On the Study of the Initiation of the Micro Crack on the Smooth Surface of Polycrystalline

YUE Zhu-feng

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YUE Zhu-feng. On the Study of the Initiation of the Micro Crack on the Smooth Surface of Polycrystalline[J]. Applied Mathematics and Mechanics, 2004, 25(8): 809-814.

Citation:

YUE Zhu-feng. On the Study of the Initiation of the Micro Crack on the Smooth Surface of Polycrystalline[J]. Applied Mathematics and Mechanics, 2004, 25(8): 809-814.

Citation:

YUE Zhu-feng. On the Study of the Initiation of the Micro Crack on the Smooth Surface of Polycrystalline[J]. Applied Mathematics and Mechanics, 2004, 25(8): 809-814.

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On the Study of the Initiation of the Micro Crack on the Smooth Surface of Polycrystalline

YUE Zhu-feng

Department of Engineering Mechanics, Northwestern Poytechnical University, Xi'an 710072, P. R. China

Received Date: 2002-01-23
Rev Recd Date: 2004-03-30
Publish Date: 2004-08-15

Abstract

Abstract

Crystallographic plasticity was applied to study the initiation of micro cracks on the smooth surface of polycrystalline under uniform applied stress. Even under the uniform external stress, due to the different crystallographic orientations of the grains in the polycrystalline, there is un-uniform stress distribution and the deformation is also not uniform. Under the fatigue loading, the roughness increases with the number of fatigue, and deformation will localize in some places, where micro cracks form.
- crystallographic plastics,
- micro fatigue crack,
- initiation,
- roughness,
- localization

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References(10)

References

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