Effect of lanthanum content on the thermophysical properties and near-infrared reflection properties of lanthanum-cerium oxides

Zeng, Shenghao; Wang, Zhoufu; Ma, Yan; Wang, Xitang; Líu, Hao; Dong, Yunjie; Li, Yueying; Qiao, Entao; Qian, Weilun

doi:10.1016/j.solidstatesciences.2021.106805

Cited by 2 publications

(2 citation statements)

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“…20 According to the law of Wien displacement, 21 more than 90% of the radiation energy wavelength is a nearinfrared band of 1200-3000 nm within the temperature range of 1000-2200°C. 22 Huang 23 showed that the LCO powder has a high near-infrared reflectivity (R ni ) of 90% in the 740-2500 nm waveband. Our team previously discovered that LCO ceramics possess excellent R ni (>82%, 1200-2200 nm).…”

Section: Introductionmentioning

confidence: 99%

“…Our team previously discovered that LCO ceramics possess excellent R ni (>82%, 1200-2200 nm). 22 Notably, the material property is not only affected by its phase composition and structure, but the material preparation process also affects the infrared reflection property, which further influences the thermal insulation property of the coating.…”

Section: Introductionmentioning

confidence: 99%

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Study on the thermal insulation property of lanthanum–cerium oxide coatings

Zeng,

Wang,

et al. 2024

Surface Engineering

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Functional fillers with low thermal conductivity and high near-infrared reflectance play a vital role in high temperature thermal insulation coatings and make an outstanding contribution to achieving efficient comprehensive thermal insulation. In this work, the thermal insulation and bonding properties of lanthanum–cerium oxide (LCO) coatings were regulated by composition design. The effects of the La/Ce mole ratio on phase composition, the thermal conductivity and near-infrared reflectivity of LCO coatings were investigated systematically. The results showed that coating with a La/Ce mole ratio of 1:1 possess the excellent thermal insulation properties (ΔT ≈ 115°C) due to the formation of a LCO solid solution and a lanthanum phosphate mesophase with low thermal conductivity and high near-infrared reflectivity. In addition, the mortise and tenon structure was formed between the coating and the substrate, which led to the remarkable bonding properties. The LCO coating offers excellent thermal insulation properties and broad application prospects in the fields of high temperature and energy conservation.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%