Features
An advanced UT training course in a book
Easy to read and understand
Understanding sound
Understanding acoustics and reflection
How to position, size and depth a defect with no trigonometry
Unique sizing methods
Combining sizing methods for accuracy
Defect characterization
Testing of nozzles and other awkward
joint configurations
Controversial myths busted
 
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Andrew Cunningham

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Tel: 780 651 0699
  Table of Contents
 
Foreword ----- 5
Sound ----- 6
Compression waves ----- 6
Shear waves ----- 9
Lobes, Cones, and Other Myths ----- 10
Compression and Shear Waves Travel Together ----- 12
Quick Calculations of the wavelength ----- 15
Amplitude and Decibels ----- 16
The Screen Display 
----- 17
The Ultrasonic Flaw Detector ----- 18
The Straight Beam Probe ----- 22
The Dead Zone ----- 23
Near zone / Far zone ----- 27
Measuring the initial pulse I.P. ----- 32
Thickness Measurements ----- 34
Checking the probe prior to measuring ----- 35
Measuring with a 0 probe  ----- 36
Calibrating for different alloy ----- 37
Know your probes ----- 38
Using the IIW V1 block ----- 41
Calibrating to shear wave ----- 42
Scanning with a 0 probe ----- 44
Sizing holes in machined parts ----- 45
Grid Scan ----- 47
Scanning for Internal pits ----- 49
Scanning for pits on a curved surface (vessels and piping) ----- 50
Scanning for volumetric integrity ----- 51
Shear wave scan ----- 52
Distance-Amplitude Correction (DAC) Curve ----- 54
How to construct a DAC curve ----- 55
How to use the DAC Curve ----- 56
Making the transfer loss DAC ----- 56
Setting sensitivity ----- 57
Plotting system ----- 58
Locating the reflector with simple math ----- 59
Finding the Position in front of the probe ----- 60
Finding Depth as a percentage ----- 62
Sizing for length with Max Amp ----- 67
Sizing for length with 6db drop ----- 69
Size for length with 20dB drop ----- 71
Total drop ----- 72
Combination of all sizing techniques ----- 73
Combining all of the above methods ----- 75
Finding the true angle ----- 76
Maximum Amplitude Technique ----- 77
Common Weld Flaws ----- 81
6dB drop ----- 84
Probe manipulation ----- 90
Echo interpretation ----- 91
Cracks ----- 92
Lack of Side Wall Fusion and/or Lack of Root Fusion ----- 93
Lack of Root Fusion ----- 94
Lack of Interpass Fusion ----- 95
Slag Inclusion ----- 96
Isolated Gas Pore ----- 98
Porosy Cluster ----- 99
Concave Root ("Suck Up") ----- 100
Bad Pick-Up ("Stop-Start") ----- 101
Misalignment (High/Low) and/or Mismatch ----- 102
Flanges ----- 103
T K Y Joints ----- 104
End-scans of Welds ----- 104
Nozzle To Shell Welds and Node Plates ----- 105
Sizing "invisible" flaws ----- 107
Nozzle Testing ----- 110
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