Advanced thermal imaging of composites

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Composite materials were studied by Scanning Thermal Conductivity Microscope (STCM) and high speed thermography. The STCM is a qualitative technique which is used to study thermal conductivity variations on a sub-micrometer scale. High speed thermography is a quantitative technique for measuring thermal diffusivity with a variable spatial resolution from centimeters down to less than 25 gm. A relative thermal conductivity contrast map was obtained from a SiC/Si3N4 continuous fiber ceramic composite using the STCM. Temperature changes of a carbon/carbon composite after a heat pulse were captured by an IR camera to generate a thermal diffusivity map of the specimen. Line ... continued below

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10 p.

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Wang, H. & Dinwiddie, R.B. June 1, 1996.

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Description

Composite materials were studied by Scanning Thermal Conductivity Microscope (STCM) and high speed thermography. The STCM is a qualitative technique which is used to study thermal conductivity variations on a sub-micrometer scale. High speed thermography is a quantitative technique for measuring thermal diffusivity with a variable spatial resolution from centimeters down to less than 25 gm. A relative thermal conductivity contrast map was obtained from a SiC/Si3N4 continuous fiber ceramic composite using the STCM. Temperature changes of a carbon/carbon composite after a heat pulse were captured by an IR camera to generate a thermal diffusivity map of the specimen. Line profiles of the temperature distribution showed significant variations as a result of fiber orientation.

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10 p.

Notes

OSTI as DE96011930

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  • 98. annual meeting of the American Ceramic Society, Indianapolis, IN (United States), 14-17 Apr 1996

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  • Other: DE96011930
  • Report No.: CONF-9604124--9
  • Grant Number: AC05-96OR22464
  • Office of Scientific & Technical Information Report Number: 253373
  • Archival Resource Key: ark:/67531/metadc672136

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • June 1, 1996

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  • June 29, 2015, 9:42 p.m.

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  • Jan. 21, 2016, 1:53 p.m.

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Wang, H. & Dinwiddie, R.B. Advanced thermal imaging of composites, article, June 1, 1996; Tennessee. (digital.library.unt.edu/ark:/67531/metadc672136/: accessed December 12, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.