ARMY MIL-HDBK-786 VALID NOTICE 1 FIELD ASSURANCE OF ACOUSTIC EMISSION SYSTEM OPERATION USING SIMULATED ACOUSTIC EMISSION EVENTS

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ARMY MIL-HDBK-786 VALID NOTICE 1 Document Information:

Title
FIELD ASSURANCE OF ACOUSTIC EMISSION SYSTEM OPERATION USING SIMULATED ACOUSTIC EMISSION EVENTS

Army Research Laboratory, Weapons and Materials Research Directorate

Publication Date:
May 5, 1993

Scope:

This handbook provides a procedure for assuring the proper operation of an acoustic emission system installed on a field test article. This handbook allows the user:

1. to insure that no degradation of performance has occurred from the laboratory sensor/system calibration upon arrival at the test site;

2. to check for proper sensor installation and coupling to the test article before the test;

3. to provide a method for adjusting all system channels to similar sensitivity levels prior to testing; and

4. to detect any performance changes during the test due to electronic malfunctions or sensor coupling problems.

This handbook relies on the Hsu Pencil Source to provide repeatable simulated acoustic emission events. Full details on the procedure to be followed for the proper use of the Hsu Pencil Source are embodied in 3.2 of this handbook.

Definitions for many terms used in this handbook are contained in MIL-STD-1945.

Keywords:

Acoustic Emission

Field Calibration of Acoustic Emission Systems

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