Multiscale 2D Rectangular and 3D Rhombic Gratings Created by Self-Organization of Crystal Structure Defects under Constrained Cyclic Deformation and Fracture

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The substructure evolution was observed in the range of scales from dozens nanometers to millimeters on the surface of the aluminum single crystalline plates under restricted cyclic tension. The self-similar systems of crossing bands that create the grid-like ordered structures on different scales are assumed to be clear manifestation of their self-organization. The selforganization of these grid-like structures is assumed to be inevitably related to the crystal structure defects (dislocations, point-like defects and their ensembles). The model is proposed for explanation of 2-dimensional rectangular "tweed" and 3-dimensional rhombic "pullover" pattern formations which are related to cooperative arrangement of crystal structure defects.

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Periodical:

Materials Science Forum (Volumes 567-568)

Edited by:

Pavel Šandera

Pages:

421-424

Citation:

Y. Gordienko et al., "Multiscale 2D Rectangular and 3D Rhombic Gratings Created by Self-Organization of Crystal Structure Defects under Constrained Cyclic Deformation and Fracture", Materials Science Forum, Vols. 567-568, pp. 421-424, 2008

Online since:

December 2007

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$38.00

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