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Techniques for measurement of the thermal expansion of advanced composite materialsTechniques available to measure small thermal displacements in flat laminates and structural tubular elements of advanced composite materials are described. Emphasis is placed on laser interferometry and the laser interferometric dilatometer system used at the National Aeronautics and Space Administration (NASA) Langley Research Center. Thermal expansion data are presented for graphite-fiber reinforced 6061 and 2024 aluminum laminates and for graphite fiber reinforced AZ91 C and QH21 A magnesium laminates before and after processing to minimize or eliminate thermal strain hysteresis. Data are also presented on the effects of reinforcement volume content on thermal expansion of silicon-carbide whisker and particulate reinforced aluminum.
Document ID
19900044400
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Tompkins, Stephen S.
(NASA Langley Research Center Hampton, VA, United States)
Date Acquired
August 14, 2013
Publication Date
January 1, 1989
Subject Category
Composite Materials
Meeting Information
Meeting: Symposium on Metal Matrix Composites: Testing, Analysis, and Failure Modes
Location: Sparks, NV
Country: United States
Start Date: April 25, 1988
End Date: April 26, 1988
Sponsors: ASTM, NASA
Accession Number
90A31455
Distribution Limits
Public
Copyright
Other

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