Section 6: Selected Applications & Techniques

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Note that normal incidence shear wave coupling is generally not possible at elevated temperatures because commercial shear wave couplants will liquify and lose the very high viscosity that is necessary for transmission of shear waves. We offer two types of high temperature couplant: ■ Couplant E - Ultratherm Recommended for use between 500° and 970° F (260° to 520° C) ■ Couplant G - Medium Temperature Couplant Recommended for use at temperatures up to 600° F (315° C). For a complete list of couplants available from Olympus, along with further notes on each, please refer to the application note on Ultrasonic Couplants.
Keyword: Note that normal incidence shear wave coupling is generally not possible at elevated temperatures because commercial shear wave couplants will liquify and lose the very high viscosity that is necessary for transmission of shear waves. http://www.olympus-ims.com/en/applications/normal-incidence-shear-wave-transducers/ http://static5.olympus-ims.com/data/Flash/shear_wave.swf?rev=3970 http://www.olympus-ims.com/en/ultrasonic-transducers/shear-wave/
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Section 6: Selected Applications &
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6.11: Casting 6.12: Inspection of b
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6.1.1 Casting Defects & Discontinui
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Casting Defects & Discontinuities-
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Casting Defects & Discontinuities
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Casting Defects & Discontinuities
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Processing Defects & Discontinuitie
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6.1.3 Welding Defects & Discontinui
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Welding Defects & Discontinuities
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Welding Defects & Discontinuities-
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Service Induced Defects & Discontin
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Figure 4-24 - In a carbon steel sam
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Figure 4-36 - Weld detail used to j
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Figure 4-38 - Failure of DMW joinin
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Figure 4-58 - Cross-sectional view
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Figure 5-2 - Hot Lean Amine Corrosi
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Figure 5-46 - Overhead interstage k
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Figure 5-48 - Metallographic sample
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6.2: Rail Inspection
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The need for a better inspection me
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Transverse Fissure
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One of the methods used to inspect
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Techniques: Examples of axles with
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6.3: Weldments (Welded Joints)
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UT of Weldments (Welded Joints) F s
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Flaw Detection- Depth Determination
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T = Plate Thickness ϴ = Shear wave
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Flaw Detection- Triangulations of r
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To determine the proper scanning ar
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Expert at works
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Typically scanning patterns
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Weld Scanning
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Weld Scanning
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Echo Dynamic- Position of Defects
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Plate Weld Scanning
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Plate Weld Scanning
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Practice Makes Perfect 52. One of t
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6.4: Pipe & Tube
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Pipe & Tube
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Pipe Scanning
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Pipe Scanning 48.59 o max 30 o max
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Pipe Scanning
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Pipe Scanning- thickness/OD ratio W
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Pipe Scanning- Contact Methods
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Q: Calculate the maximum shear wave
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Q35: During immersion testing of pi
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6.5: Echo Dynamic
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6.5.1 Basic echodynamic pattern of
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C.1 Pattern 1 Point-like reflector
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C.2 Pattern 2 Extended (elongated)
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C.3 Pattern 3a Extended (elongated)
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C.3 Pattern 3b Oblique incidence, t
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C.3 Pattern 3b Oblique incidence, t
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C.4 Pattern 4 Multiple reflector re
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Echodynamic- Change of echo height
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Break Time
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Echo Dynamic of Discontinuity- Flaw
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Echo Dynamic of Discontinuity- Impr
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Echo Dynamic of Discontinuity- Refl
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Echo Dynamic of Discontinuity- Tand
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Echo Dynamic of Discontinuity- Tand
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Echo Dynamic- Root Concavity
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Echo Dynamic
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Echo Dynamic
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Echo Dynamic- Broad indication with
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Echo Dynamic
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Echo Dynamic The echo response from
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Echo Dynamic Typical Echo Dynamic P
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Echo Dynamic Typical Echo Dynamic P
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Q183. In immersion testing, irrelev
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Q46. Which best describes a typical
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6.6: Technique Sheets
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Hanger Pin Testing using Shear Wave
Page 195 and 196: Physical Dimension
Page 197 and 198: Physical Dimension
Page 199 and 200: Reporting: Scanning Report - Top of
Page 201 and 202: Mock-Up
Page 207 and 208: Hanger Pin Testing using Shear Wave
Page 209 and 210: Pitch and Catch Methods- Set-up
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Page 213 and 214: 6.7.2 The attenuation method The at
Page 215 and 216: 6.7.3 Velocity Measurements Velocit
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Page 219 and 220: These basic material properties, wh
Page 221 and 222: Equipment: The velocity measurement
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Page 225 and 226: Velocity & Equations Poisson Ratio
Page 227 and 228: 6.8: High Temperature Ultrasonic Te
Page 229 and 230: 1.0 Background: Although most ultra
Page 231 and 232: Temperature Limitation: Conventiona
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Page 239 and 240: 2.0 Methods used for H.Temperature
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Page 249 and 250: As a general rule, if the outer cas
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Page 253 and 254: Keyword: ■ ■ Velocity change of
Page 255 and 256: 3.3 Increased Attenuation: Sound at
Page 257 and 258: 3.4 Angular Variation in Wedges: Wi
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The real limitation of this techniq
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The real limitation of
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6.App-1: TOFD Introduction NOTE: No
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TOFD provides a wide area of covera
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TOFD offers rapid weld inspection w
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Due to the low amplitude of the dif
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Tips Diffractions
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TOFD
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TOFD has been used for some time fo
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Figure 5-2 - Hot Lean Amine Corrosi
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For these types of weld inspections
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Scan of weld with cursor positioned
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Measurement of good area shows thic
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6.11.3.3TOFD for Corrosion Measurem
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TOFD for Weld- TOFD Parallel Scanni
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■ Perpendicular Scanning Scanning
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Typical “Perpendicular” Weld Sc
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■ Benefit of TOFD Parallel Scanni
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The Experts at work.
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Break Time mms://a588.l3944020587.c
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Break Time
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Section 6: Selected Applications & Techniques

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