Moisture absorption in graphite/organic-matrix composites

Technical Report · Sun Nov 30 23:00:00 EST 1986

OSTI ID:6963046

Odegard, Jr, B C

Moisture absorption of graphite-epoxy composites in humid air was investigated and the results compared with similar data taken on a graphite-thermoplastic resin composite. The composite materials were: P75/3501-6, IM6/5217c, and AS4/PEEK. In addition, the P75/3501-6 was tested in both the ''as-cured'' and ''thermal cycled'' condition. The measured diffusivity values for the P75/3501-6 were in good agreement with earlier investigators. The thermoplastic resin, PEEK, absorbed moisture at a very low rate compared to the thermosetting resins which was expected. The P75/3501-6 composite exhibited the same diffusivity value for both the ''as-cured'' and ''thermally conditioned'' conditions.

• Research Organization: Sandia National Labs., Livermore, CA (USA)
• DOE Contract Number: AC04-76DR00789
• OSTI ID: 6963046
• Report Number(s): SAND-86-8248; ON: DE87004229
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360603* -- Materials-- Properties
ADSORPTION
CARBON
COMPOSITE MATERIALS
DIFFUSION
ELEMENTAL MINERALS
ELEMENTS
EPOXIDES
GRAPHITE
MATERIALS
MINERALS
MOISTURE
NONMETALS
ORGANIC COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
ORGANIC POLYMERS
PETROCHEMICALS
PETROLEUM PRODUCTS
PLASTICS
POLYMERS
RESINS
SORPTION
SYNTHETIC MATERIALS
THERMOPLASTICS