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non-destructive testing equipment
Ultrasonic testing (UT) is a family of non-destructive testing techniques based on the propagation of ultrasonic waves in the object or material tested. In most common UT applications, very short ultrasonic pulse-waves with center frequencies ranging from 0.1-15 MHz, and occasionally up to 50 MHz, are transmitted into materials to detect internal flaws or to characterize materials.

Advantages
• High penetrating power, which allows the detection of flaws deep in the part.
• High sensitivity, permitting the detection of extremely small flaws.
• In many cases only one surface needs to be accessible.
• Greater accuracy than other nondestructive methods in determining the depth of internal flaws and the thickness of parts with parallel surfaces.
• Some capability of estimating the size, orientation, shape and nature of defects.
• Some capability of estimating the structure of alloys of components with different acoustic properties
• Non hazardous to operations or to nearby personnel and has no effect on equipment and materials in the vicinity.
• Capable of portable or highly automated operation.
• Results are immediate. Hence on the spot decisions can be made.