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DISPIRATION [1 record]

Record 1 1979-07-13

English

Subject field(s)
  • Mineralogy
  • Scientific Measurements and Analyses
CONT

Screw symmetry can be interpreted as a combination of translation and rotation operations, and it might seem that the corresponding defect if merely a combination of a dislocation and a disclination. Actually it is a distinct kind of structural defect, which has been given the name dispiration.

French

Domaine(s)
  • Minéralogie
  • Mesures et analyse (Sciences)
CONT

On peut interpréter [la symétrie hélicoïdale] comme la combinaison d'une translation et d'une rotation autour d'un axe parallèle à cette translation; on pourrait en déduire que le défaut résultant est la combinaison d'une dislocation et d'une désinclinaison. En fait, il s'agit d'un défaut structural d'un tout autre type, appelé une déspiralisation.

Spanish

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