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Microfocus X-ray Computed Tomography (CT) Facility

The Wits Microfocus X-ray Computed Tomography (CT) facility permits non-destructive investigation of objects for the purposes of imaging internal structures, reconstructing or extracting objects embedded in other substances (e.g.,  fossils embedded in matrix), and performing analyses of 3D geometries of objects.

The Microfocus X-ray Computed Tomography (CT) facility of the Palaeosciences Centre at Wits University was made possible by substantial funding provided by the National Research Foundation (NRF) and Department of Science and Technology (DST) of South Africa through the Strategic Research Infrastructure Grant (SRIG) program. Wits also provided substantial funding for creation of the facility through the Wits Research Office.

The facility integrates:

  • A Nikon Metrology XTH 225/320 LC dual source industrial CT system
    • A range of kV up to 320 is possible, which helps for penetrating dense material
    • A state-of-the art detector (16 bit, 200 micron pitch) minimizes imaging noise
    • Samples up to approximately 50kg can be scanned
    • Voxel resolution down to 5-10 microns, depending on object size and geometry
  • Virtual Imaging in Palaeontology (VIP) lab
    • Two servers and three workstations on the network
    • High end graphics cards for handling large datasets
    • Graphics tablets for facilitating segmentation
    • Multiple licenses for cutting-edge image analysis programs (i.e., Avizo 7.0, VGStudio MAX 2.1)
    • Two different models of surface scanners (i.e., one hand-held and one tripod-mounted)
  • ZPrinter 450 3D printer
    • Color printing
    • Fully automated and powder-based
    • 100 micron print resolution

 

 


 

              

 

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