microstrain

English

noun
Definitions
  • (physics) A strain expressed in terms of parts per million
  • (materials science) The root mean square of the variations in the lattice parameters across the individual crystallites, usually across microscopic distances, . By definition, it cannot be negative. In contrast, macrostrain refers to the overall change in the lattice parameters caused by a composition change or temperature change or pressure change.

Etymology

Prefix from English strain.

Origin

English

strain

Gloss

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