6. Glossary

cavitation; cavitation

Phenomenon corresponding to the nucleation and growth of vapor bubbles in a liquid subjected to local depression.

ultrasonic; ultrasound

Ultrasound corresponds to acoustic waves with frequencies between 16 kHz and 1 MHz.

ténacité; toughness

Characterizes a material's resistance to fracture or crack propagation.

dureté; hardness

Characterizes a material's resistance to penetration by another material.