Lect17_notes

Oim microscopy provides a means of accessing a

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Unformatted text preview: copy has the capability to tell us all we wish to know about structure-property relationships. OIM microscopy provides a means of accessing a previously un-accessible set of information that provides new insights into structure-property relationships. What is texture? And why is it important? Crystallographic texture, or preferred orientation, has long been known to strongly influence material properties. Many advanced material systems perform as desired specifically because the grain orientation (texture) of the material has been tailored in a specific manner. A number of examples follow to illustrate the importance of texture, crystallographic orientation and how determining the local crystallographic structure may aid in the design and processing of materials with improved properties. CBEMS 164 – XRD, SEM & Microanalysis: Lecture 17 ! 9 Electron Microscopy: Special Topics! Secondary Electron Imaging (primarily topographical information) Backscattered Electron Imaging (primarily chemical information) X-Ray Spectral Measurement (EDS/WDS) Electron Back-Scatter Diffraction (EBSD) Orientation Imaging Microscopy (OIM) Cathodolumines...
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