Crushing Response of Energy Absorbing Composite Structure

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by Gary L. Farley, NASA Langley Research Cent, Hampton, United States,

Document Type: Proceeding Paper

Part of: Engineering Mechanics:

Abstract: A description of why and how composite structures crush and absorb energy is presented. The three primary crushing modes of composite structure (transverse shearing, lamina bending and local buckling) and their response mechanisms are described. Data are presented that show that mechanical property trends cannot be reliably used to predict energy-absorption trends for composite structures.

Subject Headings: Composite structures | Transverse shear | Bending (structural) | Buckling | Structural reliability | Fiber reinforced composites | Cracking | Shear stress |

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