The magnetoactive electret

doi:10.1088/1361-665X/aa738f

2017-06-14

PRE

DOI：10.1088/1361-665X/aa738f

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摘要

En 中文

A magnet which adheres to every surface, not only those of ferromagnetic materials, has hitherto been the domain of science fiction. Now for the first time such a novel device exists. The fusion of a permanently magnetized magnetoactive polymer containing hard magnetic particles and an electret enhanced with ferroelectric particles has resulted in the development of a new smart device-the magnetoactive electret. Magnetoactive electrets can be made to exhibit the usual magnetic properties of permanent magnetism together with the electrostatic properties of electrets. This results in simultaneous magnetoadhesion and electroadhesion forces from the same elastomeric element. The biasing field, needed to avoid discontinuities concerned with transition through the zero point in operating curves, is normally provided by means of either a magnetic or an electric field. This novel technology provides both bias options in a single device.

Keyword:

magnetoactive polymer

electret

magnetoactive electret

6D printing

electroadhesion

magnetoadhesion

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期刊

Smart Materials and Structures

IF:

3.8

论文数:

8.5K

被引数:

2.5W

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