Abstract
THIS communication reports some observations pertaining to an experiment on the plastic behaviour of age-hardenable alloy single crystals. The experiment formed a part of a senior year laboratory course and was intended to illustrate the strengthening effects due to well-known1 precipitates in aluminium base copper alloys and also the fact that predictable lattice rotations are obtained for a given amount of tensile deformation in cases where only one slip system prevails2. To this end it was planned that a number of crystals would be grown, their orientations determined, various heat treatments performed and elongations predetermined so as to give limited amounts of crystal rotation on the < 110 > {111}-system which could be checked by a second orientation determination after tensile deformation.
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References
Silcock, J. M., Heal, T. J., and Hardy, H. K., J. Inst. Met., 82, 239 (1953).
Byrne, J. G., Fine, M. E., and Kelly, A., Phil. Mag., 6, 1119 (1961).
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Price, R. J., and Kelly, A., Acta Met., 10, 980 (1962).
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BYRNE, J. X-ray Asterism and Work-hardening in Crystals. Nature 200, 254–255 (1963). https://doi.org/10.1038/200254b0
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DOI: https://doi.org/10.1038/200254b0
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