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EMAT Testing

The Situation

The component safety in chemical plants, petro-chemical plants, fossil and nuclear power plants, aviation, etc. is indispensable. Flaws and material defects such as cracking, weld flaws, corrosion and service- induced stresses are only a few examples leading to component failure, often prior to their designed life span. State-of-the-art methods and technologies are required, especially to protect public health, for economic inspection and testing solutions.

Our Solution

EMAT technology, combined with Phased Array techniques (developed by IZFP), uses horizontally polarized shear waves (SH-wave) to improve the inspectability of stainless steel welds, dissimilar metal welds, buttered welds, cladding, etc. These, and other components can now be completely inspected regardless of access considerations due to the virtual transparency of the material to horizontally polarized shear waves.  

Our Systems

Our EMAT systems, including Phased Array EMAT systems are designed for a variety of applications, consisting of two portable components, front end unit and base unit. Control functions, data acquisition and data analysis are performed through the integrated PC. Standard and customized EMAT search units are designed and manufactured by IZFP.

Advantages

  • Electronic control of the sound beam angle and shape
  • Generation of horizontally polarized shear wave mode (SH-wave)

  • Generation of vertically polarized shear wave mode (standard shear wave) and Rayleigh wave mode

  • No acoustic coupling medium required

Software

  • Windows 7 based data acquisition and analysis software
  • Menu controlled setup of parameters such as beam angles, frequency, burst length, amplification, etc.

  • Menu controlled inspection parameter setup for inspection area (and volume), display length and resolution, multiple transducer configuration, etc.

  • Integrated data analysis including reporting and hard copy; export of UT data to a variety of data formats

  • Management of unlimited amounts of UT-data, including pertinent parameters and unlimited number of A-Scans

  • Search unit database

 

More Info Multi-channel EMAT system for PC-controlled manual and/or automated ultrasonic testing using linear and/or horizontal polarized shear waves.
More Info EMAT-8, multi-channel system (Phased Array EMAT) for manual and/or automated testing using linear and/or horizontal  polarized shear waves.   
More Info EMAT-VG, multi-channel system (Phased Array EMAT) for manual and/or automated testing using conventional ultrasonic instruments.
More Info EMAT-1, single-channel system for manual and/or automated testing using linear and/or horizontal  polarized shear waves.   

 


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Last modified: June 25, 2015