BASICS OF EBSD AND TEXTURE ESTIMATION FROM INDIVIDUAL MEASUREMENTS (1 day)
Prof. Dave Field, field@mme.wsu.edu
and
Dr. Stuart Wright, Stuart.Wright@ametek.com
EDAX-TSL
392 East 12300 South, Suite H
Draper, UT 84020 USA
This course is intended for those with a cursory knowledge of texture analysis and measurement techniques. The primary goal is to familiarize attendees with EBSD techniques and to develop an appreciation for the types of analysis that can be performed from such data. Covered topics include; the physics of EBSD pattern formation, calculation of orientations and phase determination, texture estimation from individual measurements, misorientation and grain boundary distributions.
Outline
1. EBSD Data Acquistion
1.1. Diffraction
1.2. Indexing
1.3. Calibration
2. Sample Preparation
2.1. Mechanical Polishing
2.2. Electropolishing
2.3. Non-conductive samples
2.4. Ion Milling/Etching
3. Texture Calculations using EBSD Data
3.1. Orientation Descriptions
3.2. Introduction to Texture using Individual Orientation Data
3.3. Characteristic Textures: Fiber Textures to Texture Fibers
3.4. Volume Fractions
3.5. EBSD vs XRD Texture
4. Grain Boundary Textures
4.1. Misorientation Descriptions
4.2. Distribution Functions
4.3. Correlated vs. Uncorrelated
5. Data Cleanup
5.1. Filtering
5.2. Postprocessing Strategies (experimental orientation microscopy, analysis of orientation maps)
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