Boron fibre

A large-diameter monofilament made by depositing boron around a fine structural core, historically used for exceptional compressive stiffness.

In simple terms

A large-diameter monofilament made by depositing boron around a fine structural core, historically used for exceptional compressive stiffness.

High compressive stiffness, local reinforcement and metal-matrix composites.

Very high cost, large filament diameter, limited drape and specialist availability.

Legacy aerospace reinforcement, selective repairs and aluminium-matrix composites.

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