Method Comparisons

PAUT vs TOFD for weld inspection

How phased array and time-of-flight diffraction compare for detecting and sizing weld defects.

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Executive summary

What this article covers

How phased array and time-of-flight diffraction compare for detecting and sizing weld defects.

Target audience

Who this is for

NDT technicians and welding quality engineers.

Problem addressed

The challenge

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Technical explanation

How it works

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When to use this method

Best-fit scenarios

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Limitations

What to keep in mind

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Related technologies

Technologies referenced

Non-destructive testing

Ultrasonic Testing (UT, PAUT, TOFD)

Ultrasonic testing — including phased array and TOFD — detects and sizes internal defects in welds and thick sections with traceable, imaging-rich results.

Learn more Non-destructive testing

Digital Radiography / X-ray Inspection

Digital radiography and X-ray inspection reveal internal structure with immediate digital imaging, speeding inspection of welds, castings and assemblies while improving documentation.

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Related industries

Where this applies

Energy

Integrity for high-value, high-risk assets

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Metal Processing

Confidence from raw material to finished part

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Railway

Reliability for components that carry people

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Connected manufacturing challenges

Weld Inspection

Detect and size weld defects with traceable, defensible results.

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Internal Defect Detection

Find porosity, voids, cracks and inclusions inside parts non-destructively.

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Recommended next step

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