Questions tagged [grain-boundaries]

For questions about modeling of interfaces between crystalline structures.

Filter by
Sorted by
Tagged with
7 votes
0 answers

How to convert lab frame quaternions and plane normal to misorientation quaternion and crystal plane normal for grain boundaries?

Background Let qA and qB represent unit, orientation quaternions of grain A and grain B of a grain boundary in the lab reference ...
Sterling's user avatar
  • 181
12 votes
1 answer

What does capital sigma followed by an integer (Σn) mean in the context of grain boundaries?

I've just run across a nomenclature for coincidence lattices at grain boundaries which uses a capital greek letter sigma followed by an integer. For example A.D. Rollett's 2016 Grain Boundary ...
uhoh's user avatar
  • 1,894
21 votes
3 answers

What tools are used for the preparation of grain boundary models?

What methods and tools are used for building models of grain boundaries? I mean initial models that are then optimized using molecular dynamics potentials or a different methods. When I was involved ...
marcin's user avatar
  • 1,780
16 votes
1 answer

What kind of information can be extracted from alloy microstructure images converted to Fourier space?

I have some alloy microstructure images, showing elongated grains (darker colours) and the grain boundaries (lighter colours). If I take the Fourier transform of the image, there are directional bands ...
nathanielng's user avatar