Open AccessOn the magnetic changes of length in annealed rods of cobalt and nickel.
Author(s) -
Shelford Bidwell
Publication year - 1905
Publication title -
proceedings of the royal society of london
Language(s) - English
Resource type - Journals
eISSN - 2053-9126
pISSN - 0370-1662
DOI - 10.1098/rspl.1904.0081
Subject(s) - cobalt , nickel , rod , magnetization , materials science , condensed matter physics , metal , magnetic field , metallurgy , physics , medicine , quantum mechanics , alternative medicine , pathology
The dimensions of a piece of magnetic metal are, in general, changed by magnetisation. When subjected to a longitudinal field gradually increasing from a small value, an ordinary iron wire is at first extended, then, after passing a maximum, it recovers its original length, and finally becomes shorter than when unmagnetised.