What’s the defect?Radiographic Interpretation of Welds Cap undercut intermittent Concave root Note: Grinding marks on parent plate... What’s the defect?Radiographic Interpretation of Wel
Trang 2Radiographic Interpretation of Welds
Trang 3Radiographic Interpretation of Welds
Trang 4MAG Process What’s the defect?
Radiographic Interpretation of Welds
Piping Excess Penetration
Trang 5Radiographic Interpretation of Welds
Trang 6Radiographic Interpretation of Welds
Trang 8SWI 3.2 Radiographic Interpretation of Welds
What’s the defect?
Cluster porosity
Trang 11What’s the defect?
Radiographic Interpretation of Welds
Wormholes/Piping
Trang 12What’s the defect?
Radiographic Interpretation of Welds
Cap undercut intermittent
Concave root
Note: Grinding marks on parent plate
Trang 13What’s the defects?
Radiographic Interpretation of Welds
Blow hole/piping Hard Stamping
Lack of root fusion
Trang 14What’s the defects?
Radiographic Interpretation of Welds
Trang 16Radiographic Interpretation of Welds
Trang 17Radiographic Interpretation of Welds
Trang 18SWI 3.2 Radiographic Interpretation of Welds
What’s the defects?
Cap Undercut Intermittent
Slag Line
Trang 19What’s the defect?
Radiographic Interpretation of Welds
Slag line Slag line Poor stop/start
Trang 20Radiographic Interpretation of Welds
Trang 21Radiographic Interpretation of Welds
Trang 22What’s the defect?
Radiographic Interpretation of Welds
Lack of sidewall fusion
Trang 23Radiographic Interpretation of Welds
Trang 24What’s the defect?
Radiographic Interpretation of Welds
Root piping Cap undercut intermittent Slag inclusions
Trang 25What’s the defect?
Radiographic Interpretation of Welds
Lack of sidewall fusion + slag
Trang 26Radiographic Interpretation of Welds
Trang 27What’s the defects?
Radiographic Interpretation of Welds
Burn through Lack of root penetration
Trang 28What’s the defect?
Radiographic Interpretation of Welds
Cluster porosity throughout weld
Note: Re-shoot lead letters in weld area
Trang 29What’s the defect?
Radiographic Interpretation of Welds
Crater crack or Star crack
Trang 30What’s the defect?
Radiographic Interpretation of Welds
Worm holes Hard stamping
Do you see anything else
Trang 31What’s the defect?
Radiographic Interpretation of Welds
HAZ crack
Trang 32What’s the defects?
Radiographic Interpretation of Welds
Lack of root penetration
Lack of root penetration Copper inclusions
MAG Process
Trang 33What’s the defect?
Radiographic Interpretation of Welds
Excess root penetration
Root undercut
Note: Grinding marks throughout
Trang 34What’s the defect?
Radiographic Interpretation of Welds
Crater cracks + crater pipe
No weld metal
Trang 35What’s the defect?
Radiographic Interpretation of Welds
Unfused filler wire Lack of root penetration
Root undercut
Trang 36What’s the defect?
Radiographic Interpretation of Welds
Excess penetration
Flush weld
Trang 39Radiographic Interpretation of Welds
Trang 40SWI 3.2 Radiographic Interpretation of Welds
What’s the defects?
Excess Root Penetration
Do you see anything else?
Spatter / Debris
Trang 43Radiographic Interpretation of Welds
What’s the defects?
Lack of Root Penetration Burn Through
Can you see anything else?
Copper inclusions
Trang 44SWI 3.2 Radiographic Interpretation of Welds
What’s the defects?
Incomplete filled groove Lack of root fusion
Lack of root Penetration Lack of root Penetration
Trang 45SWI 3.2 Radiographic Interpretation of Welds
Lack of Root Penetration
Cap Undercut
What's the defects?
Wormholes/piping
Trang 46SWI 3.2 Radiographic Interpretation of Welds
What defects can you see?
Parallel slag lines
Porosity
Trang 47SWI 3.2 Radiographic Interpretation of Welds
What defects can you see?
Crack Lack of sidewall fusion
Porosity
Trang 48What’s the defects?
Radiographic Interpretation of Welds
Interpass slag inclusions
Trang 49What’s the defects?
Radiographic Interpretation of Welds
Porosity
Transverse Cracks Re-Shoot Lead letter in weld area
Excess penetration
Trang 50What’s the defects?
Radiographic Interpretation of Welds
Lack of root penetration
Incomplete filled groove Copper inclusions Incomplete
Trang 51Radiographic Interpretation of Welds
Trang 52What’s the defects?
Radiographic Interpretation of Welds
Herringbone porosity
Trang 53What’s the defects?
Radiographic Interpretation of Welds
Root concavity Note: weld repair
Arc strike
Note: Grinding marks
Trang 54What’s the defects?
Radiographic Interpretation of Welds
Lack of root penetration Excess penetration
Tungsten inclusions
Note: Re-shoot lead letter in weld area
Trang 55What’s the defects?
Radiographic Interpretation of Welds
Gas cavities
Slag inclusions
Concave root intermittent
Trang 56SWI 3.2 Radiographic Interpretation of Welds
What’s the Artefact?
Light Fog Light Leaks
Trang 57SWI 3.2 Radiographic Interpretation of Welds
What’s the Artefact?
Yellow Fog
What’s the Defect?
Cap undercut
Trang 58SWI 3.2 Radiographic Interpretation of Welds
What’s the Artefact?
Crimping Mark After Exposure
Trang 59SWI 3.2 Radiographic Interpretation of Welds
What’s the Artefact?
Film Scratch
Trang 60SWI 3.2 Radiographic Interpretation of Welds
What’s the Artefact?
Static Discharge
Trang 61SWI 3.2 Radiographic Interpretation of Welds
What’s the Artefact?
Chemical Mark
Trang 62SWI 3.2 Radiographic Interpretation of Welds
What’s the Artefact?
Chemical Mark
Trang 63SWI 3.2 Radiographic Interpretation of Welds
What’s the Artefact?
Water Marks
Trang 64SWI 3.2 Radiographic Interpretation of Welds
What’s the Artefact?
Dust/Grime Marks
Trang 65SWI 3.2 Radiographic Interpretation of Welds
What’s the Artefact?
Reticulation
Trang 66SWI 3.2 Radiographic Interpretation of Welds
What’s the Artefact?
Diffraction Mottle