Dislocation lines - PowerPoint PPT Presentation

530.352 Materials Selection

530.352 Materials Selection. Lecture #16: Dislocations Tuesday October 18 th , 2005. U. ~ 2  Th. E. F.  Th. r o. 1.25r o. r. Theoretical strength :. 2  Th = E  = E  L/L o 2  Th = E 0.25r o /r o = E/4  Th = E/8. Atomic description of plasticity:.

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IMPERFECTIONS IN SOLIDS

IMPERFECTIONS IN SOLIDS. CRYSTALLINE IMPERFECTIONS ZERO DIMENSIONAL or POINT DEFECTS Vacancy equals an empty lattice site. Interstitialcy equals an atom occupying a site between atoms in the crystal lattice.

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