Bonding of tailored blanks – secure adhesion, structural reinforcement, lighter components

Tailored blanks are metal panels made of layers of different material grades in varying thicknesses and strengths. They are supplied as semi-finished products for manufacturing car exterior parts. These tailored metal panels are selectively reinforced by additional material layers at points or areas which will be exposed to high stress loads in service. Their structural strength can be improved still further by the use of special reinforcing adhesives.

In this process step, Openair® Plasma pretreatment assures secure adhesion of the material layers. This combination provides distinct advantages in terms of low weight of the components plus increased crash safety.

Federal Ministry of Education and Resarch, Germany
Joint Project EFFICOAT

The future of the automobile – new material combinations with light-weight construction and plasma coating

Conventional sheet metal construction in automobile manufacturing is being replaced by new, lightweight techniques. Significant resources will be saved as a result. With plasma coating, new composite materials can be reliably bonded – even without solvent-based primers

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