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Behavior of compression-loaded composite panels with stringer terminations and impact damage

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The results of an analytical and experimental study of graphite-epoxy stiffened panels with impact-damaged stringer terminations are presented。 ^Five stitched graphite-epoxy panels with stiffeners with a gradual reduction in either thickness or height were examined。 ^Panels were analyzed using FEM analysis and tested by loading them in axial compression to a predetermined load。 ^The panels were then subjected to impact damage and loaded to failure。 ^Axial midplane strains， surface strains， interlaminar strains and failure results are discussed。 ^(Author)

COMPRESSION LOADSPANELSGRAPHITE-EPOXY COMPOSITESIMPACT DAMAGEFAILURE MODES

Jegley、Dawn C.

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In: AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference and Exhibit, 39th, and AIAA/ASME/AHS Adaptive Structures Forum, Long Beach, CA, Apr. 20-23, 1998, Collection of Technical Papers. Pt. 1 (A98-25001 06-39), Reston, VA

p733-743

1998