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Dislocation dynamics during plastic deformation by Ulrich Messerschmidt

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Published by Springer in Heidelberg, New York .
Written in English

Subjects:

  • Elektronenmikroskopie,
  • Plastische Deformation,
  • Deformations (Mechanics),
  • Kristalliner Festkörper,
  • Dislocations in crystals,
  • Versetzungsbewegung

Book details:

Edition Notes

Includes bibliographical references and index.

StatementUlrich Messerschmidt
SeriesSpringer series in materials science -- 129
Classifications
LC ClassificationsTA417.6 .M457 2010
The Physical Object
Paginationxiii, 503 p. :
Number of Pages503
ID Numbers
Open LibraryOL25402828M
ISBN 103642031765, 3642031773
ISBN 109783642031762, 9783642031779
LC Control Number2009938024
OCLC/WorldCa645693065

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Dislocation dynamics during plastic deformation | Ulrich Messerschmidt | download | B–OK. Download books for free. Find books. adshelp[at] The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86ACited by: Dislocation Dynamics During Plastic Deformation. By Ulrich Messerschmidt. Cite. The book gives an overview of the dynamic behavior of dislocations and its relation to plastic deformation. It introduces the general properties of dislocations and treats the dislocation dynamics in some detail. The two-dimensional dislocation dynamics approach has been recently used for analyzing plastic deformation in metals and alloys at elevated temperatures. pre-existing dislocations during.

Plastic deformation is an irre- versible, highly dissipative process that occurs far from equilibrium48,56; thermodynamic extremum principles are not applicable,57Thus dynamic evolution equa- tions for the dislocation structure and kinetic equations are required to model plastic owAlthough many evo- lution equations have been developed14,17 58{65for ma- terials in . Dislocation evolution during plastic deformation: Equations vs. discrete dislocation dynamics study Journal of Applied Physics , ( Messerschmidt, Dislocation Dynamics During Plastic Deformation (Springer-Verlag, Berlin, ). Google Scholar Crossref; J. Parametric dislocation dynamics: A thermodynamics-based approach to investigations of mesoscopic plastic deformation N. M. Ghoniem, S.-H. Tong, and L. Z. Sun Mechanical and Aerospace Engineering Department, University of California, Los Angeles, California ~Received 16 July ! We present experimental data of acoustic emission (AE) induced by dislocation motion during “pure” viscoplastic (ductile) deformation of singlecrystals and polycrystals of ice which provide opportunity to revisit collective dislocation dynamics as a critical phenomenon, as recently proposed for .

The method of dislocation dynamics (DD) intends for the modeling of dislocation-based plastic deformation in crystals. It is in the same spirit as atomistic MD simulations, but instead of integrating the equations of motion of particles, it considers evolution of dislocation lines. In the s the direct observation of dislocations became possible, stimulat­ ing the interest of many research workers in the dynamics of dislocations. This led to major contributions to the understanding of the plasticity of various crys­ talline materials.   Figure 1: Snapshot for a grain diameter of 70 nm at % plastic strain, revealing two well-known mechanisms for the formation of two distinct types of deformation . Dislocation dynamics during plastic deformation. [Ulrich Messerschmidt] -- The book gives an overview of the dynamic behavior of dislocations and its relation to plastic deformation. It introduces the general properties of dislocations and treats the dislocation dynamics in Your Web browser is not enabled for JavaScript.