THIN WELDS <12mm (EMAT, VISION)

TEMATE SI uses EMAT techniques to inspect trimmed welds or welds with minimum root and crown. For welds under 6mm (0.25”) in thickness, the technique uses guided waves (SH or Lamb). Conventional bulk shear waves are used for thicker welds. The welds should have no or minimal root and crown.

Features

• Non-contact EMAT technique for ultrasonic testing of welds.
  • For welds 0.25-6mm, guided waves fill up the volume of the material and provide through-thickness inspection without skipping.
  • For welds >6mm, bulk waves are used to fill up the volume using conventional UT “skipping” techniques.
• Detects and discriminates “planar” defects such as lack of fusion, lack of penetration, concavity or mismatch, and “point” defects such as holes and porosity.
• Capable of detecting porosity as small as 0.1mm in a 3mm weld.
• Less sensitive to probe positioning, no “rastering” motion or “phased array” of sensors necessary.
• Self-calibrated sensor. No need for teaching period or regular calibrations.
• Permits inspection at up to 1m/s in completely automated environments.
• Exclusive flexible sensor technology that conforms to the surface and undulations of the part.
• Valid for any trimmed weld, or a welding technique with minimum root and crown (Laser, Electron Beam, Friction Stir, Flash-Butt).
• Proven technique with hundreds of systems installed.

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