Abstract
Joel and Wooster1 have discussed cases in which ‘volume couples’ can arise in certain classes of crystals due to strains, and have mentioned that in such cases the stress tensor is not symmetrical (σyz ≠ σzy). Actually, it is possible for asymmetry of the stress tensor to arise in any class of crystals, due to distributed couples which are acting across an interface rather than being distributed throughout a volume. These distributed interface couples have the same relation to the distributed volume couples that stresses have to distributed body forces.
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References
Joel, N., and Wooster, W. A., Nature, 180, 430 (1957).
Bilby, B. A., Bullough, R., and Smith, E., Proc. Roy. Soc., A, 231, 263 (1955).
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McCLINTOCK, F., ANDRÉ, P., SCHWERDT, K. et al. Interface Couples in Crystals. Nature 182, 652–653 (1958). https://doi.org/10.1038/182652a0
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DOI: https://doi.org/10.1038/182652a0
