Cavitation—Abrasion Erosion

  • L. D. Rozenberg
Part of the Ultrasonic Technology book series (ULTE, volume 1)


The erosive activity of a sound field can be enhanced by the addition to the liquid of finely disperse abrasive particles commensurate in size with the effective range of the shock wave created by the implosion of a cavitation bubble. In this case, besides the purely cavitation destruction of solids, the surface of the latter is further acted upon in the sound field by minute abrasive particles in the suspended state. The abrasive particles, motivated by the action of acoustic streaming, may be thought of as microscopic cutting tools, which cut into any microirregularities and deform the surface of the treated material, leaving traces thereon in the form of small scratches. Not to be overlooked is the fact that individual small particles falling into the zone of action of the shock waves generated by collapsing cavitation voids can acquire very high velocities and work additional destruction due to direct impact of the particles against the solid surface.


Abrasive Particle Boron Carbide Cavitation Bubble Sound Field Grit Size 
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Copyright information

© Springer Science+Business Media New York 1973

Authors and Affiliations

  • L. D. Rozenberg
    • 1
  1. 1.Acoustics InstituteAcademy of Sciences of the USSRMoscowUSSR

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