Copyright© 2010 Nilakantan Composites. All rights reserved.

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Unidirectional Tows and 3D Fabrics

These images represent just a few of the many hundreds of possible models that DYNAFAB can help create….

All images are copyrighted.

© Copyright 2010 Nilakantan Composites. All rights reserved.

Unidirectional composite with sinusoidal cross section tows

 

Unidirectional composite with rectangular cross section tows

and Mesh Option #2

 

Fill tows in a unidirectional composite with mixed cross section tows

Here the top part of the tow is sinusoidal while the bottom is flat

 

Fill tows in a unidirectional composite with trapezium cross section tows

 

Fill tows in a unidirectional composite with elliptical cross section tows and horizontal undulations

Here the horizontal undulations and tow spacing are controlled independently

 

Fill tows in a unidirectional composite with mixed cross section tows

Here the top and bottom parts of the tow are sinusoidal but with different geometrical parameters

 

3D fabric with five layers of alternating warp and fill tows interlaced with inclined through-thickness Z-tows

 

3D fabric with five layers of alternating warp and fill tows interlaced with vertical through-thickness Z-tows

 

Cross section of a 3D fabric

(LEFT TOP) Micrograph showing z-tow undulations and fill cross section

(LEFT BOTTOM) Micrograph showing z-tow and warp cross section

(RIGHT) Corresponding FE mesh

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