Influence of surface oxidation on the radiative properties of ZrB2-SiC composites
Source abstract
Abstract
Abstract The spectral emissivities of ZrB2-20 vol.% SiC composites with various surface components of ZrB2/SiC (ZS1), silica-rich glass (ZS2) and porous zirconia (ZS3) were measured using infrared spectrometer in the wavelength range from 2.5 to 25.0 μm. The relationship between surface oxidation (associated with surface component, thickness of oxide scale, testing temperature as well as roughness) and the radiative properties of ZrB2-SiC composites were investigated systematically. Surface component affected the radiative properties of composites significantly. The total emissivity of ZS1 varied from 0.22 to 0.81 accompanied with surface oxidation in the temperature range 300–900 °C. The emissivity of ZS2 was about 1.5 times as that of ZS3 under the same testing conditions. The oxide scale on specimen surface enhanced the radiative properties especially in terms of short-wave range, and the emissivity in the long-wave range gradually increased with the thickness of oxide scale within a certain range. The influence of testing temperature and surface roughness was also investigated. The testing temperature had a little effect on radiative properties, whereas effect of surface roughness could be negligible.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced ceramic materials synthesis · Glass properties and applications · Nuclear materials and radiation effects
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (28)
Show source-provided references
1. The hypersonic environment: required operating conditions and design challenges10.1023/B:JMSC.0000041688.68135.8b ↗
2. UHTCs Ultra-high temperature ceramic materials for extreme environment applications10.1149/2.F04074IF ↗
3. Aerothermodynamic study of ultrahigh-temperature ceramic winglet for atmospheric reentry test10.2514/1.33296 ↗
4. A lightweight, high compression strength ultra high temperature ceramic corrugated panel with potential for thermal protection system applications10.1016/j.matdes.2014.06.024 ↗
5. Influence of bilayer periods on structural and mechanical properties of ZrC/ZrB2 superlattice coatings10.1016/j.apsusc.2006.12.002 ↗
6. Effects of porosity and pore size on mechanical and thermal properties as well as thermal shock fracture resistance of porous ZrB2-SiC ceramics10.1016/j.ceramint.2016.02.164 ↗
7. Surface oxidation of porous ZrB2-SiC ceramic composites by continuous-wave ytterbium fibre laser10.1016/j.apsusc.2015.09.164 ↗
8. Thermal and chemical approaches for oxygen catalytic recombination evaluation on ceramic matericals at high temperature10.1016/S0169-4332(97)00238-9 ↗
9. Experimental and theoretical simulation of heterogeneous catalysis in aerothermochemistry (a Review)10.1007/s10697-005-0106-4 ↗
10. Evaluation of surface catalytic effect on TPS in 110 kW ICP-heated wind tunnel
11. Comparative modeling study and experimental results of atomic oxygen recombination on silica- based surfaces at high temperature10.1016/j.ast.2005.01.011 ↗
12. Recombination coefficients and spectral emissivity of silicon carbide-based thermal protection materials10.2514/1.12814 ↗
13. Surface characterization of metallic and ceramic TPS-materials for reusable space vehicles10.1016/j.actaastro.2009.01.048 ↗
14. Relationship between emissivity and thickness of infrared composite ceramic coating with high emissivity
15. High emissivity of a rough Pr2NiO4 coating10.1063/1.1420780 ↗
16. Emissivity characteristics of roughened aluminum alloys surfaces and assessment of multispectral radiation thermometry (MRT) emissivity models10.1016/j.ijheatmasstransfer.2004.04.025 ↗
17. Effect of surface roughness on emittance of nonmetals10.1364/JOSA.56.000253 ↗
18. Effect of the machining method on the catalycity and emissivity of ZrB2-HfB2-based ceramics10.1111/j.1551-2916.2008.02325.x ↗
19. Rare-earth modified zirconium diboride high emissivity coatings for hypersonic applications10.1016/j.jeurceramsoc.2013.07.016 ↗
20. Effects of SiC shape and oxdiation on the infrared emissivity properties of ZrB2-SiC ceramics10.1016/j.jallcom.2014.09.191 ↗
21. ZrB2-SiC composites’ surface temperature response to dissociated oxygen at 1600°C10.1016/j.ceramint.2016.06.041 ↗
22. Effects of oxygen partial pressure and atomic oxygen on the microstructure of oxide scale of ZrB2-SiC composites at 1500°C10.1016/j.corsci.2013.03.023 ↗
23. The thermal shock resistance of the ZrB2-SiC-ZrC ceramic10.1016/j.matdes.2011.02.056 ↗
24. Oxidation behavior of zirconium diboride-silicon carbide at 1800°C10.1016/j.scriptamat.2007.07.009 ↗
25. Oxidation of ZrB2 powder in the temperature range of 650–800°C10.1016/j.jallcom.2008.04.006 ↗
26. Refractory diborides of zirconium and hafnium10.1111/j.1551-2916.2007.01583.x ↗
27. Effect of surface oxidation on thermal shock resistance of the ZrB2-SiC-ZrC ceramic10.1016/j.compscitech.2011.06.008 ↗
28. A rotating cylinder method for measuring normal spectral emittance of ceramic oxide specimensfrom 1200 to 1600K10.6028/jres.070A.033 ↗