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Title: Method and means for measuring acoustic emissions

Patent ·
OSTI ID:862436

The detection of acoustic emissions emanating from an object is achieved with a capacitive transducer coupled to the object. The capacitive transducer is charged and then allowed to discharge with the rate of discharge being monitored. Oscillations in the rate of discharge about the normally exponential discharge curve for the capacitive transducer indicate the presence of acoustic emissions.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
DOE Contract Number:
W-31109-ENG-38
Assignee:
United States of America as represented by United States Energy (Washington, DC)
Patent Number(s):
US 3930405
Application Number:
05/506,819
OSTI ID:
862436
Country of Publication:
United States
Language:
English