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Title: Method and means for measuring acoustic emissions

Abstract

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.

Inventors:
 [1]
  1. (Holts Summit, MO)
Issue Date:
Research Org.:
Argonne National Laboratory (ANL), Argonne, IL
OSTI Identifier:
862436
Patent Number(s):
3930405
Application Number:
05/506,819
Assignee:
United States of America as represented by United States Energy (Washington, DC)
Patent Classifications (CPCs):
G - PHYSICS G01 - MEASURING G01H - MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
DOE Contract Number:  
W-31109-ENG-38
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
method; means; measuring; acoustic; emissions; detection; emanating; achieved; capacitive; transducer; coupled; charged; allowed; discharge; rate; monitored; oscillations; normally; exponential; curve; indicate; presence; acoustic emission; acoustic emissions; capacitive transducer; transducer coupled; /73/

Citation Formats

Renken, Jr., Claus J. Method and means for measuring acoustic emissions. United States: N. p., 1976. Web.
Renken, Jr., Claus J. Method and means for measuring acoustic emissions. United States.
Renken, Jr., Claus J. Tue . "Method and means for measuring acoustic emissions". United States. https://www.osti.gov/servlets/purl/862436.
@article{osti_862436,
title = {Method and means for measuring acoustic emissions},
author = {Renken, Jr., Claus J.},
abstractNote = {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.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1976},
month = {1}
}

Patent:

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