Author： Im K. H. K Koo Y. M.
Publisher： Taylor & Francis Ltd
ISSN： 0141-8610
Source： Philosophical Magazine. A. Physics of Condensed Matter. Defects and Mechanical Properties, Vol.81, Iss.2, 2001-02, pp. : 479-488
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Abstract
The broadening of X-ray peak profiles and movements of tensile axes were obtained simultaneously in single-slip-conditioned copper single crystals. Two types of sample showed different tensile axis movements and slip system activities. These results are in accord with the observation of slip lines with scanning electron microscopy. The broadening of the X-ray peak profiles is highly dependent on the absolute value of g b despite the same amount of deformation. The slope between shear stress and beta obtained from disorder broadening generally shows similar trends for samples A and B. As soon as the tensile axis leaves its original stereographic triangle, beta stops increasing in disorder sample B. This phenomenon indicates the change of activation of (111)\[101] and (111)\[011] slip systems.
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