Apparatus for checking the direction of polarization of shear-wave ultrasonic transducers
Patent
·
OSTI ID:863745
- Hinsdale, IL
An apparatus for checking the direction of polarization of shear-wave ultrasonic transducers comprises a first planar surface for mounting the shear-wave transducer, a second planar surface inclined at a predetermined angle to the first surface to generate longitudinal waves by mode conversion, and a third planar surface disposed at a second predetermined angle to the first for mounting a longitudinal-wave ultrasonic transducer. In an alternate embodiment, two second planar surfaces at the predetermined angle are placed at an angle to each other. The magnitude of the shear wave is a function of the angle between the direction of polarization of the transducer and the mode-conversion surface.
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Assignee:
- United States of America as represented by United States (Washington, DC)
- Patent Number(s):
- US 4238725
- OSTI ID:
- 863745
- Country of Publication:
- United States
- Language:
- English
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apparatus
checking
direction
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shear-wave
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comprises
planar
surface
mounting
transducer
inclined
predetermined
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generate
longitudinal
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mode
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longitudinal-wave
alternate
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placed
magnitude
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planar surfaces
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planar surface
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checking
direction
polarization
shear-wave
ultrasonic
transducers
comprises
planar
surface
mounting
transducer
inclined
predetermined
angle
generate
longitudinal
waves
mode
conversion
third
disposed
longitudinal-wave
alternate
embodiment
surfaces
placed
magnitude
shear
wave
function
mode-conversion
planar surfaces
longitudinal waves
shear wave
ultrasonic transducer
planar surface
alternate embodiment
predetermined angle
ultrasonic transducers
shear-wave ultrasonic
longitudinal wave
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