Issues in Compression Loading of Composite Structures,
DAYTON UNIV OH
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Compression loading causes difficulty in the development of test methods and failure criteria. Compression testing has produced considerable controversy with a number of different experimental methods being considered. Each method, however, often produces different values of apparent compression strength. The failure mode is the key issue, as each test method may produce a different failure mode. In addition, the failure modes often depend on fiber and matrix properties and on laminate geometry. When data is reported the failure mode is often ignored. In analyzing failure modes one must consider how relevant the test geometry and load introduction is to the actual application for which the data is being generated. Development of failure criteria also creates difficulty because of the various possible failure modes. This paper considers these issues in detail.
- Laminates and Composite Materials