| 摘要 |
A composite material (5) including a first and a second component (11, 12), which are integrally joined, is described. The first component (11) behaves like a piezoelectric material and the second component (12) behaves like a magnetoelastic material. The composite material is in particular well-suited for use in a sensing element or in an actuating element, for example, a rotational speed sensor, current sensor, torque sensor, force sensor or a passive sensing element. Also described are methods of manufacturing the composite material. A first method is based on a powder mixture, which is made up of a first powder having the first component (11) and of a second powder having the second component (12), which is compacted and sintered. A second method involves the application of a coating having one of the two components (11, 12) onto nanoscale powder particles having the other particular component (11, 12). A third method involves the production of a layer (13, 14) having one of the two components (11) by sputter deposition or vapor deposition onto a substrate, and a layer (13, 14) having the other particular component is subsequently applied to this layer (13, 14). |
