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Technical data


Beam hardening and metal artefacts

Article no: P2550805

Principle

X-ray sources produce a polychromatic spectrum which is altered when interacting with the sample. Due to this alteration, cupping effects in the reconstructed data of a CT scan. In extreme cases, such as when metal objects are present in the sample, more severe artefacts occur at the location of the metallic components. Also when the X-ray photon do not succeed to get through the metal (photon starvation), incorrect representation of the sample occurs in the reconstructed data.

Tasks

  1. Evaluate beam hardening and improve the results
  2. Evaluate metal artefacts

Learning objectives

  • Beam hardening
  • Cupping effect
  • Beam hardening correction
  • Metal artefacts
  • Photon starvation

Scope of delivery

XR 4.0 expert unit, 35 kV 09057-99 1
XR4 X-ray Plug-in Cu tube 09057-51 1
XR 4.0 X-ray Computed Tomography upgrade set 09185-88 1

PHYWE Systeme GmbH & Co. KG
Robert-Bosch-Breite 10 – 37079 Göttingen – Germany
www.phywe.com