Frontiers of Materials Science

, Volume 7, Issue 2, pp 156–169 | Cite as

Microstructural characterization of polycrystalline materials by synchrotron X-rays

  • Leyun Wang
  • Meimei Li
  • Jonathan Almer
  • Thomas Bieler
  • Rozaliya Barabash
Review Article


Third generation synchrotron X-rays provide an unprecedented opportunity for microstructural characterization of many engineering materials as well as natural materials. This article demonstrates the usage of three techniques for the study of structural materials: differential-aperture X-ray microscopy (DAXM), three-dimensional X-ray diffraction (3DXRD), and simultaneous wide angle/small angle X-ray scattering (WAXS/SAXS). DAXM is able to measure the 3D grain structure in polycrystalline materials with high spatial and angular resolution. In a deformed material, streaked diffraction peaks can be used to analyze local dislocation content in individual grains. Compared to DAXM, 3DXRD is able to map grains in bulk materials more quickly at the expense of spatial resolution. It is very useful for studying evolving microstructures when the materials are under deformation. WAXS/SAXS is suitable for studying materials with inhomogeneous structure, such as precipitate strengthened alloys. Structural information revealed by WAXS and SAXS can be combined for a deeper insight into material behavior. Future development and applications of these three techniques will also be discussed.


differential-aperture X-ray microscopy (DAXM) three-dimensional X-ray diffraction (3DXRD) wide angle/small angle X-ray scattering (WAXS/SAXS) 


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Copyright information

© Higher Education Press and Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Leyun Wang
    • 1
  • Meimei Li
    • 1
  • Jonathan Almer
    • 2
  • Thomas Bieler
    • 3
  • Rozaliya Barabash
    • 4
  1. 1.Nuclear Engineering DivisionArgonne National LaboratoryLemontUSA
  2. 2.X-ray Science DivisionArgonne National LaboratoryLemontUSA
  3. 3.Department of Chemical Engineering & Materials ScienceMichigan State UniversityEast LansingUSA
  4. 4.Materials Science & Technology DivisionOak Ridge National LaboratoryOak RidgeUSA

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