Tension Coefficient of Resistance of Metals
- 1 August 1930
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 36 (3), 506-512
- https://doi.org/10.1103/physrev.36.506
Abstract
A new method for measuring the change in resistance of a metal under tension has been developed and applied to fifteen metals. A direct current is sent through the wire under test while longitudinal vibrations set up in the wire cause the resistance and consequently the potential drop in the wire to fluctuate. These changes are amplified and measured. In this way it has been found that for bismuth, aluminium, manganin, and constantan the resistance decreases with tension while for all the other metals investigated the resistance increases with tension.Keywords
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