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Related Experiment Videos

Phase discrimination by automated BKD.

Robert Schwarzer1

  • 1Institut für Physik und Physikalische Technologien, TU Clausthal, Leibnizstr 4, 38678 Clausthal-Zellerfeld, Germany. schwarzer@tu-clausthal.de

Analytical and Bioanalytical Chemistry
|October 25, 2002
PubMed
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Automated backscatter Kikuchi diffraction in scanning electron microscopy rapidly distinguishes material phases and maps their distribution. This technique facilitates detailed microstructural analysis, including phase content and crystal orientation.

Area of Science:

  • Materials Science
  • Crystallography
  • Microscopy

Background:

  • Automated Backscatter Kikuchi Diffraction (aBKD) is a powerful technique for microstructural characterization.
  • Accurate phase identification and distribution mapping are crucial for understanding material properties.

Purpose of the Study:

  • To demonstrate the capability of automated backscatter Kikuchi diffraction (aBKD) in the scanning electron microscope (SEM) for rapid phase discrimination and mapping.
  • To highlight the utility of aBKD-generated data for advanced quantitative microstructural analysis.

Main Methods:

  • Utilizing automated backscatter Kikuchi diffraction (aBKD) within a scanning electron microscope (SEM).
  • Acquiring phase-distribution maps at sub-micron resolution.
  • Analyzing differences in Laue groups and lattice constants for phase discrimination.

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Main Results:

  • Rapid discrimination of phases based on crystallographic properties.
  • Automated acquisition of high-resolution phase-distribution maps.
  • Generation of a comprehensive database for quantitative phase analysis, crystal orientation mapping, and texture analysis.
  • Pattern-quality maps enabling clear meso-scale microstructural reproduction.

Conclusions:

  • Automated BKD in SEM offers efficient and detailed microstructural characterization.
  • The technique provides a robust platform for quantitative phase analysis and crystallographic texture determination.
  • aBKD significantly enhances the study of material microstructures and phase relationships.