Abstract
De Haas-van Alphen measurements have been made of the angular distribution of sub-grains produced in dislocated high-purity copper single crystals bent about a (111) axis. The results are compared with models in which misorientations are formed by dislocations produced in various (121) directions depending on the resolved shear stress due to bending. The method has been shown to be an accurate probe of the distribution of misorientations in bent crystals, and is capable of measuring the components of misorientations in any direction by suitable choice of the crystal zone in which the direction of the magnetic field is varied. However, some discrepancies exist between the predicted values of the misorientations and the experimental data which are thought to be due to the inherent unrepeatability of producing dislocations, and hence misorientations, by bending. Reasons for the unrepeatability are discussed.
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