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High-Velocity Impact on Composite Laminates

High-Velocity Impact on Composite Laminates

High-velocity impact on composite materials is an important phenomenon.

In this project, a high-velocity impact on glass/epoxy and carbon/epoxy composite laminates was done. 

The damage model of composite material was written in the VUMAT subroutine of the ABAQUS code. 

This program is based on the FORTRAN programming language. 

3D-Hashin failure criterion was used to detect damage initiation. Matzenmiller’s [1] damage model was used to degrade material properties. 

The damage model is based on continuum damage mechanics (CDM) initially proposed by Kachanov [2]. 

This damage model can find different damage modes, such as matrix cracking, fiber breakage in tension, and compression. 

To simulate delamination in composite laminate, a cohesive zone model (CZM) was used. 

Composite material behavior is dependent on the strain rate of loading. 

The strain rate effect was defined in this program. 

The impact response of composite laminate for different stacking sequences and projectile shapes was investigated in this study. 

The impact velocity range was between 100 m/s to 400 m/s. for more information please get in touch with Us.

[1] A. Matzenmiller, J. Lubliner, R. L. Taylor, A constitutive model for anisotropic damage in fiber-composites, Mechanics of Materials, Vol. 20, No. 2, pp. 125-152, 1995. 

[2] L. M. Kachanov, on the creep rupture time (in Russia), Izv. Akad Nauk, Vol. 8, pp. 26-31, 1958. 

low velocity impact

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