6533b824fe1ef96bd1281683

RESEARCH PRODUCT

2D size, position and shape definition of defects by B-scan image analysis

Tommaso IngrassiaMichele ScafidiDonatella Cerniglia

subject

2D defect shape definition; B-scan image analysis; Defect size definition; Laser UT system; NDE; Mechanical Engineering; Mechanics of MaterialsEngineering drawingEngineeringdefect size definitionNDE2D defect shape definitionbusiness.industryMechanical Engineeringlcsh:Mechanical engineering and machinerylcsh:TA630-695lcsh:Structural engineering (General)AutomationImage (mathematics)B-scan image analysisCross section (physics)laser UT systemMechanics of MaterialsPosition (vector)Computer visionUltrasonic sensorlcsh:TJ1-1570Artificial intelligenceSettore ING-IND/15 - Disegno E Metodi Dell'Ingegneria IndustrialebusinessB-scan image analysi

description

The non-destructive evaluation of defects by automatic procedures is of great importance for structural components. Thanks to the developments of the non-contact ultrasonic techniques, the automation of the inspections is gaining a progressively important role. In this work, an automatic inspection technique for the evaluation of defects by the analysis of B-scan images obtained by a laser ultrasonic system is presented. The data are extracted directly from a B-scan map obtained for a panel with internal defects, and are used to build an image of the cross section of the panel. The proposed automatic procedure allows the definition of size, position and shape of defects in panels of known thickness.

10.3221/igf-esis.34.68https://www.fracturae.com/index.php/fis/article/view/IGF-ESIS.34.68