Conventional Probe

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Surface Wave Probes

Surface wave probes are the probes that transmit and receive the surface waves. The surface waves are the waves that propagate along the surface of work pieces and the wave amplitude decrease greatly with depths below the surface.

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Surface wave probes are the probes that transmit and receive the surface waves. The surface waves are the waves that propagate along the surface of work pieces and the wave amplitude decrease greatly with depths below the surface. The propagation velocity of the surface waves is 0.9 times that of transverse waves, the vibration locus of the particles is an ellipse.

  • The piezoelectric elements are used for transmitting and receiving the ultrasonic waves.
  • The protective membrane is made of high hardness corundum film featuring high resistance to abrasion and corrosion.
  • The cases are made of aluminum alloy with the surface sanding and passivation.
  • The absorbing materials are used to absorb the back noise of the elements.
  • The receptacles are the electric signal interfaces for connecting an instrument with a probe cable.
Frequency(MHz) Element size(mm) Type Receptacle
2.5 18*18 2.5P18*18 62° Q9
18*20 2.5P18*20 72°
6*6 2.5P6*8 62° Q6
2.5P6*8 72°
8*12 2.5P8*12 62° Q9
2.5P8*12 72°
5 6*8 5P6*8 62° Q6
5P6*8 72°
8*12 5P8*12 62° Q9
5P8*12 72°

*Angles specified in probe types are the inclination angles of the plexiglass wedges (incident angles).