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Electrical Resistivity Change of Silver and Gold Due to Large Plastic Strains

✍ Scribed by I. Kovács; E. Nagy

Publisher
John Wiley and Sons
Year
1963
Tongue
English
Weight
415 KB
Volume
3
Category
Article
ISSN
0370-1972

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✦ Synopsis

Abstract

The change in the electrical resistivity of polycrystalline silver and gold wires of 99.99% purity is measured when these wires are subjected to various simultaneous torsion and extension derformations at liquid nitrogen temperature. It is found that the increase in resistivity depends only on the total strain, irrespective of the individual amounts of torsion and extension. The resistivity increase as a function of strain, is given by Δϱ = A ϵ^2^ + B ϵ. The numerical values lead to estimates of the point defect, or dislocation concentration resulting from the deformation.

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