The 6-step guide

How to use GrainMapper3D, Step-1

1) Sample mounting

Mount sample material in a Zeiss Xradia CrystalCT or a ZEISS Xradia 520/620 Versa X-ray Microscope equipped with a LabDCT Pro™ module.
Align the sample and choose aperture and beam stop to match the region of interest.

How to use GrainMapper3D, Step-2

2) Data collection

Acquire two data sets:

  1. Absorption contrast for sample outline, voids and precipitates
  2. Diffraction contrast for grain map reconstruction
How to use GrainMapper3D, Step-3

3) Processing

Load the acquired data into Xnovo’s GrainMapper3D software and enter basic information about the material. Follow the step-by-step guide in the Graphical User Interface to

  1. Select region of interest
  2. Separate signals from background
  3. Choose optimal reconstruction parameters
  4. Launch the 3D reconstruction
How to use GrainMapper3D, Step-4

4) Reconstruction

As the reconstruction algorithm finds an indexing solution, a grain is added to the preview. The reconstruction process is converged once a space-filling 3D map is obtained.


How to use GrainMapper3D, Step-5

5) Results

Visualize the grain structure of the material in 3D. Colour coding can be chosen according to e.g. orientation, grain size, or completeness.

Step-6 how Grainmappr works

6) 4D evolution studies

Expose the sample to external stimuli such as heat or mechanical loading and repeat above steps to study the evolution of the microstructure.

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