Investigation On Impact Behavior Of Several
Structured Design Cushion Spacers
Author(s)
W. Z. Zhong, G. Chen, Z. M. Hao, X. C. Huang, X. L. Wang,
S. Z. Li & X. J. Liu
Abstract
The impact response of rubber and foam aluminum cushion spacers is simulated
by ABAQUS finite element analysis software. It indicates that shape designed
structures of rubber and foam aluminum buffer effectively in impact conditions.
The rubber structure induces different deformation modes of the cushion spacer
during the impact process and the deformation mode can be controlled. Elastic
deformation of the rubber structure can accumulate energy. Rubber cushion
endergonic and exergonic processes are reversible. It transforms kinetic energy
into potential energy, prolongs loading time and releases the impact loading
peak. Plastic deformation of foam aluminum can absorb energy and dissipation
impacts kinetic energy. The process of aluminum dissipation energy is
irreversible. Foam aluminum plastic dissipation energy is analyzed by a
simplified mechanical theory. And corresponding impact experiments verify that
the structured design rubber cushion spacer is valid.
Keywords: rubber, foam aluminum, impact cushion, energy transform, numerical
simulation.
Keywords
rubber, foam aluminum, impact cushion, energy transform, numerical
simulation.
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