UD-22UM FLAW DETECTOR FOR THE INSPECTION OF MATERIALS WITH LARGE ULTRASONIC ATTENUATION.

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作者
Gol'den, A.D.
Bulgakov, V.E.
Gimpel'son, V.B.
Burd, M.B.
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| 1978年 / 14卷 / 05期
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A small-scale ultrasonic flaw detector of the type UD-22UM was developed for the nondestructive testing of plastics, glass-reinforced plastics, black-reinforced plastics, and other materials having a large ultrasonic attenuation factor. The flaw detector is capable of disclosing segregate, cracks and foreign inclusions and of measuring their depth in testpieces with thicknesses up to 200 mm at ultrasonic velocities from 2000 to 5000 m/sec.
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页码:467 / 468
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