<p>A method and apparatus for the spatial distribution of a filler component within the matrix of a composite material are disclosed. An electric field is applied to a mixture consisting of two or more components that have different dielectric permittivities, at least one of which is initially in the form of a liquid polymer or pre-polymer. An alternating electric field is established between a pair of electrical conductors or electrodes that are moved relative to each other, so as to alter the spatial intensity of the electric field in a controlled manner. Polarized particles or elements of the filler component that are coupled to a moving electrode by a dielectrophoretic force can consequently be dragged into a predetermined spatial configuration. As the size of the inter-electrode gap is changed, the applied voltage can be adjusted in order to maintain electrically induced polarization of the filler component.</p>
申请公布号
WO0176852(A1)
申请公布日期
2001.10.18
申请号
WO2001GB01596
申请日期
2001.04.10
申请人
THE SECRETARY OF STATE FOR DEFENCE;WHATMORE, ROGER, WILLIAM;WILSON, STEVE, AUSTIN