Hardness measurements

  • Hardness measurement is given and analyzed on the basis of ultrasonic wave reflection (UCI method - Ultrasonic Contact Impedance).
  • Assessment of the degree of degradation of materials, the correctness of the heat treatment of materials or the quality of the welds.

Hardness measurements are one of the most frequently used methods that allow to assess the mechanical properties of materials. Unlike stationary hardness testers, where hardness is defined on the basis of optical measurement of impressions formed by penetration of an indenter, the UCI (Ultrasonic Contact Impedance) method is used in portable hardness testers. A special probe ended with a diamond indenter, which is equipped with a vibrating rod, is pressed into the tested material. Hardness measurement is given and analyzed on the basis of ultrasonic wave reflection. Performing hardness measurements may be useful to assess the degree of material degradation, the correctness of heat treatment of materials or the quality of the welds.

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