Application of a 3d-continuum theory of dislocations to a problem of constrained plastic flow: Microbending of a thin film

Stefan Sandfeld*, Thomas Hochrainer, Michael Zaiser

*Korrespondierende/r Autor/in für diese Arbeit

Publikation: Beitrag in Buch/Bericht/KonferenzbandBeitrag in einem Konferenzband

Abstract

The advancing miniaturisation of e.g. microelectronic devices leads to an increasing interest in physically motivated continuum theories of plasticity in small volumes. Such theories need to be based on the averaged dynamics of dislocations. Preserving the line-like character of these defects, however, posed serious problems for the development of dislocation-based continuum theories, while continuum theories based on scalar dislocation densities necessarily stay on a phenomenological level. Within this work we apply a dislocation-based continuum theory, which is based on a physically meaningful averaging of dislocation lines, to the benchmark problem of bending of a free-standing thin film.

Originalspracheenglisch
TitelMechanical Behavior at Small Scales - Experiments and Modeling
Redakteure/-innenJun Lou
Herausgeber (Verlag)Materials Research Society
Seiten143-148
Seitenumfang6
Band1224
ISBN (Print)978-1-60511-197-1
PublikationsstatusVeröffentlicht - 2010
Veranstaltung2009 MRS Fall Meeting - Boston, MA, USA / Vereinigte Staaten
Dauer: 29 Nov 20093 Dez 2009

Konferenz

Konferenz2009 MRS Fall Meeting
LandUSA / Vereinigte Staaten
OrtBoston, MA
Zeitraum29/11/093/12/09

ASJC Scopus subject areas

  • !!Materials Science(all)
  • !!Condensed Matter Physics
  • !!Mechanical Engineering
  • !!Mechanics of Materials

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  • Dieses zitieren

    Sandfeld, S., Hochrainer, T., & Zaiser, M. (2010). Application of a 3d-continuum theory of dislocations to a problem of constrained plastic flow: Microbending of a thin film. in J. Lou (Hrsg.), Mechanical Behavior at Small Scales - Experiments and Modeling (Band 1224, S. 143-148). Materials Research Society.