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Some important aspects in testing high-modulus fiber composite tubes in axial tension.Tubular specimens were potted in metal grips to determine the feasibility of this gripping method in applying multiaxial loads. Strain gage rosettes were used to assess grip transitional strains, through thickness strain variation, and strain variations along the tube length and circumference. The investigation was limited to loading graphite/epoxy and glass/epoxy tubes in axial tension. Results include modifications made to the grips to reduce transitional strains, illustrations of the tube failure modes, and some material properties. The gripping concept shows promise as a satisfactory technique for applying multiaxial loads to high-strength, high-modulus fiber composite tubes.
Document ID
19730058837
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Sullivan, T. L.
Chamis, C. C.
(NASA Lewis Research Center Cleveland, Ohio, United States)
Date Acquired
August 7, 2013
Publication Date
January 1, 1973
Subject Category
Materials, Nonmetallic
Meeting Information
Meeting: Symposium on Analysis of the test methods for high modulus fibers and composites
Location: San Antonio, TX
Start Date: April 12, 1972
End Date: April 13, 1972
Accession Number
73A43639
Distribution Limits
Public
Copyright
Other

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