Rapid manufacturing process by using a focused ultrasound beam
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United States of America Patent
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May 22, 2018
Issued Date -
N/A
app pub date -
Oct 10, 2014
filing date -
Oct 11, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
The invention refers to a process for rapid manufacturing that uses a focused ultrasound beam according to the invention. The process is based on the local ultrasound welding of the material (2) grains that is under a powder form, welding that takes place solely in the focal spot of the focused ultrasound beam, the focal spot being scanned across the X-Y-Z directions within the powder (2) bed so as to 3D build the entire object (7) that is desired. The processes taking place in the focal spot region are local melting, local melting due to friction followed by filling of the gaps existing between grains, removal of the grain asperities, local inter-diffusion between neighboring grains as well as other phenomena that take place at the interfaces between materials when these are subjected to an ultrasound field.
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International Classification(s)
- C03B:MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR ....
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- B28B:SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG O....
- B23K:SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLA....
- B22F:WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES F....
- B29K:INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, ....
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