Publication detail

Multiscale Modelling of Nanoindentation Test in Copper Crystal

HORNÍKOVÁ, J. ŠANDERA, P. ČERNÝ, M. POKLUDA, J.

English title

Multiscale Modelling of Nanoindentation Test in Copper Crystal

Type

WoS Article

Language

en

Original abstract

The nanoindentation test in the dislocation free crystal of copper is simulated by a nonlinear elastic finite element analysis coupled with both ab initio calculations of the ideal shear strength and crystallographic considerations. The onset of microplasticity, associated with the pop-in effect identified in experimental nanoindentation tests (creation of first dislocations), is assumed to be related to the moment of achieving the value of the ideal shear strength for the copper crystal. Calculated values of the critical indentation depth lie within the range of experimentally observed pop-ins in the copper crystal. The related indentation load is somewhat lower than that observed in the experiment.

Keywords in English

Nanoindentation; Ab initio calculation; Ideal shear strength; Copper crystal; Finite element analysis

Released

2008-08-01

Publisher

PERGAMON-ELSEVIER SCIENCE

Location

USA

ISSN

0013-7944

Journal

Engineering fracture mechanics

Volume

75

Number

12

Pages from–to

3755–3762

Pages count

8

BIBTEX


@article{BUT98946,
  author="Jana {Horníková} and Pavel {Šandera} and Miroslav {Černý} and Jaroslav {Pokluda}",
  title="Multiscale Modelling of Nanoindentation Test in Copper Crystal",
  journal="Engineering fracture mechanics",
  year="2008",
  volume="75",
  number="12",
  pages="3755--3762",
  issn="0013-7944"
}