Paper Title:
The Equipment on High Sensitive Test of Infrared Directional Emissivity of Materials
  Abstract

This paper introduces an approach of novel principle to measure the directional emissivity of material surfaces direct. The value of the infrared directional emissivity is obtained by comparing the surface spectral emissivity of testing samples to a blackbody reference. Weak signals are measured with pyroelectric detector by optical modulation and phase-locked amplified technologies. Our experiment is implemented with stainless steel in circumstance of 20 - 300°C, the testing sample is 8µm- 14μm. Compare to the reference and the calibration value without a cooling process, combined uncertainty is less than 0.04, and the result is satisfied.

  Info
Periodical
Advanced Materials Research (Volumes 291-294)
Chapter
Tooling Testing and Evaluation of Materials
Edited by
Yungang Li, Pengcheng Wang, Liqun Ai, Xiaoming Sang and Jinglong Bu
Pages
1272-1277
DOI
10.4028/www.scientific.net/AMR.291-294.1272
Citation
L. Y. Zhang, Y. K. Liang, "The Equipment on High Sensitive Test of Infrared Directional Emissivity of Materials", Advanced Materials Research, Vols. 291-294, pp. 1272-1277, 2011
Online since
July 2011
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Price
$32.00
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