Texture, Stress, and Microstructure

Texture, Stress, and Microstructure / 1993 / Article
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Proceedings of the Symposium Microscale Textures of Materials

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Volume 20 |Article ID 957062 | https://doi.org/10.1155/TSM.20.87

K. Sztwiertnia, F. Haessner, "Orientation Characteristics of the Microstructure of Highly Rolled Pure Copper and Phosphorus-Copper", Texture, Stress, and Microstructure, vol. 20, Article ID 957062, 23 pages, 1993. https://doi.org/10.1155/TSM.20.87

Orientation Characteristics of the Microstructure of Highly Rolled Pure Copper and Phosphorus-Copper

Abstract

Orientational aspects of the mutual arrangement of crystallites in a microstructure can be described by certain distribution functions of orientation or orientation differences. Among these functions the "principle" distributions are completely determined by the texture, whereas the "partial" distributions can be used to describe correlations between orientations. The most interesting partial distribution, the misorientation distribution function (MODF), concerns nearest neighbourhood relations. The basic source of information about all of these descriptions is the spatial arrangement of orientations in the sample. In the present case the local orientation arrangement in 95% rolled pure copper and phosphorus copper was determined in the TEM using Kikuchi-patterns.The analysis of the data show that:(i) the orientational details vary in a smaller lateral scale in phosphorus copper than in pure copper.(ii) the spatial arrangement of orientations in the sample is by no means random: spatial orientation "clustering" or "ordering" may occur.(iii) the MODF, which shows the distribution of orientation differences between neighboured areas in the microstructure, clearly reveals in both materials a strong preference for ~60°(111) and ~50°(110) relations. These and practically all other orientation differences found in the materials correspond to the Coincidence Site-Lattice (CSL) orientation relationships.

Copyright © 1993 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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