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ACOUSTIC EMISSION (AE) IN CONNECTION WITH THE DEVELOPMENT OF SUPERCONDUCTING MAGNETS.

[In Japanese. / En japonais.]

Author(s) : MAEDA H.

Type of article: Article

Summary

APPLICATION OF AE MEASUREMENT TO THE SUPERCONDUCTING MAGNET IS REVIEWED. 4 KINDS OF APPLICATIONS ARE AVAILABLE: (A) SIMULTANEOUS MEASUREMENT OF AE AND COIL VOLTAGE, WHICH IS USED TO IDENTIFY THE QUENCH ORIGIN ; (B) MEASUREMENT OF AE COUNT RATE DURING COIL CHARGING, APPROPRIATE TO RECOGNIZE THE GENERAL TREND OF MECHANICAL DISTURBANCE OCCURRENCE IN THE MAGNET ; (C) SPECTRUM ANALYSIS OF AN AE SIGNAL GENERATED BY A VIBRATOR WHICH IS SUITABLE FOR LONG RANGE DIAGNOSIS OF THE MAGNET SYSTEM ; (D) LOCATION OF ELECTRICAL BREAKDOWN OF INSTRUMENTATION WIRES.

Details

  • Original title: [In Japanese. / En japonais.]
  • Record ID : 1987-2083
  • Languages: Japanese
  • Source: Cryogenics/ Cryog. Eng. - vol. 22 - n. 1
  • Publication date: 1987
  • Document available for consultation in the library of the IIR headquarters only.

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