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Research progress in reusable radiant thermal protection coatings on rigid ceramic insulation tiles
GUO Linlin, MIAO Chengpeng, ZHANG Jinjun, LI Jiangtao, TAO Xin, WANG Mingchao, DU Haiyan, LIU Jiachen
Journal of Materials Engineering, 2025, 53(6): 105-116.   DOI: 10.11868/j.issn.1001-4381.2024.000590

Coating composition Coating structure Measuring range/μm Emissivity Thermal shock resistance Reference
MoSi2-borosilicate glass coating

Dense top layer (≈100 μm)+

porous transition layer (≈1000 μm)

0.25-2.5

3-30

0.8 1400 ℃ to room temperature,15 times,mass loss 2.84% 43
MoSi2-ZrO2-borosilicate glass coating Top glass layer (≈50 μm)+ compact surface layer (≈200 μm) +interface transition layer (≈200 μm) 0.8-2.5 0.85 1500 ℃ to room temperature,10 times,mass loss 1.81% 44
TaSi2-SiO2-borosilicate glass coating Top oxide layer+compact surface layer (≈100 μm)+interface transition layer 0.3-2.5 0.9 1300 ℃ to room temperature,10 times,mass loss 1.81% 45
MoSi2-TaSi2-glass hybrid coating Top glass layer (≈50 μm)+ compact surface layer (≈200 μm) +interface transition layer (≈50 μm) 0.3-2.5 >0.9 1500 ℃,50 h,mass loss 9.75 mg·cm-2 46
WSi2-Si-glass hybrid coating Dense top layer (≈40 μm)+porous layer (≈200 μm)+interface transition layer (≈200 μm) 0.3-2.5 0.92 12
MoSi2-TaSi2-borosilicate glass porous coating Surface porous layer(≈150 μm)+ interface transition layer (≈300 μm) 0.3-2.5 0.88 1400 ℃ to room temperature,10 times,dense structure 47
MoSi2-TaSi2-borosilicate glass coating Compact surface layer(≈50 μm)+interface transition layer (≈80 μm) 0.3-2.5 0.85 1500 ℃ to room temperature,10 times,without surface cracks 48

WSi2-MoSi2-Si-SiB6-borosilicate glass

coatings

Dense top layer (≈100 μm)+ interface transition layer (≈50 μm) 0.3-2.5 >0.85 1500 ℃,50 h,mass loss 10.06 mg·cm-2 49
Table 1 Multilayer gradient structure coating and properties coated on zirconia fiber insulation tiles
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