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EBSD
From Kikuchi patterns
to orientation maps.
Indexing, orientation, texture, boundaries and strain, and how to turn a map into a claim you can defend.
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New to EBSD? Read these first.
StoryThe Map of Everyone
A scrolling illustrated story about EBSD: one pixel's Kikuchi interview, four million interviews becoming an…
LabEBSD Terms ExplainedEvery EBSD term in one place, each with a small interactive: indexing, IQ, CI and MAD, phases, Euler angles and…
GuideFrom Kikuchi Bands to an OrientationEBSD & TKD, part 1 of 8: From Kikuchi bands to an orientation. Interactive.
All topics
Pattern formation & indexing7 pages
LabEBSD Terms ExplainedEvery EBSD term in one place, each with a small interactive: indexing, IQ, CI and MAD, phases, Euler angles…Foundation · 20 minGuideFrom Kikuchi Bands to an OrientationEBSD & TKD, part 1 of 8: From Kikuchi bands to an orientation. Interactive.Foundation · 12 minGuideWhy TKD Beats EBSD at the NanoscaleEBSD & TKD, part 6 of 8: Why TKD beats EBSD at the nanoscale. Interactive.Advanced · 12 minToolEBSD Pattern SimulatorSimulate electron backscatter diffraction patterns in the browser: a Monte Carlo of the primary beam in the…Advanced · 8 minLabIndexing Methods ComparedIndex one simulated EBSD map four ways (Hough, dictionary, dictionary plus refinement, spherical) and compare…Advanced · 15 minLabSEM Imaging BasicsRun electrons into C to Au at 1 to 30 kV and see the interaction volume, compare SE and BSE images of the…Foundation · 15 minLabEDS in the SEMWhere EDS X-rays come from in the SEM, the smallest amount EDS can find, which elements it can see at each…Foundation · 12 min
Orientation & texture3 pages
GuideReading an IPF MapAn IPF map colors each grain by the crystal direction along one sample axis. See how the colors are made,…Foundation · 10 minGuideEBSD Reference Frames and ConventionsThe four coordinate frames in an EBSD experiment and the five conventions that differ between packages: map…Advanced · 12 minGuideTexture: Pole Figures & ODFsEBSD & TKD, part 4 of 8. Texture: pole figures and ODFs, demystified. Interactive.Foundation · 12 min
Boundaries & grains2 pages
Strain & defects2 pages
Data quality & cleanup3 pages
GuideCleaning Data HonestlyEBSD & TKD, part 5 of 8: Cleaning data honestly. Interactive.Advanced · 10 minGuidePattern Quality as DataEBSD & TKD, part 7 of 8: Pattern quality as data. Interactive.Advanced · 10 minLabMisindexing & PseudosymmetryWhy EBSD gives confident wrong answers: pseudosymmetry, look-alike phases, too few bands, mixed patterns and…Advanced · 15 min
From other chapters5 pages
GuideGrain Orientations & Reciprocal SpaceInteractive TEM guide to grain orientations in reciprocal space: zone-axis tilts with Laue circle and Kikuchi…Advanced · 12 minGuideEBSD Sample PreparationEBSD reads the top few tens of nanometres, so a mirror-bright surface can still be useless. One depth axis…Foundation · 20 minToolWhich Grain Do I Lift Out?Site-specific FIB lift-out starts with the right grain. Pick it straight from an EBSD map: zone-axis TEM…Advanced · 8 minLabMagnification vs ResolutionWhy more magnification is not more detail: resolution of light, SEM and TEM, empty magnification, pixels per…Foundation · 12 minLabBeam ContaminationWhy a dark square appears where you scanned in the SEM or TEM: the beam fixes hydrocarbons into carbon. Track…Foundation · 12 min
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Other chapters: TEM · APT · Structure & Transformations · Contact Mechanics · Mechanical Behavior · In-situ Testing.