Variables Impacting Ultrasonic Tests (7) Flashcards

1
Q

What are the three main categories of variables that impact Ultrasonic Testing?

A
  • Material Variables
  • Discontinuity Variables
  • Equipment and Setting Variables
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2
Q

Material Variables

A
  • Composition
  • Sound Velocity
  • Attenuation; Grain structure, Surface Condition
  • Shape
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3
Q

Discontinuity Variables

A
  • Size
  • Acoustic Impedance
  • Orientation
  • Shape and Contour
  • Surface Roughness
  • Location in sound beam
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4
Q

Equipment and Setting Variables

A

Transducer

  • Frequency
  • Diameter
  • Bandwidth
  • Type

Instrument Settings

  • Pulse length
  • Pulse energy
  • Pulse repetition rate
  • Rectification
  • Gain

Couplant

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