Infrared Imaging of Temperature Distribution in a High Temperature X-Ray Diffraction Furnace

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Description

High Temperature X-ray Diffraction (HTXRD) is a very powerful tool for studies of reaction kinetics, phase transformations, and lattice thermal expansion of advanced materials. Accurate temperature measurement is a critical part of the technique. Traditionally, thermocouples, thermistors, and optical pyrometers have been used for temperature control and measurement and temperature could only be measured at a single point. Infrared imaging was utilized in this study to characterize the thermal gradients resulting from various sample and furnace configurations in a commercial strip heater furnace. Furnace configurations include a metallic strip heater, with and without a secondary surround heater, or a surround ... continued below

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4 p.

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Payzant, E.A. & Wang, H. April 5, 1999.

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Description

High Temperature X-ray Diffraction (HTXRD) is a very powerful tool for studies of reaction kinetics, phase transformations, and lattice thermal expansion of advanced materials. Accurate temperature measurement is a critical part of the technique. Traditionally, thermocouples, thermistors, and optical pyrometers have been used for temperature control and measurement and temperature could only be measured at a single point. Infrared imaging was utilized in this study to characterize the thermal gradients resulting from various sample and furnace configurations in a commercial strip heater furnace. Furnace configurations include a metallic strip heater, with and without a secondary surround heater, or a surround heater alone. Sample configurations include low and high thermal conductivity powders and solids. The IR imaging results have been used to calibrate sample temperatures in the HTXRD furnace.

Physical Description

4 p.

Notes

OSTI as DE00003457

Medium: P; Size: 4 pages

Source

  • SPIE AeroSense '99 Conference: Applications and Science of Computational Intelligence, Orlando, FL (US), 04/05/1999--04/09/1999

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  • Report No.: ORNL/CP-101209
  • Report No.: EE 04 03 00 0
  • Grant Number: AC05-96OR22464
  • Office of Scientific & Technical Information Report Number: 3457
  • Archival Resource Key: ark:/67531/metadc676622

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  • April 5, 1999

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • April 10, 2017, 8:11 p.m.

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Payzant, E.A. & Wang, H. Infrared Imaging of Temperature Distribution in a High Temperature X-Ray Diffraction Furnace, article, April 5, 1999; Tennessee. (digital.library.unt.edu/ark:/67531/metadc676622/: accessed September 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.