Abstract
Glide on the basal (0001) and prismatic (1010̄) planes of zinc monocrystals has been investigated at 250° to 400°C. Prismatic glide obeys Schmid’s law and an equation of state relating the glide strain rate and the shear stress, γ = 700 τ8 e−38,000/RT. Impurities raise the stress exponent and the activation energy; the stress for prismatic glide at a given rate is much higher than for basal glide; and multiple prismatic glide causes no appreciable strain hardening. The creep of polycrystalline zinc is controlled by prismatic glide at high temperatures. The discussion considers the anisotropy of zinc crystals and its effect on dislocation motion.
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TP 4270E. Manuscript, Sept. 15, 1955. Cleveland Meeting, October 1956.
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Gilman, J.J. Plastic Anisotropy of Zinc Monocrystals. JOM 8, 1326–1336 (1956). https://doi.org/10.1007/BF03377877
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DOI: https://doi.org/10.1007/BF03377877