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Title: Crushing behaviors of unidirectional carbon fiber reinforced plastic composites under dynamic bending and axial crushing loading

Journal Article · · International Journal of Impact Engineering
 [1];  [2];  [3];  [4];  [5];  [5];  [4]
  1. The Ohio State Univ., Columbus, OH (United States)
  2. Nanjing Univ. of Aeronautics and Astronautics (China)
  3. Northwestern Univ., Evanston, IL (United States)
  4. Shanghai Jiao Tong Univ. (China)
  5. Ford Motor Company, Dearborn, MI (United States)

The dynamic crushing characteristics of unidirectional carbon fiber reinforced plastic composites under two loading types, dynamic three-point bending and axial crushing, are investigated by experiment and finite element simulation. Hat section samples with two different layup orientations are tested at various impact velocities to investigate its effects. The experiment results show that delamination plays a critical role in dynamic bending deformation. Different layup orientations lead to similar crushing bending behaviors, but remarkable variations in delamination pattern evolutions. In contrast, layup orientation exerts more significant effects on failure modes and energy absorption in axial crushing. A finite element model with multiple layers of thick shell element and cohesive element is established, and simulations are performed for both dynamic three-point bending and axial crushing. The model can capture the crushing behaviors in the two loading types reasonably well. The damage evolution and energy absorption through various mechanisms at different loading conditions are discussed.

Research Organization:
Ford Motor Company, Detroit, MI (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
Grant/Contract Number:
EE0006867
OSTI ID:
1799258
Alternate ID(s):
OSTI ID: 1693608
Journal Information:
International Journal of Impact Engineering, Vol. 140; ISSN 0734-743X
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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