Magnetostriction of martensite

R. D. James, Manfred Wuttig

Research output: Contribution to journalArticlepeer-review

719 Scopus citations


A general strategy is described for inducing magnetostriction in ferromagnetic martensitic materials. An analysis of domain redistribution caused by a magnetic field is given, and certain relations between material constants that promote this effect are described. These relations suggest a ‘constrained theory of magnetostriction’ which is used to predict strain against field in a tetragonal martensite subject to an orthogonal biaxial magnetic field and uniaxial stress. These predictions are compared with the corresponding experiments in Fe70Pd30. Reversible field-induced strains of 0.6% are exhibited in this system. Microstructural observations confirm that these strains are caused by a field-induced redistribution of martensitic twins.

Original languageEnglish (US)
Pages (from-to)1273-1299
Number of pages27
JournalPhilosophical Magazine A: Physics of Condensed Matter, Structure, Defects and Mechanical Properties
Issue number5
StatePublished - May 1998

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