Vol. 20 No. 3 (2021): Revista UIS Ingenierías
Articles

Dimensional characterization with Phased Array Ultrasonic testing of induced discontinuities in ASTM A36 steel by EDM and SMAW welding processes

Carlos Andrés Galán-Pinilla
Universidad Industrial de Santander
Luz Amparo Quintero-Ortiz
Universidad Industrial de Santander
Julián Orlando Herrera-Ortiz
Universidad Industrial de Santander

Published 2021-06-07

Keywords

  • angular resolution,
  • Electrical Discharge Machined Notches,
  • EDM,
  • Phased Array Ultrasonic Testing,
  • PAUT,
  • sectorial scanning,
  • S-Scan
  • ...More
    Less

How to Cite

Galán-Pinilla, C. A., Quintero-Ortiz, L. A., & Herrera-Ortiz, J. O. (2021). Dimensional characterization with Phased Array Ultrasonic testing of induced discontinuities in ASTM A36 steel by EDM and SMAW welding processes. Revista UIS Ingenierías, 20(3), 147–154. https://doi.org/10.18273/revuin.v20n3-2021010

Abstract

This research evaluates the effect of the variables of Phased Array Ultrasonic Testing (PAUT) on the sectoral angular beam scans “S-Scan” and the geometric morphology of planar discontinuities such as the inclination for the ultrasonic beam and the shape of the extremity on accuracy in measurements. The study was carried out in two stages. During the first stage, eight ASTM A36 steel samples with machined notches by penetration from EDM and a welded sample with lack of penetration in a butt weld were designed and produced. In the second stage, it was measured the size of the discontinuities using ultrasound inspection and different configurations of the phase arrangement. The effect of each variable and inspection setting with errors between 0.2 % and 120 % were determined by statistical analysis.

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