CERN
Material testing of particle accelerator components
The European Organization for Nuclear Research CERN (Conseil Européen pour la Recherche Nucléaire) is one of the largest and most renowned centers for basic research in physics. All components that work in the harsh environment of particle acceleration must undergo thorough mechanical testing. These tests in the CERN testing laboratory are carried out using testing machines from ZwickRoell, among others.
The acceleration of high-energy particle beams to almost the speed of light and their collision are accompanied by technical challenges resulting from the harsh conditions inside the particle accelerator. The components used in the Large Hadron Collider (LHC) are exposed to cryogenic temperatures as well as high ionizing radiation, strong magnetic fields and ultra-high vacuum.
As the LHC is currently being upgraded for even higher beam energies, precise investigations are required, for example, on collimators made of new materials such as molybdenum graphite and copper diamond composites.
CERN has a mechanical testing laboratory in which ZwickRoell testing machines are used. The aim is to use mechanical measurements to validate finite element analyses (FEA) and carry out safety inspections. The ZwickRoell universal testing machine AllroundLine Z100 TEW is used to perform mechanical tests on materials under quasi-static conditions.
These include tensile, compression and flexure tests at room and high temperatures of up to 1,200 °C on ceramics, composite materials, polymers and metal alloys. The laserXtens 2-120 HP/TZ high-temperature extensometer, which is designed for non-contact measurement of deformations at temperatures of up to 2,000 °C, is used for strain, compression and flexure measurements.
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