TECHNOLOGY SWI 3.2 Radiographic Interpretation Radiographs of Welds Course reference WIS 10 Copyright © 2004 TWI Ltd M.S.Rogers Radiographic Interpretation of Welds TECHNOLOGY SWI 3.2 Lack of root penetration What’s the defect? Copyright © 2004 TWI Ltd M.S.Rogers Radiographic Interpretation of Welds TECHNOLOGY SWI 3.2 Lack of root Fusion What’s the defect? Copyright © 2004 TWI Ltd M.S.Rogers TECHNOLOGY SWI 3.2 Radiographic Interpretation of Welds Excess Penetration Piping MAG Process Copyright © 2004 TWI Ltd What’s the defect? M.S.Rogers Radiographic Interpretation of Welds TECHNOLOGY SWI 3.2 Lack of root fusion with misalignment What’s the defect? Copyright © 2004 TWI Ltd M.S.Rogers Radiographic Interpretation of Welds TECHNOLOGY SWI 3.2 Excessive root penetration What’s the defect? Copyright © 2004 TWI Ltd M.S.Rogers Radiographic Interpretation of Welds TECHNOLOGY SWI 3.2 Concave root What’s the defect? Copyright © 2004 TWI Ltd M.S.Rogers Radiographic Interpretation of Welds TECHNOLOGY SWI 3.2 Cluster porosity What’s the defect? Copyright © 2004 TWI Ltd M.S.Rogers Radiographic Interpretation of Welds TECHNOLOGY SWI 3.2 Burn through What’s the defects? Copyright © 2004 TWI Ltd M.S.Rogers Radiographic Interpretation of Welds TECHNOLOGY SWI 3.2 Cap undercut What’s the defect? Copyright © 2004 TWI Ltd M.S.Rogers TECHNOLOGY SWI 3.2 Radiographic Interpretation of Welds Note: Grinding marks Root concavity Note: weld repair Arc strike Copyright © 2004 TWI Ltd What’s the defects? M.S.Rogers TECHNOLOGY SWI 3.2 Radiographic Interpretation of Welds Note: Re-shoot lead letter in weld area Lack of root penetration Excess penetration Tungsten inclusions TIG Process What’s the defects? Copyright © 2004 TWI Ltd M.S.Rogers TECHNOLOGY SWI 3.2 Radiographic Interpretation of Welds Gas cavities Slag inclusions Copyright © 2004 TWI Ltd Concave root intermittent What’s the defects? M.S.Rogers Radiographic Interpretation of Welds TECHNOLOGY SWI 3.2 Light Fog Light Leaks What’s the Artefact? Copyright © 2004 TWI Ltd M.S.Rogers Radiographic Interpretation of Welds TECHNOLOGY SWI 3.2 What’s the Defect? Cap undercut Yellow Fog What’s the Artefact? Copyright © 2004 TWI Ltd M.S.Rogers Radiographic Interpretation of Welds TECHNOLOGY SWI 3.2 Crimping Mark After Exposure What’s the Artefact? Copyright © 2004 TWI Ltd M.S.Rogers Radiographic Interpretation of Welds TECHNOLOGY SWI 3.2 Film Scratch What’s the Artefact? Copyright © 2004 TWI Ltd M.S.Rogers Radiographic Interpretation of Welds TECHNOLOGY SWI 3.2 Static Discharge What’s the Artefact? Copyright © 2004 TWI Ltd M.S.Rogers Radiographic Interpretation of Welds TECHNOLOGY SWI 3.2 Chemical Mark What’s the Artefact? Copyright © 2004 TWI Ltd M.S.Rogers Radiographic Interpretation of Welds TECHNOLOGY SWI 3.2 Chemical Mark What’s the Artefact? Copyright © 2004 TWI Ltd M.S.Rogers Radiographic Interpretation of Welds TECHNOLOGY SWI 3.2 Water Marks What’s the Artefact? Copyright © 2004 TWI Ltd M.S.Rogers Radiographic Interpretation of Welds TECHNOLOGY SWI 3.2 Dust/Grime Marks What’s the Artefact? Copyright © 2004 TWI Ltd M.S.Rogers Radiographic Interpretation of Welds TECHNOLOGY SWI 3.2 Reticulation What’s the Artefact? Copyright © 2004 TWI Ltd M.S.Rogers Radiographic Interpretation of Welds TECHNOLOGY SWI 3.2 Diffraction Mottle What’s the Artefact? Copyright © 2004 TWI Ltd M.S.Rogers TECHNOLOGY SWI 3.2 Any Questions ? Copyright Copyright©©2003 2004TWI TWILtd Ltd M.S.Rogers M.S.Rogers ...Radiographic Interpretation of Welds TECHNOLOGY SWI 3.2 Lack of root penetration What’s the defect? Copyright © 2004 TWI Ltd M.S.Rogers Radiographic Interpretation of Welds TECHNOLOGY... TECHNOLOGY SWI 3.2 Radiographic Interpretation of Welds Excess Penetration Piping MAG Process Copyright © 2004 TWI Ltd What’s the defect? M.S.Rogers Radiographic Interpretation of Welds TECHNOLOGY... Ltd M.S.Rogers Radiographic Interpretation of Welds TECHNOLOGY SWI 3.2 Excessive root penetration What’s the defect? Copyright © 2004 TWI Ltd M.S.Rogers Radiographic Interpretation of Welds TECHNOLOGY