929 磁場内における近接する 2 枚の軟磁性平板の曲げ試験と磁気弾性解析

概要

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An experimental and theoretical investigation in magnetic bending behavior of two nearby soft ferromagnetic beam plates was conducted. Bending tests were performed in the bore of a superconducting magnet at room temperature. Ferritic stainless steel SUS430 is here used as the cantilever specimen. The experiments show the predicted increase in the strain with increasing magnetic field. The interaction between the two plates considerably increases the strain. The theoretical analysis is based on a classical plate bending theory for magneto-elastic interactions in a soft ferromagnetic material. Numerical calculations are carried out, and the strain is obtained for several values of magnetic field and geometrical parameter. A comparison of the strain is made between theory and experiment, and the agreement is good for the magnetic field considered.
社団法人日本機械学会の論文
2000-10-05