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Atomic-Scale Modelling of Dislocation Behaviour under Stress

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IUTAM Symposium on Multiscale Modeling and Characterization of Elastic-Inelastic Behavior of Engineering Materials

Part of the book series: Solid Mechanics and Its Applications ((SMIA,volume 114))

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Abstract

Computer simulation is used to investigate glide of an edge dislocation in cc-iron over large distances on the atomic scale and in the presence of obstacles in the form of either voids or coherent copper precipitates. Strength characteristics and dislocation configuration information are obtained, and atomic-scale mechanisms associated with strengthening due to these obstacles are identified. The role of a dislocation-induced phase transformation in the larger copper precipitates is revealed. The results are compared with those obtained from models based on continuum treatments.

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References

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Author information

Authors and Affiliations

  1. Department of Engineering, The University of Liverpool, Brownlow Hill, Liverpool, L69 3GH, UK

    D. J. Bacon & Yu. N. Osetsky

Authors
  1. D. J. Bacon
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  2. Yu. N. Osetsky
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Editor information

Editors and Affiliations

  1. University Louis Pasteur, Strassbourg, France

    S. Ahzi

  2. University of Metz, Metz, France

    M. Cherkaoui

  3. Hydrogen and Industrial Transportation Program, NorthWest Pacific National Laboratory, WA, USA

    M. A. Khaleel

  4. Washington State University, Pullman, WA, USA

    H. M. Zbib

  5. North Carolina State University, Raleigh, NC, USA

    M. A. Zikry

  6. Army Research Office, Raleigh, NC, USA

    B. Lamatina (Materials Research Program Director) (Materials Research Program Director)

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© 2004 Springer Science+Business Media New York

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Bacon, D.J., Osetsky, Y.N. (2004). Atomic-Scale Modelling of Dislocation Behaviour under Stress. In: Ahzi, S., Cherkaoui, M., Khaleel, M.A., Zbib, H.M., Zikry, M.A., Lamatina, B. (eds) IUTAM Symposium on Multiscale Modeling and Characterization of Elastic-Inelastic Behavior of Engineering Materials. Solid Mechanics and Its Applications, vol 114. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-0483-0_8

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  • DOI: https://doi.org/10.1007/978-94-017-0483-0_8

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-90-481-6529-2

  • Online ISBN: 978-94-017-0483-0

  • eBook Packages: Springer Book Archive

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