WIS 10 Interp exe
Transcript of WIS 10 Interp exe
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M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
Radiographic InterpretationRadiographic Interpretation
Course reference WIS 10
Radiographs of WeldsRadiographs of Welds
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T E
C H
N O
L O
G Y
M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defect?What’s the defect?
Lack of root penetration
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
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T E
C H
N O
L O
G Y
M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defect?What’s the defect?
Lack of root Fusion
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
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T E
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M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
MAG Process What’s the defect?What’s the defect?
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
Piping
Excess Penetration
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T E
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M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defect?What’s the defect?
Lack of root fusion with misalignment
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
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M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defect?What’s the defect?
Excessive root penetration
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
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M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defect?What’s the defect?
Concave root
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
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T E
C H
N O
L O
G Y
M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
What’s the defect?What’s the defect?
Cluster porosity
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N O
L O
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M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defects?What’s the defects?
Burn through
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
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M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defect?What’s the defect?
Cap undercut
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
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T E
C H
N O
L O
G Y
M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defect?What’s the defect?
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
Wormholes/Piping
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T E
C H
N O
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G Y
M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defect?What’s the defect?
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
Cap undercut intermittent
Concave root
Note: Grinding marks on parent plate
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M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
MAG process
What’s the defects?What’s the defects?
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
Blow hole/pipingHard Stamping
Lack of root fusion
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M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defects?What’s the defects?
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
Root undercut
Porosity
Porosity
Arc strike indication
Note: Grinding marks on parent plate
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T E
C H
N O
L O
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M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defect?What’s the defect?
Root undercut
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
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M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defect?What’s the defect?
Incomplete filled groove
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
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M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defect?What’s the defect?
Longitudinal crack
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
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M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
What’s the defects?What’s the defects?
Cap Undercut Intermittent
Slag Line
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M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defect?What’s the defect?
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
Slag lineSlag line Poor stop/start
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M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defect?What’s the defect?
Elongated slag lines
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
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M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defect?What’s the defect?
Linear misalignment
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
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M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defect?What’s the defect?
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
Lack of sidewall fusion
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M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defect?What’s the defect?
Transverse cracking
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
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T E
C H
N O
L O
G Y
M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defect?What’s the defect?
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
Root piping
Cap undercut intermittent Slag inclusions
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T E
C H
N O
L O
G Y
M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defect?What’s the defect?
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
Lack of sidewall fusion + slag
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T E
C H
N O
L O
G Y
M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defect?What’s the defect?
Lack of sidewall fusion + slag
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
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C H
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M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defects?What’s the defects?
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
Burn through
Lack of root penetration
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T E
C H
N O
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G Y
M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defect?What’s the defect?
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
Cluster porosity throughout weld
Note: Re-shoot lead letters in weld area
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M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defect?What’s the defect?
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
Crater crack orStar crack
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C H
N O
L O
G Y
M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defect?What’s the defect?
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
Worm holes
Hard stampingDo you see anything elseDo you see anything else
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M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defect?What’s the defect?
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
HAZ crack
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T E
C H
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G Y
M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defects?What’s the defects?
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
Lack of root penetration
Lack of root penetration
Copper inclusions
MAG Process
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T E
C H
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G Y
M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defect?What’s the defect?
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
Excess root penetration
Root undercut
Note: Grinding marks throughout
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T E
C H
N O
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G Y
M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defect?What’s the defect?
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
Crater cracks+ crater pipe
No weld metal
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T E
C H
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G Y
M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defect?What’s the defect?
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
Unfused filler wire
Lack of root penetration
Root undercut
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T E
C H
N O
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G Y
M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defect?What’s the defect?
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
Excess penetration
Flush weld
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M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defect?What’s the defect?MAG Process
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
Silica inclusions
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T E
C H
N O
L O
G Y
M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defect?What’s the defect?
Cluster porosity
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
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T E
C H
N O
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G Y
M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defects?What’s the defects?
Arc strike
Cap undercut
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
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M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
What’sWhat’s the defects?the defects?
Excess Root Penetration
Do you see anything else?Do you see anything else?Spatter / Debris
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M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defects?What’s the defects?
Piping
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
Gas pore
What else can you see ?What else can you see ?Spatter
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T E
C H
N O
L O
G Y
M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defects?What’s the defects?
Root undercut
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
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T E
C H
N O
L O
G Y
M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
MAG Process
Radiographic Interpretation of WeldsRadiographic Interpretation of WeldsWhat’s the defects?What’s the defects?
Lack of Root Penetration
Burn Through
Can you see anything else?Can you see anything else?Copper inclusions
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T E
C H
N O
L O
G Y
M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
What’s the defects?What’s the defects?Incomplete filled grooveLack of root fusion
Lack of root PenetrationLack of root Penetration
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T E
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G Y
M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
Lack of Root Penetration
Cap Undercut
What's the defects?What's the defects?Wormholes/piping
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T E
C H
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G Y
M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
What defects can you see?What defects can you see?Parallel slag lines
Porosity
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T E
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G Y
M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
What defects can you see?What defects can you see?
Crack Lack of sidewall fusion
Porosity
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T E
C H
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G Y
M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defects?What’s the defects?
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
Interpass slag inclusions
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T E
C H
N O
L O
G Y
M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defects?What’s the defects?
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
Porosity
Transverse CracksRe-Shoot Lead letter in weld area
Excess penetration
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T E
C H
N O
L O
G Y
M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defects?What’s the defects?
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
Lack of root penetration
Incomplete filled groove Copper inclusions Incomplete filled groove
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T E
C H
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G Y
M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
TIG Process What’s the defects?What’s the defects?
Tungsten inclusions
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
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C H
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G Y
M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defects?What’s the defects?
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
Herringbone porosity
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T E
C H
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G Y
M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defects?What’s the defects?
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
Root concavityNote: weld repair
Arc strike
Note: Grinding marks
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T E
C H
N O
L O
G Y
M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
TIG ProcessTIG Process
What’s the defects?What’s the defects?
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
Lack of root penetration Excess penetration
Tungsten inclusions
Note: Re-shoot lead letter in weld area
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T E
C H
N O
L O
G Y
M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2
What’s the defects?What’s the defects?
Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
Gas cavities
Slag inclusions
Concave root intermittent
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M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
What’s the Artefact?What’s the Artefact?
Light FogLight Leaks
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M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
What’s the Artefact?What’s the Artefact?
Yellow Fog
What’s the Defect?What’s the Defect?
Cap undercut
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M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
What’s the Artefact?What’s the Artefact?
Crimping MarkAfter Exposure
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M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
What’s the Artefact?What’s the Artefact?
Film Scratch
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M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
What’s the Artefact?What’s the Artefact?
Static Discharge
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SWI 3.2Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
What’s the Artefact?What’s the Artefact?
Chemical Mark
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M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
What’s the Artefact?What’s the Artefact?
Chemical Mark
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M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
What’s the Artefact?What’s the Artefact?
Water Marks
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M.S.RogersCopyright © 2004 TWI Ltd
SWI 3.2Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
What’s the Artefact?What’s the Artefact?
Dust/Grime Marks
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SWI 3.2Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
What’s the Artefact?What’s the Artefact?
Reticulation
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SWI 3.2Radiographic Interpretation of WeldsRadiographic Interpretation of Welds
What’s the Artefact?What’s the Artefact?
Diffraction Mottle
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SWI 3.2
M.S.RogersCopyright © 2003 TWI Ltd
Any QuestionsAny Questions
??