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Radial Diffraction

Processing radial diffraction data with Maud

Ok, I'll assume that you have done your radial diffraction experiment, in angular dispersive geometry. You also have your calibration and data files ready for processing.

Outline of the tutorial

• Preprocessing of data with Fit2d
  • Why?
  • Calibration with Fit2d
    • First steps
    • Calibration
    • Calibration check...
  • Conversion of data with Fit2d
    • Maud input files
    • Binning of diffraction data with Fit2d: manual
    • Binning of diffraction data with Fit2d: automatic
    • Converting chi file series for use in Maud
• Maud Calibration
  • Starting Maud
    • Loading the data
    • Setting up instruments parameters
    • Restriction of the data interval
    • Phases
    • Save the file
  • First Step: Manual Adjustment
    • Incident intensity and first background parameter
  • Global refinement
    • Incident intensity, detector distance, and main backgrounds
    • Incident intensity and peak profiles
    • Individual backgrounds
    • Detector re-calibration
    • Material properties
    • Putting it all together
    • The perfect Calibration
  • Check Orientations
    • Importance of orientations in the refinement
    • Setting orientations in MAUD
  • Intensity calibration
    • Polynomial angle intensity
    • Refining parameters for the "Polynomial angle intensity" model
• Data processing
  • Setting up Maud
    • Setting up Maud
    • Loading the data
    • Setting up a material
  • Unit cell and backgrounds
    • Manual adjustment
    • Refinement cycles...
    • Do you have stress?
    • Do you have texture?
  • Stress
    • Residual stress (lattice strain) analysis
    • Applying residual stress
    • Refinement
  • Lattice preferred orientations
    • Displaying LPO
    • Preferred orientation models
    • E-WIMW: no symmetry
    • E-WIMW: symmetry
• Advanced topics
  • Define the compression direction
    • Data coverage in axial and radial diffraction experiment
    • Finding out orientation coverage in Maud
    • Locating the compression direction
    • Fixing things out
  • Pole figures and data coverage
    • Using pole figures to represent directions in space
    • Data Coverage In Axial Diffraction Experiments
    • Data Coverage In Radial Diffraction Experiments