Impact Strength and Toughness of Fiber Composite Materials

LJ Broutman; A Rotem

doi:10.1520/STP33153S

SYMPOSIA PAPER Published: 01 January 1975

STP33153S

Impact Strength and Toughness of Fiber Composite Materials

Source

The drop weight impact energy for beam specimens has been studied using various unidirectional and cross-ply glass fiber laminates. The strength and impact energy of these laminates are strain rate sensitive. The orientation of the lamination planes with respect to the impact load (perpendicular or parallel) is important and determines the failure mode as well as the impact energy. Cross-ply laminates, although weaker than unidirectional laminates, provide the same impact energy absorption in flexure since the dominant failure mode is delamination between layers. Failure models are described to account for the differences in impact energy absorbed for the various composite structures which were tested.

Author Information

Broutman, LJ

Israel Institute of Technology, Haifa, Ill., Israel

Rotem, A

Israel Institute of Technology, Haifa, Ill., Israel

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Details

Developed by Committee: D30

Pages: 114–133

DOI: 10.1520/STP33153S

ISBN-EB: 978-0-8031-4651-8

ISBN-13: 978-0-8031-0357-3

Impact Strength and Toughness of Fiber Composite Materials

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