Head:

Assoc. Prof. Jacek Szelążek, Ph.D., Dr habil.

phone: +48 22 826 12 81 ext. 242

room: 539

e-mail: jszela@ippt.gov.pl

Secretary:

Zofia Grzechnik

phone: +48 22 826 96 15; +48 22 826 12 81 ext. 164

room: 429

e-mail: Zofia.Grzechnik@ippt.gov.pl

The Department has three Divisions:

• Acoustoelectronics (Assoc. Prof. Piotr Kiełczyński, Ph.D., Dr habil.)
• Acoustic Emission Signal Analysis (Assoc. Prof. Zbigniew Ranachowski, Ph.D., Dr habil.)
  
• Ultrasonic Testing of Materials (Assoc. Prof. Jacek Szelążek, Ph.D., Dr habil.)

and

• Laboratory of Surface Waves (Prof. Eugeniusz Danicki, Ph.D., Dr habil.)

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Staff:

Professor:

Eugeniusz Danicki, Ph.D., Dr habil.

Associate Professors:

Piotr Kiełczyński, Ph.D., Dr habil.

Zbigniew Ranachowski, Ph.D., Dr habil.

Jacek Szelążek, Ph.D., Dr habil.

Senior Researchers:

Sławomir Mackiewicz, Ph.D.

Przemysław Ranachowski, Ph.D.

Jurij Tasinkiewicz, Ph.D.

Andrzej Balcerzak, Ph.D.

Piotr Gutkiewicz, Ph.D.

Graduates:

Andrzej Brokowski, M.Sc.

Tomasz Dębowski, M.Sc.

Marek Szalewski, M.Sc.

Krzysztof Mizerski

Technical staff:

Tomasz Dominiewski, Tech.

Tadeusz Krasicki, Tech.

Jacek Ściborowski, Tech.

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Current Research Activities:

• Application of ultrasonic methods for materials testing:
  • non-destructive testing of materials and technical objects,
  • ultrasonic stress evaluation,
  • design of sensors and equipment.
• Investigation of microplastic effects and formation of dislocation systems in ceramics and composites.
• Development of new diagnostic methods of testing of materials and objects with application of acoustic emission method.
• Wave phenomena in materials and planar structures:
  • investigation of diffraction, electromagnetic and acoustic scattering in anisotropic media,
  • coupled electro-mechanical waves in piezoelectrics,
  • theory of planar distributed transducers of surface, subsurface and bulk waves,
  • modeling of electro-mechanical devices for radioelectronics with experimental verification.
• Ultrasonic sensors for investigations of the physical properties of materials (solids and liquids):
  • measurements of liquid viscosity under high pressures,
  • application of the SH bulk and surface acoustic waves (Love and Bleustein-Gulyaev) for investigation of the rheological parameters of liquids,
  • acoustic sensors for detection and measurement of the concentration of the flammable and hazardous,
  • determination of the elastic parameters of thin solid films.

Key Words:

• ultrasonic waves, acoustic surface waves, shear waves, acoustic emission, ultrasonic measurements, nondestructive testing, digital processing of acoustic signals, phase transition, sol-gel processes, gelation, food quality testing, ultrasonic transducers, nanolayers, structure of ceramic materials, elastic constants of ceramics, piezoelectric ceramics, computer software for nondestructive testing, punching of steel, friction processes, acoustic chemical sensors, viscosity of liquid systems, acoustic properties of liquid crystals, monitoring of technological processes using acoustic emissions, acoustic, setup for measurements, Langmuir-Blodgett films, polish speech synthesis, rehabilitation of speech, speech pathology, electromagnetic waves/signals - propagation and diffraction, surface acoustic waves, transducers of surface waves, piezoelectrics, thermoelastic waves in composites, thermodiffusion, thermo-piezoelectric composites