Abstract
The results of calculations of dislocation and grain boundary electrical resistivity are compared with experimental data for twenty-two metals from ten subgroups of the periodic table. The calculations assume resonance scattering of Fermi electrons by the dislocation core. Good overall agreement with experiment, encompassing a range from 10-19 to 10-14 Omega cm3 of dislocation specific resistivity, coupled with excellent agreement for the noble metals and aluminium (for which both the experimental data and the theoretical calculations are most reliable) provides strong evidence for the existence of such resonances. There is considerable scope for further experimental and theoretical effort in this field. Full details of the calculations summarized here will be published shortly.
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