Journal of Inorganic Materials ›› 2013, Vol. 28 ›› Issue (5): 545-550.DOI: 10.3724/SP.J.1077.2013.12395
• Orginal Article • Previous Articles Next Articles
YUAN Le, WENG Xiao-Long, LU Hu, DENG Long-Jiang
Received:
2012-06-25
Revised:
2012-09-04
Published:
2013-05-10
Online:
2013-04-22
About author:
YUAN Le. E-mail: yuanle.cn@gmail.com
Supported by:
CLC Number:
YUAN Le, WENG Xiao-Long, LU Hu, DENG Long-Jiang. Preparation and Infrared Reflection Performance of Al/Cr2O3 Composite Particles[J]. Journal of Inorganic Materials, 2013, 28(5): 545-550.
Samples | n(Cr3+): n(Al) | Composition/g | Precipitant/g | ||
---|---|---|---|---|---|
Flake Al | Cr(ON3)3·9H2O | SDBS | NH3·H2O (25wt%) | ||
S1 | 1:0 | 0 | 16 | 1.12 | 16.32 |
S2 | 1:1 | 1.08 | 16 | 1.12 | 16.32 |
S3 | 0.4:1.0 | 2.70 | 16 | 1.12 | 16.32 |
S4 | 0.2:1.0 | 5.40 | 16 | 1.12 | 16.32 |
S5 | 0.1:1.0 | 10.8 | 16 | 1.12 | 16.32 |
Table 1 Compositions of the raw materials
Samples | n(Cr3+): n(Al) | Composition/g | Precipitant/g | ||
---|---|---|---|---|---|
Flake Al | Cr(ON3)3·9H2O | SDBS | NH3·H2O (25wt%) | ||
S1 | 1:0 | 0 | 16 | 1.12 | 16.32 |
S2 | 1:1 | 1.08 | 16 | 1.12 | 16.32 |
S3 | 0.4:1.0 | 2.70 | 16 | 1.12 | 16.32 |
S4 | 0.2:1.0 | 5.40 | 16 | 1.12 | 16.32 |
S5 | 0.1:1.0 | 10.8 | 16 | 1.12 | 16.32 |
Samples | S1 | S2 | S3 | S4 | S5 | Al |
---|---|---|---|---|---|---|
ε8-14μm | 0.93 | 0.71 | 0.67 | 0.57 | 0.56 | 0.52 |
CIE L* | 21.0 | 47.7 | 54.0 | 62.3 | 72.1 | 77.1 |
Table 2 Emissivity and brightness of Al/Cr2O3 powders
Samples | S1 | S2 | S3 | S4 | S5 | Al |
---|---|---|---|---|---|---|
ε8-14μm | 0.93 | 0.71 | 0.67 | 0.57 | 0.56 | 0.52 |
CIE L* | 21.0 | 47.7 | 54.0 | 62.3 | 72.1 | 77.1 |
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