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. Candidates must score a minimum of 70 % in each test and a minimum of 80% average for all the three tests.
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
Snells Law
Mode Conversion
First and Second Critical Angle
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
Screen Calibration
Problems
Laboratory - Thickness measurement, Corrosion Mapping
MODULE 9: IMMERSION TESTING
Advantages and Limitations of Immersion Testing
Technique
Minimum Water Path calculation
Types of Immersion Testing Transducers
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
PRACTICALS
Velocity measurement
Thickness Measurement
Thickness Scanning
Plates
Tubes
Corroded samples
Bolt Inspection
Laminated Plates
EXAMINATIONS
General
Specific and Practical
The duration of this course is for 5 days and it is conducted by NDT experts from TCR Arabia. Students will be given an UT Level I certificate at the end of this course.
All courses, unless specified in advanced with the client will be conducted at TCR Arabias training room at its office in Dammam located at:
TCR Arabia Company Limited
P.O. Box-3422
# 3 & 4, next to Al Kifah Construction
besides Al-Kadi Tent Factory
near King Abdulaziz Sea Port
Dammam, Kingdom of Saudi Arabia
(T) +966-3-8475784/8475785
(F) +966-3-8475768
(M) +966-504997683
Attention: Syed Ameen Hassan (M) 00966-504997683
Dates for scheduling of each class will be announced when a minimum of at least 6 students sign up for a given batch.
|
