Explain how defects in a metal block can be detected using ultrasound?
Answers
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Your answer
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DEFECTS ARE DETECTED IN METAL BLOCKS BY USING ULTRASOUND.
IN THIS, ULTRASONIC WAVES ARE ALLOWED TO PASS THROUGH A METAL BLOCK AND DETECTORS ARE USED TO DETECT THE TRANSMITTED WAVES. IF THERE IS EVEN A SMALL DEFECT, THE ULTRASOUND GETS REFLECTED BACK INDICATING THE PRESENCE OF THE FLAW OR DEFECT.
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Ultrasound waves or pulses are designed to cross one side of the metal block and detectors of ultrasound are mounted on the opposite side of the block to identify the ultrasound transmitted.
Explanation:
Ultrasound waves or pulses are designed to cross one side of the metal block and detectors of ultrasound are mounted on the opposite side of the block to identify the ultrasound transmitted. By doing so, we have two options:
(i) When the ultrasound pulses or waves travel into all areas of the metal block untouched, then the block is perfect.
(ii) When ultrasound waves can't pass through a section of the block of metal and can get reflected back, then the metal block has a fault.
Thus the fault can be found without damaging the block of metal.
To know more about ultrasound, visit:
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