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Proceedings Paper

FTIR process monitoring of metal powder temperature and size distribution
Author(s): Peter A. Rosenthal; Joseph E. Cosgrove; John R. Haigis; James R. Markham; Peter R. Solomon; Stuart Farquharson; Philip W. Morrison; Stephen D. Ridder; Francis S. Biancaniello
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Paper Abstract

We have developed in-situ infrared sensors for on-line measurements of particle size distributions and temperatures during the manufacture of metal powders produced by the supersonic inert gas molten atomization technique. The sensors are based on novel applications of Fourier transform infrared spectroscopy and advanced numerical analysis techniques based on sound physical models. We have demonstrated the ability to measure the infrared transmission and emission of a hot molten particle stream. We have also identified a promising mathematical approach which deconvolves particle size distributions from extinction spectra.

Paper Details

Date Published: 19 January 1995
PDF: 11 pages
Proc. SPIE 2367, Optical Sensors for Environmental and Chemical Process Monitoring, (19 January 1995); doi: 10.1117/12.199665
Show Author Affiliations
Peter A. Rosenthal, Advanced Fuel Research, Inc. (United States)
Joseph E. Cosgrove, Advanced Fuel Research, Inc. (United States)
John R. Haigis, Advanced Fuel Research, Inc. (United States)
James R. Markham, Advanced Fuel Research, Inc. (United States)
Peter R. Solomon, On-Line Technologies (United States)
Stuart Farquharson, Advanced Fuel Research, Inc. (United States)
Philip W. Morrison, Case Western Reserve Univ. (United States)
Stephen D. Ridder, National Intitute of Standards and Technology (United States)
Francis S. Biancaniello, National Intitute of Standards and Technology (United States)


Published in SPIE Proceedings Vol. 2367:
Optical Sensors for Environmental and Chemical Process Monitoring
Ishwar D. Aggarwal; Stuart Farquharson; Eric Koglin, Editor(s)

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