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Complexions: A Revolutionary Taxonomy for Grain Boundaries

Published online by Cambridge University Press:  14 March 2018

Alwyn Eades
Alwyn Eades*
Affiliation:
Lehigh University, Bethlehem, PA
*
[email protected]

Extract

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Taxonomy: Classification, especially in relation to its general laws or principles. (OED)

The world has far too many things in it to treat them all individually. One way we make progress is through taxonomy. We group things so as to be able to discuss them usefully and understand them. The best-known taxonomy is that of living things: we group them as mammals, reptiles, grasses, trees. We group crystals based on their symmetry: cubic, hexagonal, orthorhombic.

Grain boundaries remain one of the main outstanding problems in materials science. We understand crystals rather well, but we do not have a good science of grain boundaries yet. It would help to have a taxonomy of grain boundaries.

Type
Research Article
Information
Microscopy Today , Volume 17 , Issue 3 , May 2009 , pp. 6 - 7
Copyright
Copyright © Microscopy Society of America 2009

References

References:

1. Saylor, David M., El Dasher, Bassem S., Rollett, Anthony D. and Rohrer, Gregory S. Distribution of grain boundaries in aluminum as a function of five macroscopic parameters, Acta Materialia 52 (2004) 3649–3655 Google Scholar
2. Dillon, Shen J., Tang, Ming, Craig Carter, W. and Harmer, Martin P., Complexion: A new concept for kinetic engineering in materials science, Acta Materialia 55 (2007) 6208–6218 Google Scholar