UT and PT in the titanium processing

Flaw detection in titanium materials is a crucial step in the production process. The final product will be inspected as soon as it leaves the plant. The most widely utilized method of preventing internal faults in titanium materials is ultrasonic inspection, which varies depending on the needs of the client and product standards.

Ultrasonic inspection is a sound-based inspection method that can detect internal defects of welded parts, such as pores, cracks, inclusions and pores. . By measuring the relative change signal and amplitude, ultrasonic detection can be used to measure the size of the material or weld defects or attenuation. The basic idea behind ultrasonic detection is to use ultrasonic propagation speed and reflection mode in various materials to detect defects.

Penetration inspection is a vision-based inspection method, which is suitable for detecting surface defects such as cracks, inclusions and burrs.

flaw detection

Spray the dye penetrate evenly on the welding surface,let it sit for ten to fifteen minutes before cleaning it. Then the developer is applied, and it is left on for seven to ten minutes, applying it thinly and evenly. More than 1000Lx of white light illumination is required to detect flaws through microscopic or visual inspection.

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Comparison of the advantages and disadvantages of PT and UT

  1.  Disadvantages of Penetrate inspection.

    PT operation is more troublesome, and only surface defects can be detected, but deep defects cannot be found.

  2. Advantages and disadvantages of ultrasonic inspection.

    Ultrasonic inspection can detect internal defects of welded parts with higher accuracy, depth and reliability. However, ultrasonic inspection requires professional technicians and expensive equipment, and the cost is high.

In the production process of titanium materials, PT and UT are common non-destructive testing methods. PT mainly detects surface cracks and burrs and other defects, while ultrasonic detection can detect high-precision defects inside the welding, with higher accuracy, depth and reliability. In practical applications, the appropriate detection method can be selected according to the situation to ensure that the product meets customer requirements

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