The measurement of porosity in composite materials using infrared thermography
Journal Article
·
· Journal of Reinforced Plastics and Composites; (United States)
- Southwest Research Inst., San Antonio, TX (United States)
The possibility of using infrared tomography for inspecting fiber-reinforced polymer matrix composite materials for the presence and extent of porosity is investigated experimentally. The technique involves heating one face of the sample with a laser and observing the temperature rise on the other face as the heat diffuses through the sample. Experimental results obtained for carbon/epoxy samples with a range of known porosities are presented. Good correlation between the diffusivity and porosity is obtained for the samples tested. 8 refs.
- OSTI ID:
- 6307180
- Journal Information:
- Journal of Reinforced Plastics and Composites; (United States), Vol. 11:12; ISSN 0731-6844
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
COMPOSITE MATERIALS
INSPECTION
POROSITY
THERMOGRAPHY
CARBON FIBERS
NONDESTRUCTIVE TESTING
THERMAL DIFFUSIVITY
FIBERS
MATERIALS
MATERIALS TESTING
MEASURING METHODS
PHYSICAL PROPERTIES
TESTING
THERMODYNAMIC PROPERTIES
360603* - Materials- Properties
440101 - Radiation Instrumentation- General Detectors or Monitors & Radiometric Instruments
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
COMPOSITE MATERIALS
INSPECTION
POROSITY
THERMOGRAPHY
CARBON FIBERS
NONDESTRUCTIVE TESTING
THERMAL DIFFUSIVITY
FIBERS
MATERIALS
MATERIALS TESTING
MEASURING METHODS
PHYSICAL PROPERTIES
TESTING
THERMODYNAMIC PROPERTIES
360603* - Materials- Properties
440101 - Radiation Instrumentation- General Detectors or Monitors & Radiometric Instruments