamat.2017.05.033 ↗
27. Thermophysical properties of transition metal carbides and diborides
28. A model for the oxidation of ZrB2, HfB2 and TiB210.1016/j.actamat.2007.07.027 ↗
29. Effect of various additives on the oxidation behavior of ZrB2-based ultra-high-temperature ceramics at 1800 °C10.1111/j.1551-2916.2009.03420.x ↗