Dunegan Engineering provides engineering and manufacturing expertise in acoustic emission sensors, instruments, testing and training.

Products & Services

• • Acoustic Emission
  • Ae
  • Ae Sensors
  • Aesmart 2000 Instrument
  • Crack Detection
• • Crack Location
  • Termite Detection
  • Termite Location
  • Termite Tracker Instrument

Web Result

Abrasive Flow Machining

Proceedings of the 2000 Japan-USA Flexible Automation Conference July 23-26, 2000, Ann Arbor, Michigan 2000JUSFA-13143 A NEW ACOUSTIC EMISSION MONITORING TECHNIQUE FOR ABRASIVE FLOW MACHINING Robert E. Williams Associate Professor Industrial and Management Systems Engineering Dept. University of Nebraska-Lincoln Lincoln, NE Harold L. Dunegan President Dunegan Engineering Company, Inc. San Juan Cap...

http://www.deci.com/abrasive.htm

Fatigue Testing of Specimens...

DECI NEWSLETTERS AND REPORTS 1998-09-25 DNL Infrastructure Technologies Inc. Fatigue Testing of Specimens from the Mason Creek Bridge (A Preliminary Summary Report) INTRODUCTION This is a preliminary summary report describing fatigue testing conducted by the Transportation Technology Center, Inc. (TTCI) of the Association of American Railroads on cracked girder specimens from a span of the Mason C...

http://www.deci.com/dnlreport.htm

High Sensitivity High...

DECI NEWSLETTERS AND REPORTS DECI NEWSLETTERS AND REPORTS HIGH SENSITIVITY HIGH FIDELITY TRANSDUCER It is no longer necessary to use a high frequency damped ultrasonic type transducer to achieve high fidelity performance for AE testing. Nor is it necessary to sacrifice 20dB of sensitivity one normally encounters when using such a transducer. Over the past several years we have been actively pursui...

http://www.deci.com/hshf.htm

Modal Analysis of Acoustic...

DECI NEWSLETTERS AND REPORTS MODAL ANALYSIS OF ACOUSTIC EMISSION SIGNALS H.L. Dunegan October, 1997 INTRODUCTION Over three decades ago Worlton published his paper (Ref 1) "Experimental Confirmation of Lamb Waves at Megacycle Frequencies". This work was received with great enthusiasm by researchers using ultrasonic techniques for Nondestructive Testing, and the results of this work finds continuin...

http://www.deci.com/oct97.htm

PUBLICATIONS BY H.L. DUNEGAN

HOME WHAT'S NEW EARTHQUAKE PREDICTION DECI TRANSDUCERS & INSTRUMENTATION ABOUT ACOUSTIC EMISSION DECI NEWSLETTERS AND REPORTS UPCOMING CONFERENCES LOG-IN: COMMENTS & QUESTIONS PUBLICATIONS H.L. Dunegan "Location of Leaks in Pipes By Use of Acoustic Emission Modal Ratio Techniques" DECI Publication, December 2004. "Elimination of Extraneous Noise Sources From Acoustic Emission Based Termite...

http://www.deci.com/publications.html

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