weld defect - guided ultrasonics · 2018-08-07 · • weld defect was positively identified using...
TRANSCRIPT
Distance (m)
A close up view of the defected weld with lack of root penetration which is visually unobservable.
A radiograph of the defected weld with lack of root penetration confirmed by the dark circumferential line.
Good WeldWeld Defect
• 3” Gas line
• Painted surface
Job Details
• Weld defect was positively identified using standard tools available in the WaveproTM
software
• Subsequent prove up using Radiographic Testing (RT) confirms a 85% lack of root penetration at positions reported in the unrolled pipe display
Main Findings
Equipment:
With the advanced interpretation tools such as frequency sweeping and C-Scan, welds can be screened for defects as part of the guided wave inspection.
Wavemaker® G3 EFC Solid Ring
Cloc
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Guided Ultrasonics Ltd.Wavemaker House,
The Ham, Brentford, TW8 8HQUnited Kingdom
Email : [email protected] : www.guided-ultrasonics.comTel: +44 845 605 0227 ©2016 Guided Ultrasonics Ltd. All rights reserved.2016CaseStudy12_rev0
Ampl
itude
(dB)