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Home Material Sciences Ultrasonic Tomograph UST-04M

Ultrasonic Tomograph UST-04M


Ultrasonic flaw detection is a reliable and a most wide spread tool today for material diagnostics. Ultrasonic tomograph UST-04M developed at the Institute allows to determine experimentally a spatial distribution of the velocities of propagation and damping of longitudinal, transversal and surface ultrasonic waves and to calculate on its basis the spatial distribution of physico mechanical properties of the material: elasticity modules, strength characteristics, hardness, grain size, intercrystalline corrosion, parameters of heterogeneous stress-strain state ( stress tensor components, its invariants).

Main capabilities of the device:

  • evaluation of distribution of material mechanical characteristics in the product volume:
    • elastic (elasticity modulus, shear modulus);
    • strength (ultimate strength);
    • structural (grain size);
    • technological (hardness);
    • stress-strain parameters (stress tensor, tensor invariants);
  • monitoring the material state in the material volume during its operation ageing ( degradation, fatigue);
  • detection of weakly contrast defects and evaluation of their characteristics;
  • checking adhesion of protective coatings;
  • detection of local stress concentration zones of material in the product volume.

Advantages of the system

Additional sounding of material with different types of ultrasonic waves , recording ( including non-contact methods) of the transmission signal, a signal back scattered from the material structure and also acoustic emission signal ( passive acoustic- emission tomography) is possible.

Portability of the tomograph allows to use it in a difficult- access site and in complex conditions.

Ultrasonic Tomograph UST-04M
Ultrasonic Tomograph UST-04M

Application of Ultrasonic Tomograph UST-04M
Application of Ultrasonic Tomograph UST-04M

Areas of Application

The tomography is used in:

  • Responsible equipment.
  • Nuclear power engineering.
  • Rocket-and ship building industry.
  • Diagnostics of water-, heat – and gas pipelines.

The device was certified at Rivne NPP for evaluation of metal degradation in 2008.

Contact Details

Darevych Romana, Bulatov Volodymyr
Organization: Karpenko Physico-Mechanical Institute of the NASU.
Address: 5, Naukova Str., Lviv, 790601, Ukraine.
Tel. 38 (032) 2296575, 38 (032) 2296191, 097-447-48-86.
Fax 38 (032) 2649427.
E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

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