Ultrasonics Level 1

Training Objectives
This course provides a basic knowledge of ultrasonic testing fundamentals sufficient to enable the technician to carry out ultrasonic testing to established procedures under the supervision of Level 2 or Level 3 personnel.

Applicable Standards
This course meets the training syllabus requirements of CAN/CGSB-48.9712, ISO 9712 and SNT-TC-1A.

Responsibilities of Level 1 Personnel (as per CGSB)
Level 1 personnel are defined as personnel who properly perform specific calibrations and specific evaluations for acceptance or rejection determinations, according to written instructions, and record results. Level 1 carry out industrial ultrasonics under the supervision of Level 2 or Level 3 personnel and shall receive the necessary instructions from a Level 2 or Level 3 individual.

Course Outline

Introduction
  • Historical perspective of the use of ultrasound
  • Comparison with other commonly used NDT methods
Fundamental Properties of Ultrasound
  • Definition of ultrasonic vibrations
  • Relationship of frequency velocity and wavelength
  • Diffraction theory
  • Modes of particle vibration
  • Ultrasound uses
Generation of Ultrasonic Waves
  • Piezoelectric crystal types and characteristics
  • Search unit construction
  • Search unit characteristics: resolution; sensitivity
  • Search unit types: single element; dual element; Angle beam
Test Material Characteristics
  • Velocity
  • Sound attenuation
  • Acoustic impedance
Sound Beam Characteristics
  • Dead zone; Near zone; Far zone
  • Intensity variations
  • Probe diameter and frequency effect
Angular Incidence
  • Reflection
  • Transmission
  • Refraction
  • Mode conversion
  • Critical angles
  • Snell's Law
Ultrasonic Inspection Techniques
  • Through transmission
  • Pulse echo
  • Angle beam
  • Contact testing
  • Immersion testing
Ultrasonic Testing Equipment
  • Basic pulse echo instrument
  • Control functions and uses
  • Information displays: A scan, B scan, C scan, digital readouts
  • Computer enhanced displays
Ultrasonic Reference Blocks
  • Area amplitude blocks
  • Distance amplitude blocks
  • International Institute of Welding (IIW) block
  • Miniature angle beam calibration block
  • Uses of artificial reflectors compared
Inspected Part Variations
  • Effect of surface roughness
  • Effect of surface coatings
  • Surface curvature
  • Parallelism
  • Grain size
Discontinuity Variations
  • Size
  • Shape
  • Orientation
  • Distance from entry surface

Note: Participants are requested to have a calculator capable of scientific notation. Safety shoes are mandatory for all laboratory work.

This course is offered in partnership with Canadian Institute for Non-Destructive Evaluation (CINDE). Once you click on the Register button, you will be directed to CINDE's website to complete your enrollment.

Upcoming Classes

There are no upcoming classes scheduled for this course. Please contact us to find out about when this course may be offered next.