Sonochemistry.

@article{Suslick1990Sonochemistry,
  title={Sonochemistry.},
  author={Kenneth S. Suslick},
  journal={Science},
  year={1990},
  volume={247 4949},
  pages={1439-45}
}
Ultrasound causes high-energy chemistry. It does so through the process of acoustic cavitation: the formation, growth and implosive collapse of bubbles in a liquid. During cavitational collapse, intense heating of the bubbles occurs. These localized hot spots have temperatures of roughly 5000 degrees C, pressures of about 500 atmospheres, and lifetimes of a few microseconds. Shock waves from cavitation in liquid-solid slurries produce high-velocity interparticle collisions, the impact of which… CONTINUE READING

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