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In crystalline materials the atoms are arranged to repeat regularly in space.

  • Polycrystalline materials consist of an aggregate of single crystal grains. Many important engineering materials and minerals are polycrystalline.
  • Microstructure refers to the assemblage of grains and other constituents such as pores and precipitates.
  • Electron backscatter diffraction is a technique for the scanning electron microscope which allows crystal orientations to be measured.
  • Maps of crystal orientation can be collected using EBSD. They remove any ambiguity regarding the recognition of grains and grain boundaries in the sample.
  • The grains in polycrystalline material are usually not randomly oriented, and crystallographic texturing can confer special properties on materials.
  • EBSD is as an important technique for texture analysis because it allows the relation between texture and microstructure to be studied.
  • Grain boundaries are the interfaces between grains. Boundaries formed between grains with particular orientation relationships to one another can have desirable properties.
  • EBSD can characterize these boundaries and measure the distribution of various boundary types in a sample.
  • EBSD is a technique for microstructural analysis.
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