Addendum-01a Equipment Calibrations My ASNT Level III UT Study Notes. 2014-June

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IF zero Material attenuation: The second BWE at twice the distance will be exactly 6dB less (50% less), half the 1st BWE height ( ½ FSH). However this is never the case!
Δ dB = total Material attenuation at twice distance travel. Material attenuation = ΔdB D1 D2
Page 1: Addendum-01a Equipment Calibrations
Page 6: Speaker: Fion Zhang 2014/6/19
Page 9 and 10: Attenuation due to Beam spread for:
Page 11 and 12: Attenuation Due to Beam Spread: Sma
Page 13: Material Attenuation Determination:
Page 17 and 18: Construction of beam edges plot- No
Page 19 and 20: 20dB drop to find edges of beam
Page 21 and 22: Construction of beam spread at 13mm
Page 23 and 24: Construction of beam spread at 32mm
Page 25 and 26: Perspex as Matching Layer/Wedge Tun
Page 27 and 28: First/ Second Critical Angles V L1
Page 29 and 30: Finding the probe index
Page 31 and 32: Checking the probe Angle:
Page 33 and 34: Calibration for range:
Page 35 and 36: Angle Beam- Beam edges Proving (Ver
Page 37 and 38: The IOW Block: The Institute of Wel
Page 39 and 40: Angle Beam- Beam edges Proving (Hor
Page 45 and 46: The DAC
Page 47 and 48: DAC Curve
Page 49 and 50: FLAT Bottom Holes FBH
Page 51 and 52: Reading on: FLAT Bottom Holes FBH h
Page 53 and 54: Transfer Corection
Page 55 and 56: Transfer Correction: Reference surf
Page 57 and 58: Transfer Correction:
Page 59 and 60: Transfer Correction: Compression Pr
Page 61 and 62: DGS- Distance Gain Size http://www.
Page 63 and 64: DGS is a primarily mathematical tec
Page 65 and 66:
(Curve #2) represent the relative a
Page 67 and 68:
(Curve #2) represent the relative a
Page 69 and 70:
DGS- Different sizes of FBH at diff
Page 71 and 72:
What is DGS TCG is a time-corrected
Page 73 and 74:
Locating & Sizing Flaws
Page 75 and 76:
With ultrasonic instruments having
Page 77 and 78:
Scanning Patterns
Page 79 and 80:
Scanning Patterns
Page 81 and 82:
Scanning Patterns
Page 83 and 84:
Scanning Patterns
Page 85 and 86:
Scanning Patterns
Page 87 and 88:
Scanning Patterns
Page 89 and 90:
Scanning Patterns
Page 95 and 96:
Scanning Patterns http://www.olympu
Page 97:
Practice Makes Perfect 35. The 2 mm
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Addendum-01a Equipment Calibrations My ASNT Level III UT Study Notes. 2014-June

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