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Micromechanics of composite laminate compression failure

Author
Bradley, Walter L.
Published
Nov 15, 1986.
Physical Description
1 electronic document
Additional Creators
Guynn, E. Gail
Online Version

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Unclassified, Unlimited, Publicly available.
Free-to-read Unrestricted online access
Summary
The Dugdale analysis for metals loaded in tension was adapted to model the failure of notched composite laminates loaded in compression. Compression testing details, MTS alignment verification, and equipment needs were resolved. Thus far, only 2 ductile material systems, HST7 and F155, were selected for study. A Wild M8 Zoom Stereomicroscope and necessary attachments for video taping and 35 mm pictures were purchased. Currently, this compression test system is fully operational. A specimen is loaded in compression, and load vs shear-crippling zone size is monitored and recorded. Data from initial compression tests indicate that the Dugdale model does not accurately predict the load vs damage zone size relationship of notched composite specimens loaded in compression.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19870017544.
Accession ID: 87N26977.
NAS 1.26:180348.
NASA-CR-180348.
Terms of Use and Reproduction
No Copyright.
View MARC record | catkey: 15697890