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Size‐dependent elastic interaction between a screw dislocation and a circular nano‐hole with surface stress
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| Zeitschriftentitel: | physica status solidi (b) |
|---|---|
| Personen und Körperschaften: | , |
| In: | physica status solidi (b), 243, 2006, 4 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Wiley
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| Schlagwörter: |
| author_facet |
Fang, Q. H. Liu, Y. W. Fang, Q. H. Liu, Y. W. |
|---|---|
| author |
Fang, Q. H. Liu, Y. W. |
| spellingShingle |
Fang, Q. H. Liu, Y. W. physica status solidi (b) Size‐dependent elastic interaction between a screw dislocation and a circular nano‐hole with surface stress Condensed Matter Physics Electronic, Optical and Magnetic Materials |
| author_sort |
fang, q. h. |
| spelling |
Fang, Q. H. Liu, Y. W. 0370-1972 1521-3951 Wiley Condensed Matter Physics Electronic, Optical and Magnetic Materials http://dx.doi.org/10.1002/pssb.200642022 <jats:title>Abstract</jats:title><jats:p>The effect of surface stress on the size‐dependent interaction of a screw dislocation with a circular nano‐hole under remote antiplane shear loads is examined. By using the complex variable method, the analytical expressions of the complex potential in infinite matrix and the image force acting on the screw dislocation are obtained. The associated solutions to the problem of a screw dislocation interacting with a nano‐inhomogeneity are also given. The results show that the influence of the surface stress on the motion of the dislocation near the hole becomes remarkable when the size of the hole is reduced to nanometer scale, leading to that the normalized image force depends on the hole size which differs from the size‐independent classical elastic solution. Our results are helpful in the understanding of the motion mechanism of the dislocation and relevant physical phenomena in nano‐structured materials. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)</jats:p> Size‐dependent elastic interaction between a screw dislocation and a circular nano‐hole with surface stress physica status solidi (b) |
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Size‐dependent elastic interaction between a screw dislocation and a circular nano‐hole with surface stress |
| title_unstemmed |
Size‐dependent elastic interaction between a screw dislocation and a circular nano‐hole with surface stress |
| title_full |
Size‐dependent elastic interaction between a screw dislocation and a circular nano‐hole with surface stress |
| title_fullStr |
Size‐dependent elastic interaction between a screw dislocation and a circular nano‐hole with surface stress |
| title_full_unstemmed |
Size‐dependent elastic interaction between a screw dislocation and a circular nano‐hole with surface stress |
| title_short |
Size‐dependent elastic interaction between a screw dislocation and a circular nano‐hole with surface stress |
| title_sort |
size‐dependent elastic interaction between a screw dislocation and a circular nano‐hole with surface stress |
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Condensed Matter Physics Electronic, Optical and Magnetic Materials |
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http://dx.doi.org/10.1002/pssb.200642022 |
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2006 |
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| description |
<jats:title>Abstract</jats:title><jats:p>The effect of surface stress on the size‐dependent interaction of a screw dislocation with a circular nano‐hole under remote antiplane shear loads is examined. By using the complex variable method, the analytical expressions of the complex potential in infinite matrix and the image force acting on the screw dislocation are obtained. The associated solutions to the problem of a screw dislocation interacting with a nano‐inhomogeneity are also given. The results show that the influence of the surface stress on the motion of the dislocation near the hole becomes remarkable when the size of the hole is reduced to nanometer scale, leading to that the normalized image force depends on the hole size which differs from the size‐independent classical elastic solution. Our results are helpful in the understanding of the motion mechanism of the dislocation and relevant physical phenomena in nano‐structured materials. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)</jats:p> |
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| author | Fang, Q. H., Liu, Y. W. |
| author_facet | Fang, Q. H., Liu, Y. W., Fang, Q. H., Liu, Y. W. |
| author_sort | fang, q. h. |
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| container_title | physica status solidi (b) |
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| description | <jats:title>Abstract</jats:title><jats:p>The effect of surface stress on the size‐dependent interaction of a screw dislocation with a circular nano‐hole under remote antiplane shear loads is examined. By using the complex variable method, the analytical expressions of the complex potential in infinite matrix and the image force acting on the screw dislocation are obtained. The associated solutions to the problem of a screw dislocation interacting with a nano‐inhomogeneity are also given. The results show that the influence of the surface stress on the motion of the dislocation near the hole becomes remarkable when the size of the hole is reduced to nanometer scale, leading to that the normalized image force depends on the hole size which differs from the size‐independent classical elastic solution. Our results are helpful in the understanding of the motion mechanism of the dislocation and relevant physical phenomena in nano‐structured materials. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)</jats:p> |
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| imprint | Wiley, 2006 |
| imprint_str_mv | Wiley, 2006 |
| institution | DE-D275, DE-Bn3, DE-Brt1, DE-D161, DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1, DE-L229 |
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| source_id | 49 |
| spelling | Fang, Q. H. Liu, Y. W. 0370-1972 1521-3951 Wiley Condensed Matter Physics Electronic, Optical and Magnetic Materials http://dx.doi.org/10.1002/pssb.200642022 <jats:title>Abstract</jats:title><jats:p>The effect of surface stress on the size‐dependent interaction of a screw dislocation with a circular nano‐hole under remote antiplane shear loads is examined. By using the complex variable method, the analytical expressions of the complex potential in infinite matrix and the image force acting on the screw dislocation are obtained. The associated solutions to the problem of a screw dislocation interacting with a nano‐inhomogeneity are also given. The results show that the influence of the surface stress on the motion of the dislocation near the hole becomes remarkable when the size of the hole is reduced to nanometer scale, leading to that the normalized image force depends on the hole size which differs from the size‐independent classical elastic solution. Our results are helpful in the understanding of the motion mechanism of the dislocation and relevant physical phenomena in nano‐structured materials. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)</jats:p> Size‐dependent elastic interaction between a screw dislocation and a circular nano‐hole with surface stress physica status solidi (b) |
| spellingShingle | Fang, Q. H., Liu, Y. W., physica status solidi (b), Size‐dependent elastic interaction between a screw dislocation and a circular nano‐hole with surface stress, Condensed Matter Physics, Electronic, Optical and Magnetic Materials |
| title | Size‐dependent elastic interaction between a screw dislocation and a circular nano‐hole with surface stress |
| title_full | Size‐dependent elastic interaction between a screw dislocation and a circular nano‐hole with surface stress |
| title_fullStr | Size‐dependent elastic interaction between a screw dislocation and a circular nano‐hole with surface stress |
| title_full_unstemmed | Size‐dependent elastic interaction between a screw dislocation and a circular nano‐hole with surface stress |
| title_short | Size‐dependent elastic interaction between a screw dislocation and a circular nano‐hole with surface stress |
| title_sort | size‐dependent elastic interaction between a screw dislocation and a circular nano‐hole with surface stress |
| title_unstemmed | Size‐dependent elastic interaction between a screw dislocation and a circular nano‐hole with surface stress |
| topic | Condensed Matter Physics, Electronic, Optical and Magnetic Materials |
| url | http://dx.doi.org/10.1002/pssb.200642022 |