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Ultrasonic Testing
Ultrasonic Testing - Level 1
Course Description :

This course provides the student with 40 hours of Level 1 training in the fundamentals of Ultrasonic Testing methods. This course will introduce the student to the basic concepts and principles and includes hands-on training using Ultrasonic Testing equipment settings and functions. Both contact and immersion methods are reviewed. The Ultrasonic theories presented will provide the knowledge of Ultrasonic Testing required and enable the student to work with individuals qualified and certified to gain needed experience for qualification as Level One.

Applicable Standards and Documents :

This training program was developed to meet the commercial and customer requirements to include: ASNT SNT-TC-1A, ASTM E317, E127, E428 and ASME Sect V Standards for Ultrasonic Testing.

Level I : Training Course Outline
Course Description :
  • Level I and IIs
  • Contact testing carried out at client locations and at sites.
Level I : Training Course Outline

This course introduces the basic principles of ultrasonics and prepares the candidate for Thickness Measurement and other 0-degree inspections. (See Level II Course Outline for Angle Beam Testing). This course prepares a candidate to

  • Perform Specific Calibrations
  • Specific NDT
  • Specific Evaluations for Accept or Reject Determinations according to written Instructions
  • Record Results.
TRAINING

Training Material is presented in Module that are followed by Quizzes

Certification Module

Personnel Certification : ASNT SNT-TC-1A

Module 1: Manufacturing Discontinuities
  • Types of Discontinuities: – Inherent, Processing and Service
  • Casting Discontinuities :- Hot Tear, Cold Shut, Porosity, Shrinkage
  • Primary Processing Discontinuities including discontinuities in Rolling, Forging, Drawing, Extruding
  • Secondary Processing Discontinuities including discontinuities in Grinding, Heat Treating, Machining, Welding, Plating
  • Service Discontinuities:- Erosion, Wear, Fatigue, Corrosion, Creep, Hydrogen Attack
Module 2 : Wave Modes
  • Time Period and Frequency
  • Wavelength
  • Wave Modes including Longitudinal, Shear, Surface and Lamb Waves
  • Velocity of Waves
  • Calculation of Velocity
  • Factors Affecting Velocity - Temperature, Stress
  • Laboratory Measurement of Velocity
Module 3: Acoustic Impedance
  • Acoustic Impedance
  • Calculation of Acoustic Impedance
  • Reflection and Transmission Coefficients
  • Transmission through a layer
Module 4: Refraction and Reflection(Covered in Level I and II training)
  • Reflection and Refraction
  • Snell's Law
  • Mode Conversion
  • First and Second Critical Angle
  • Calculation of Velocity
  • Creeping Waves
  • Problems on Mode Conversion
Module 5: Piezoelectric Transducer
  • Wave Interference: Constructive and Destructive
  • Sound Field
  • Near Field
  • Far Field
  • Beam Spread
  • Problems on Near Field and Beam Spread
  • Laboratory measurement of Beam Spread
  • Principles of Piezoelectricity
  • Curie Temperature
  • Transducer damping
  • Bandwidth
  • Type of Transducers
  • Contact and Immersion Transducers
  • Dual Element, Delay Line, Angle Beam Transducer
  • Couplant
Module 6: Pulser Receiver
  • Ultrasonic Instrumentation - Analog
  • Ultrasonic Instrumentation - Digital
  • Time Base
  • Pulse Repetition Rate
  • Types of Ultrasonic Display – A, B and C Scan
  • Gates
  • Calibration of Ultrasonic Equipment - Time and Amplitude Linearity (Level II)
Module 7: Attenuation
  • Sound Attenuation
  • Causes for Attenuation
  • Attenuation Measurement
  • Calculation of Amplification
  • Laboratory - Measurement of Attenuation
MODULE 8: Thickness Measurement
  • Test Modes
  • Thickness Measurement
  • Thickness Measurement Frequency
  • Problems
  • Laboratory - Thickness measurement, Corrosion Mapping
MODULE 9: Immersion Testing
  • Advantages and Limitations of Immersion Testing
  • Technique
  • Thickness Measurement Frequency
  • Problems
  • Bubbler/Squirter Technique
  • Wheel Type Transducer
MODULE 9: Immersion Testing
  • Advantages and Limitations of Immersion Testing
  • Technique
  • Thickness Measurement Frequency
  • Problems
  • Bubbler/Squirter Technique
  • Wheel Type Transducer
MODULE 10: Flaw Detection - 0 Degree
  • Lamination, Corrosion Mapping, Base Metal defects, Bolts
  • Laboratory scanning on lamination and forged sample as per SA-578 and SA-388
Practical
  • Velocity measurement
  • Thickness Measurement
  • Thickness Scanning
  • Plates
  • Tubes
  • Bolt Inspection
  • Laminated Plates
Examinations
  • Test Modes
  • General
  • Specific
  • Practical
Candidates must score a minimum of 70 % in each test and a minimum of 80% average for all the three tests.
Trainning & Certifications
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