Section 6: Selected Applications & Techniques

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(1a) Thickness gaging The most common application for high temperature thickness gaging is corrosion survey work, the measurement of remaining metal thickness of hot pipes and tanks with corrosion gages such as Models 38DL PLUS and 45MG. Most of the transducers that are designed for use with Olympus corrosion gages are suitable for high temperature use. The commonly used D790 series transducers can be used on surfaces as hot as 500° C or 930° F. For a complete list of available corrosion gauging duals that includes temperature specifications, see this link: Corrosion Gage Duals.
For precision thickness gauging applications using the Models 38DL PLUS or Model 45MG with Single Element software ,such as hot plastics, any of the standard Micro-scan delay line transducers in the M200 series (including gage default transducers M202, M206, M207, and M208) can be equipped with high temperature delay lines. DLHT-1, -2, and -3 delay lines may be used on surfaces up to 260° C or 500° F. DLHT-101, -201, and -301 delay lines may be used on surfaces up to 175° C or 350° F. These delay lines are listed in the Delay Line Option Chart.
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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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Page 191 and 192: 6.6: Technique Sheets
Page 193 and 194: 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
Page 211 and 212: 6.7: Material Properties- Elastic M
Page 213 and 214: 6.7.2 The attenuation method The at
Page 215 and 216: 6.7.3 Velocity Measurements Velocit
Page 217 and 218: Elastic Modulus Measurement - Young
Page 219 and 220: These basic material properties, wh
Page 221 and 222: Equipment: The velocity measurement
Page 223 and 224: Testing Procedure: Equipment Used.
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 243 and 244: (1b) Flaw detection As in high temp
Page 245 and 246: 2.2 High Temperature Couplants Most
Page 247 and 248: Keyword: Note that normal incidence
Page 249 and 250: As a general rule, if the outer cas
Page 251 and 252: 2.4 Equipment Functions Freeze Func
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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Page 265 and 266: 6.9.3 Position measurements Positio
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Page 269 and 270: Fig. 61 Setup for determining the p
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Page 283 and 284: Casting- Detection of shrinkage cav
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Crack Monitoring Laboratory and in-
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The use of pulse-echo techniques fo
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6.15: Stress Measurements
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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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