Fiberset Incorporated's Glossary of Composite Terms

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X-AXIS
The axis in the plane of the laminate used as 0( reference.

X-Y PLANE
In composite laminates, the reference plane parallel to the plane of the laminate.


Y-AXIS
The axis in the plane of the laminate perpendicular to the X-axis.

YARN
Continuously twisted fibers or strands suitable for use in weaving into fabrics.

YIELD STRENGTH
The stress at which a material exhibits a specified limiting deviation from the proportionality of stress to strain; the lowest stress at which a material undergoes plastic deformation. Below this stress, the material is elastic; above it, viscous.

YOUNG'S MODULUS
The ratio of tensile stress to tensile strain below the proportional limit.


Z-AXIS
The reference axis normal to the laminate plane in composite laminates.

ZERO BLEED
Laminate fabrication procedure that does not allow loss of resin during cure.



Glossary Section (X, Y, Z) Last Updated: 4/27/99 10:17 AM