Adhesive Bonding Maximizes the Performance of Carbon Fibre Composites

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Although popular as a material for automotive and aerospace assembly because of their lighter weight, resistance to corrosion, and higher impact strength, carbon-fiber composites have not been without their problems when it comes to maximizing performance. One of the biggest issues has been how to bond them to other materials like ceramics, metals, or glass.

In response adhesive bonding has become the most commonly-chosen assembly solution in industries using composite components. Several factors contribute to its ability to maximize the composites’ performance. These include flexibility in design, as well as the ability to spread stress across the bond line, and increased functionality in joints that need to absorb energy.

According to 3M, adhesive bonding, and particularly structural adhesives, also eliminate additional production steps required by mechanical fastening, reduce the threat of premature failure caused by stress concentration points, and lessen the chance of drilling weakening the composite materials by breaking the continuity of the matrix and reinforcing fibers.

Adhesive bonding has become particularly popular in the automotive parts industry and other multi-material assemblies making use of carbon-fiber composites.



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