نتایج جستجو برای: magnetostrictive device
تعداد نتایج: 679976 فیلتر نتایج به سال:
In this paper, we designed a new detecting system of bridge cables with a snake-shaped robot. It can solve the problems such as inefficiency and danger of aloft work in the bridge detecting by workers. The detecting system of the bridge cables includes: a snake-shaped robot; a multiple and monocular vision detection module; a nondestructive magnetic leakage detecting module; a magnetostrictive ...
Effects of the binder material on the mechanical properties of thick-film magnetostrictive materials
This paper presents research carried out at the University of Southampton into the development of a magnetostrictive thick-film material suitable for use with silicon micromachined devices. This form of magnetostrictive material has previously been deposited onto alumina substrates and this paper reports further work on migrating the technology onto silicon. The evaluation of two alternative gl...
This paper addresses the modeling of strains generated by magnetostrictive transducers in response to applied magnetic elds. The measured strains are dependent upon both the rotation of moments within the material in response to the eld and the elastic properties of the material. The magnetic behavior is characterized through the consideration of the Jiles-Atherton mean eld theory for ferromagn...
Studies have substantiated that the vibration and noise produced by iron core of an electromagnetic device are closely related to magnetostriction silicon steel sheet. Moreover, when induction motor works under condition frequency conversion, symmetry sheet will change, distribution field be asymmetric, which aggravate noise. This paper completes experimental measurement analysis characteristic...
⎯ This paper compares two thick-film actuation technologies and assesses their suitability for use within micromachined devices. The materials are a piezoelectric composition, which exhibits a d33 coefficient of the order of 130pC/N, and a magnetostrictive material which possess a magnetostriction of 4.4ppm at a magnetic field of 11.5kA/m. Examples of their application in micromachined devices ...
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