Ut P3

Sound Generation ,[object Object],[object Object],[object Object],[object Object],magnetostrictive

Piezo-Electric Effect ,[object Object],[object Object],- + + - - +

Piezo-Electric Materials ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Polarized Crystals ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Most of the probes for conventional usage use PZT : Lead Zirconate Titanate

Probes ,[object Object],[object Object],[object Object],Z X X X Y

Probes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Probes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],25 MHz Shear Probe

Probe Design ,[object Object],[object Object],[object Object],Damping Transducer Electrical connectors Housing

Probe Design ,[object Object],[object Object],Damping Transducer Perspex wedge Backing medium Probe Shoe

Probe Design ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Transmitter Receiver Focusing lens Separator / Insulator

Sound Intensity ,[object Object],Electrical power proportional to the square of the voltage produced Hence

Sound Intensity Will lead to large ratios Therefore

2 signals at 20% and 40% FSH. What is the difference between them in dB’s?

2 signals at 10% and 100% FSH. What is the difference between them in dB’s?

Amplitude ratios in decibels ,[object Object],[object Object],[object Object],[object Object],[object Object]

Automated Inspections ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Gap Scanning ,[object Object],[object Object]

Immersion Testing ,[object Object],[object Object]

Immersion Testing Water path distance Water path distance Front surface Back surface Defect

Ut P3

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