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Defects in metal can be detected using various non-destructive testing (NDT) methods, such as ultrasonic testing, radiographic testing, and magnetic particle testing. Ultrasonic testing utilizes high-frequency sound waves to identify internal flaws, while radiographic testing employs X-rays or gamma rays to reveal structural inconsistencies. Magnetic particle testing is effective for detecting surface and near-surface defects in ferromagnetic materials by applying a magnetic field and using ferrous particles to highlight discontinuities. Each method offers unique advantages depending on the type of metal and the nature of the defects being assessed.

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3w ago

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