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Guided wave method

This unique non-destructive testing method is used to scan pipelines with restricted access. It is a valuable tool in technical inspections and in detecting structural defects, discontinuities or external as well as internal cracks. This method employs acoustic waves which propagate along a pipeline until they are reflected from an obstacle and then return to […]

Acoustic emission testing (AT)

AT technique is used to evaluate technical condition of a construction in operational settings. The monitoring inspection takes place during regular operations of a construction or equipment. The main advantage of AT is its holistic nature. Appropriate placement of sensors allows the user to detect construction defects over the entire tested object. This method is […]

Magnetic particle testing (MT)

Magnetic particle testing is used to detect surface and large, shallow subsurface discontinuities using electromagnetic field dispersion. To perform MT, surfaces need to be cleaned and oil must be removed. Subsequently, surfaces are magnetized and a dry or wet magnetic suspension is applied enabling an inspection to take place. The surface is then demagnetized and […]

Eddy current testing ET

Eddy current testing is relatively least used inspection method, which allows to detect surface and subsurface defects. The main advantage of the method is that ET is a very sensitive and quick to perform. During ET testing, the inspected material is excited with alternating electrical current. Resulting reaction data from the material is subsequently received […]

Radiographic testing RT

Radiographic testing is used to detect defects throughout the volume of an inspected element. This method is the most precise non-destructive test. The RT is based on absorption of X-rays and gamma rays by examined materials. RTs produce radiographic images, which can be stored on film or digitally. Images are projected as a two-dimensionally representation […]

Penetration testing PT

Penetration testing is used to detect surface defects of materials, such as cracks, dissections, lappings or non-welds. This method is based on the capillary effect, that is on a liquid penetrating and filling up tight and non-accessible areas. The penetration liquids are intended to infiltrate surface apertures. After a specified time, excess substance is removed […]

Hardness measurements

Hardness measurements are one of the most common methods used to evaluate mechanic properties of materials. Unlike stationary hardness testers, where hardness is determined based on an optical measurement of indentation, portable hardness testers utilize the Ultrasonic Contact Impedance method. Special probe with a diamond indenter and a vibrating rod is pressed into the material. […]

Ferrite content measurements (FE)

Ferrite remains one of the most popular type of construction materials. However, using austenitic, duplex or plated steel may cause several technological and metallurgical problems. Ferrite content measurements are used to inspect welded connections on these groups of steel by using magnetic induction properties. The ferrite content is determined based on magnetic permeability of a […]

Positive Materials Identification

Identification inspections of materials are conducted to check the compliance of used materials with the project’s design. These inspections are conducted by inducing and identifying atom-specific radiation. Energy analysis of the resulting spectrum allows for qualitative and quantitative characterization of materials, which form a given element.