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Directional electrostatic accretion process employing acoustic droplet formation
Directional electrostatic accretion process employing acoustic droplet formation
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机译:使用声滴形成的定向静电积聚过程
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摘要
The present invention is directed to an apparatus for manufacturing a free standing solid metal part. In the present invention metal droplets are ejected in a nozzleless fashion from a free surface pool of molten metal by applying focused acoustic radiation pressure. The acoustic radiation pressure is produced by high intensity acoustic tone bursts emitted from an acoustic source positioned at the bottom of the pool which directs the acoustic energy at the pool surface. The metal droplets are electrostatically charged so their trajectory can be controlled by electric fields that guide the droplets to predetermined points on a target. The droplets impinge upon the target and solidify with the target material. The accretion of the electrostatically directed solidified droplets forms the free standing metal part.
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