Infrared radiation characteristics of oxide composites
Conference
·
OSTI ID:143180
- Science Univ. of Tokyo, Chiba (Japan). Dept. of Materials Science and Technology
The infrared radiation heating materials are being used for various applications. Infrared radiation characteristics of oxides and oxide composites were investigated by measuring spectral emissivity. Powders of silica and alumina and mixture of the two powders were compacted into disc shape specimens and heated at 1000{degree}C for various heating times. The infrared emissivity of specimens were measured using an infrared spectrophotometer. The spectral emissivity curve of single oxide showed a distinctive shape with intrinsic absorption zone. This absorption zone was partially compensated by making a composite with other oxide powder. However, the spectral emissivity curve changed to the different type, when a complex oxide was formed between two oxides. It was shown that a high efficiency infrared radiator can be achieved by selecting a composite suitable for a required purpose.
- OSTI ID:
- 143180
- Report Number(s):
- CONF-930246--; ISBN 0-87339-251-5
- Country of Publication:
- United States
- Language:
- English
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