Paper Title:
Distribution of Dislocation Density in Tubes from Zr-Based Alloys by X-Ray Data
  Abstract

As applied to tubes from Zr-based alloys, the X-ray method was developed to determine the dislocation density distribution in a-Zr depending on the orientation of Burgers vector. The method consists in registration of X-ray line profiles by each successive position of the sample in the course of diffractometric texture measurement using reflections of two orders, the following determination of coherent domain size and lattice distortion by means of the Warren-Averbach method for each orientation of reflecting planes, separate calculation of the density of c- and a-dislocations with all possible orientations of Burgers vector and presentation of results in generalized pole figures. Obtained data testify that the dislocation density varies within very wide intervals of several orders of magnitude depending on the grain orientation both in as-rolled and annealed tubes. Features of the constructed dislocation distributions are closely related to the crystallographic texture of studied tubes.

  Info
Periodical
Solid State Phenomena (Volume 105)
Edited by
C. Esling, M. Humbert, R.A. Schwarzer and F. Wagner
Pages
89-94
DOI
10.4028/www.scientific.net/SSP.105.89
Citation
M. Isaenkova, Y. Perlovich, "Distribution of Dislocation Density in Tubes from Zr-Based Alloys by X-Ray Data ", Solid State Phenomena, Vol. 105, pp. 89-94, 2005
Online since
July 2005
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$32.00
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