Method and apparatus for surface enhancement
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United States of America Patent
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Jun 9, 2015
Grant Date -
Mar 28, 2013
app pub date -
Sep 27, 2012
filing date -
Sep 27, 2011
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Abstract
Systems and methods for generating beneficial residual stresses in a target material by generating cavitation shock waves through the use of a cavitation intensification conditioner. Shock waves emanate through the target material from collapsing cavitation voids in a liquid jet to generate residual stresses without significantly deforming the surface of the target material. A high pressure liquid is accelerated through a submerged peening nozzle to generate a high-speed liquid cavitating jet that is further intensified and controlled by use of the cavitation intensification conditioner.
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