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Composites Terminology Database

This glossary is not an exhaustive list, however it does contain the majority of terms used in the composites industry and as part of the management of our website, it is updated on a continual basis.

The terms are accessed by clicking on the appropriate letter below, all the terms beginning with the letter X can be found below.

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Terms X

Click on a term and it will take you to the coresponding explanation.


x-axis
In composite laminates, an axis in the plane of the laminate which is used as the 0¡ reference for designating the angle of a lamina.


XC
Ultimate compressive strength in the direction of the fibre, given in kpsi.


XT
Ultimate strength in tension along the direction of the fibre, given in kpsi.

See ultimate tensile strength
"ultimate tensile strength"


xy-plane
In composite laminates, the reference plane parallel to the plane of the laminate.