A More Exact Model for Predicting the Deflection of a Clamped Magnetostrictive Film-Substrate System

Ming Li

doi:10.4028/www.scientific.net/AMR.197-198.552

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 197-198A More Exact Model for Predicting the Deflection...

A More Exact Model for Predicting the Deflection of a Clamped Magnetostrictive Film-Substrate System

Abstract:

A more exact general analytical formula of preditcting the magnetostrictive coefficient is derived for any aspect ratio based the deflection difference between the x and y directions. The curvatures are found by minimizing the total energy of the system, which taking into account shear strain energy. The in-plane stress distribution including shear stress for short specimen is also given by the ANSYS® ﬁnite element package to illustrate the role of shear strain in the deformation of magnetostrictive film-substrate system.