Co-bonding

A joining method in which an uncured laminate is cured directly against a previously cured component, usually with an adhesive layer at the interface. It sits between co-curing and secondary bonding, and surface preparation of the cured element is critical to joint quality.

Also known as: Co-bond

Related terms

Co-curing

The curing of two or more elements, such as skins and stiffeners, in a single cure cycle so that they bond together as the resin cures, without a separate adhesive joint. It removes secondary assembly steps but demands careful tooling to control the geometry of all elements at once.

Manufacturing processesComposites & laminatesAerospaceAutomotiveMarineGreen energyIndustrial

Secondary bonding

The adhesive joining of two or more fully cured composite or metallic parts in a separate operation after moulding. Joint performance depends heavily on surface preparation, adhesive selection and control of bondline thickness.

Manufacturing processesComposites & laminatesResins & adhesivesAerospaceAutomotiveConstructionMarineGreen energyIndustrial

Peel ply

A sacrificial woven fabric laminated onto the surface of a laminate and torn off after cure, leaving a clean, uniformly textured surface ready for bonding or painting. Release-coated variants can transfer contamination and are generally avoided where structural bonding will follow.

Manufacturing processesComposites & laminatesAerospaceMarineAutomotiveConstructionGreen energyIndustrial

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