Liquid Penetrant Testing
Liquid penetrant testing is one of the oldest and simplists NDT methods where its earliest versions (using kerosene and oil mixture) dates back to…
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126 technical articles and industry updates
Method guides, certification routes, salary surveys, codes and standards explained, and news from the inspection industry.
957 discussions · 388 answers
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NDTWhat acceptable method do you use for UT?Victory Ihunanyachi Chimaobi · 2 replies · 1 day agoWhat acceptable method do you use for UTRead discussion
NDTWhat is NDT inspection?NDT Inspect (admin) · 1 reply · 1 day agoNDT (non-destructive testing) inspection is a valuable tool for evaluating the integrity and reliability of…Read discussion- NDTDiving equipment inspection and NDTNDT Inspect (admin) · 1 reply · 1 day agoDiving equipment inspection is an essential process for ensuring the safety and reliability of diving gear.…Read discussion
NDTASME Section VIII, Division 1, or ASME B31.3, and the project specifications?Arun Tiwari · 1 reply · 1 day agoASME Section VIII, Division 1, or ASME B31.3, and the project specifications.Read discussion- NDTNDT technician roles and responsibilitiesNDT Inspect (admin) · 1 reply · 23 days agoNDT (non-destructive testing) technicians are responsible for using various methods to inspect and test…Read discussion
Phased ArrayPAUT Focusing problems (Near Field Length Compensation Options)ketkon · 1 reply · 1 month agoAbstractIn a previous report by the authors, the relative accuracy of Beamtool as it relates to calculations…Read discussion
193 calculations with worked examples
NDT calculators
FreeUTNear field length, circular probeNear-field (Fresnel zone) length N = D²f/4c for a circular single-crystal probe, with the wavelength it…Open calculator- FreeUTAngle beam sound path, surface distance and depthSolves the first-leg angle-beam triangle — sound path, surface distance and depth — from any one of the…Open calculator
- FreeTOFDToFD depth from time of flightConverts a measured ToFD arrival time into the depth of the diffracting tip below the scanning surface.Open calculator
- FreePAUTMaximum PAUT scan speedHighest encoded scan speed that still records every acquisition point, from the frame rate and the scan…Open calculator
- FreeRTSource decayCalculates the present activity of a gamma radiography source from its assay activity and the elapsed…Open calculator
- FreeMTCoil shot current, low fill factorAmpere-turns and coil current for longitudinal magnetisation in a low fill factor coil - part against…Open calculator