Microstructural characteristics of pure gold processed by equal-channel angular pressing

Gubicza, Jenő and Chinh, Nguyen Quang and Szommer, P. and Vinogradov, A. and Langdon, T. G. (2007) Microstructural characteristics of pure gold processed by equal-channel angular pressing. Scripta Materialia, 56 (11). pp. 947-950. ISSN 1359-6462

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Abstract

Experiments were conducted to evaluate the microstructural characteristics of pure (4N) gold processed by equal-channel angular pressing using routes A or B(c). Using atomic force microscopy and X-ray diffraction, it is shown that, although these two routes lead to similar dislocation densities of similar to 1.5-1.7 x 10(15) m(-2) and similar average grain sizes of similar to 460-490 nm, there are significant differences in the shearing patterns and in the densities of planar faults.

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