Exel Composites carbon fibre profiles deliver precision, performance and longevity at CERN

Exel pultruded profiles are used at CERN's Large Hadron Collider (LHC) particle accelerator in Geneva. The Exel Composites components are part of the 688 high precision structures supporting the silicon tracker modules
As a key part of the particle tracker support structures for the LHC's Compact Muon Solenoid (CMS) detector, Exel's profiles had to satisfy strict dimensional tolerances and sustain the highest level of performance in this extremely challenging environment, where any downtime or failure would impact major scientific experiments.
The Exel Composites components are part of the 688 high precision structures supporting the silicon tracker modules. These are made up of two 1,2 m long Exel carbon fibre epoxy composite U-profiles of 0.7 mm wall thickness and L-shaped cross-bars to form a frame structure on which the modules sit. In addition to delivering the lightweight and radiation transparency required for this application, it was critical that the Exel profiles met extremely strict tolerances in terms of dimensions and straightness and maintained all mechanical properties at the low temperatures encountered in the CMS.

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