Composite heat damage assessment

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The effects of heat damage were determined on the residual mechanical, physical, and chemical properties of IM6/3501-6 laminates, and potential nondestructive techniques to detect and assess material heat damage were evaluated. About one thousand preconditioned specimens were exposed to elevated temperatures, then cooled to room temperature and tested in compression, flexure, interlaminar shear, shore-D hardness, weight loss, and change in thickness. Specimens experienced significant and irreversible reduction in their residual properties when exposed to temperatures exceeding the material upper service temperature of this material (350{degrees}F). The Diffuse Reflectance Infrared Fourier Transform and Laser-Pumped Fluorescence techniques were found to be capable ... continued below

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16 p.

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Janke, C.J.; Wachter, E.A.; Philpot, H.E. & Powell, G.L. December 31, 1993.

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Description

The effects of heat damage were determined on the residual mechanical, physical, and chemical properties of IM6/3501-6 laminates, and potential nondestructive techniques to detect and assess material heat damage were evaluated. About one thousand preconditioned specimens were exposed to elevated temperatures, then cooled to room temperature and tested in compression, flexure, interlaminar shear, shore-D hardness, weight loss, and change in thickness. Specimens experienced significant and irreversible reduction in their residual properties when exposed to temperatures exceeding the material upper service temperature of this material (350{degrees}F). The Diffuse Reflectance Infrared Fourier Transform and Laser-Pumped Fluorescence techniques were found to be capable of rapid, in-service, nondestructive detection and quantitation of heat damage in IM6/3501- 6. These techniques also have the potential applicability to detect and assess heat damage effects in other polymer matrix composites.

Physical Description

16 p.

Notes

OSTI as DE96010639

Source

  • Conference on characterization and NDE of heat damage in graphite epoxy composites, Orlando, FL (United States), 27-29 Apr 1993

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  • Other: DE96010639
  • Report No.: CONF-9304304--1
  • Grant Number: AC05-84OR21400
  • Office of Scientific & Technical Information Report Number: 245551
  • Archival Resource Key: ark:/67531/metadc671415

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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.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • December 31, 1993

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  • June 29, 2015, 9:42 p.m.

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  • April 21, 2016, 9:40 p.m.

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Janke, C.J.; Wachter, E.A.; Philpot, H.E. & Powell, G.L. Composite heat damage assessment, article, December 31, 1993; Tennessee. (digital.library.unt.edu/ark:/67531/metadc671415/: accessed November 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.