Dislocation nucleation and pileup under a wedge contact at nanoscale

Journal of Nanomaterials

Volumn 2008, Issue 1, 2008, Pages

  Gao, Y F ^a   Lou, J ^b  

^a University of Tennessee   (United States)

^b Rice University   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 43949113306     PISSN: 16874110     EISSN: 16874129     Source Type: Journal    
DOI: 10.1155/2008/380961     Document Type: Article

References (19)

1. Nix W. D., Gao H., Indentation size effects in crystalline materials: a law for strain gradient plasticity Journal of the Mechanics and Physics of Solids 1998 46 3 411 425
2. Swadener J. G., George E. P., Pharr G. M., The correlation of the indentation size effect measured with indenters of various shapes Journal of the Mechanics and Physics of Solids 2002 50 4 681 694
3. Lou J., Shrotriya P., Buchheit T., Yang D., Soboyejo W. O., Nanoindentation study of plasticity length scale effects in LIGA Ni microelectromechanical systems structures Journal of Materials Research 2003 18 3 719 728
4. Feng G., Nix W. D., Indentation size effect in MgO Scripta Materialia 2004 51 6 599 603
5. Zong Z., Lou J., Adewoye O. O., Elmustafa A. A., Hammad F., Soboyejo W. O., Indentation size effects in the nano- and micro-hardness of fcc single crystal metals Materials Science and Engineering A 2006 434 1-2 178 187
6. Lou J., Shrotriya P., Allameh S., Buchheit T., Soboyejo W. O., Strain gradient plasticity length scale parameters for LIGA Ni MEMs thin films Materials Science and Engineering A 2006 441 1-2 299 307
7. Nix W. D., Greer J. R., Feng G., Lilleodden E. T., Deformation at the nanometer and micrometer length scales: effects of strain gradients and dislocation starvation Thin Solid Films 2007 515 6 3152 3157
8. Bei H., George E. P., Hay J. L., Pharr G. M., Influence of indenter tip geometry on elastic deformation during nanoindentation Physical Review Letters 2005 95 4 1 4
9. Widjaja A., Needleman A., van der Giessen E., The effect of indenter shape on sub-micron indentation according to discrete dislocation plasticity Modelling and Simulation in Materials Science and Engineering 2007 15 1 S121 S131
10. Huang Y., Zhang F., Hwang K. C., Nix W. D., Pharr G. M., Feng G., A model of size effects in nano-indentation Journal of the Mechanics and Physics of Solids 2006 54 8 1668 1686
11. Johnson K. L., Contact Mechanics 1985 Cambridge, UK Cambridge University Press
12. Rice J. R., Thomson R., Ductile versus brittle behavior of crystals Philosophical Magazine 1973 29 1 73 97
13. Yu H. H., Shrotriya P., Gao Y. F., Kim K.-S., Micro-plasticity of surface steps under adhesive contact: part I-surface yielding controlled by single-dislocation nucleation Journal of the Mechanics and Physics of Solids 2007 55 3 489 516
14. Gao Y. F., Lucas B. N., Hay J. C., Oliver W. C., Pharr G. M., Nanoscale incipient asperity sliding and interface micro-slip assessed by the measurement of tangential contact stiffness Scripta Materialia 2006 55 7 653 656
15. Gao Y. F., Xu H. T., Oliver W. C., Pharr G. M., A comparison of Coulomb friction and friction stress models based on multidimensional nanocontact experiments. to appear in Journal of Applied Mechanics
16. Suo Z., Singularities interacting with interfaces and cracks International Journal of Solids and Structures 1989 25 10 1133 1142
17. Tada H., Paris P. C., Irwin G. R., The Stress Analysis of Cracks Handbook 2000 New York, NY, USA ASME Press
18. Gao Y. F., Xu H. T., Oliver W. C., Pharr G. M., Effective elastic modulus of film-on-substrate systems under normal and tangential contact Journal of the Mechanics and Physics of Solids 2008 56 2 402 416
19. Mirshams R. A., Parakala P., Nanoindentation of nanocrystalline Ni with geometrically different indenters Materials Science and Engineering A 2004 372 1-2 252 260