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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 J can be found below.

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Terms J

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


jackstrawing
A visual effect of glass fibre turning white in a cured laminate. This usually does not effect the strength of a laminate, but could be an indication of materials incompatibility.


jig
Any fixture for holding parts in position, while joining them together or to maintain their shape.


joint, adhesive
See adhesive joint


joint, butt
See butt joint


joint, edge
See edge joint


joint, lap
See lap joint


joint, scarf
See scarf joint