_STP_1077
1991
STP 1077 Acoustic Emission:Current Practice and Future Directions Wolfgang Sachse,James Roget,and Kusuo Yamaguchi,editors ASTM 1916 Race Street Philadelphia,PA 19103 Copyright by ASTM Intl(all rights reserved);Sun Dec 27 14:30:27 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Library of Congress Cataloging-in-Publication Data Acoustic emission:current practice and future directions/Wolfgang Sachse,James Roget,and Kusuo Yamaguchi,editors.(STP;1077)Papers presented at a symposium on world meeting on acoustic emission,held in Charlotte,NC,on 20-23 March 1989,and sponsored by AEWG.ASTM publication code number(PCN)04-010770-22.Includes bibliographical references and indexes.ISBN 0-8031-1389-7 1.Acoustic emission testing.I.Sachse,Wolfgang,1942-II.Roget,James,1949-III.Yamaguchi,K.(Kusuo).IV.AEWG(Association).V.Series:ASTM special technical publication:1077.TA418.84.A2573 1991 620.2-dc20 90-25872 CIP Copyright?9 1991 by the American Society for Testing and Materials.All rights reserved.No part of this publication may be reproduced,stored in a retrieval system,or transmitted,in any form or by any means,electronic,mechanical,photocopy,recording,or otherwise,without prior written permission of the publisher.NOTE The Society is not responsible,as a body,for the statements and opinions advanced in this publication.Peer Review Policy Each paper published in this volume was evaluated by three peer reviewers.The authors addressed all of the reviewers comments to the satisfaction of both the technical editor(s)and the ASTM Committee on Publications.The quality of the papers in this publication reflects not only the obvious efforts of the authors and the technical editor(s),but also the work of these peer reviewers.The ASTM Committee on Publications acknowledges with appreciation their dedication and contribution of time and effort on behalf of ASTM.Printed in Baltimore,MD February 1991 Copyright by ASTM Intl(all rights reserved);Sun Dec 27 14:30:27 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Foreword This publication,Acoustic Emission:Current Practice and Future Directions,contains papers presented at the symposium on World Meeting on Acoustic Emission held in Char-lotte,NC on 20-23 March 1989.The symposium was sponsored by AEWG.Co-sponsoring groups were ASTM Committee E-7 on Nondestructive Testing,ASNT,IEEE,and SEM.Professor Wolfgang Sachse of Cornell University,Dr.James Roget of Nordon and CIE,and Professor Kusuo Yamaguchi of the University of Tokyo,presided as symposium chair-man.They are also editors of this publication.Copyright by ASTM Intl(all rights reserved);Sun Dec 27 14:30:27 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Contents Overview-w.SACHSE,K.YAMAGUCHI,AND J.ROGET 1 AE SENSORS AND SYSTEMS The General Problems of AE Sensors-v.HIGO AND H.INABA 7 Stress Wave Sensing-Affordable AE for Industry-T.J.HOI,ROYD,T.E.TRACIY,N.RANDALL,AND S.D.KING 25 Monitoring Electron Beam Welding Process Using Electro-Magnetic Acoustic Transducers(EMATs)-H.A.CROSTACK,H.J.STORP,AND P.BOHM 35 AE SOURCES AND WAVE PROPAGATION Development and Future Aspects in AE Source Characterization-M.ENOKI AND 1.KISHI 47 Joule Heating Line and Point AE Sources and the Adhesion of Thin Metal Films-K.Y.KIM AND W.SACHSE 67 A Calibration Source for Acoustic Emission Analysis-c.R.HEIII.E,S.tI.CARPENTER,AND S.S.CHRISTIANSEN 77 Simultaneous Velocity Tomography and Source Location of Synthetic Acoustic Emission Data-s.C.MAXWEI,L,R.P.YOUNG,AND D.A.HUTCHINS$6 Acousto-Ultrasonics:An Update-A.VARY 95 Theoretical Basis of the Acousto-Ultrasonic Method-M.T.KIERNAN AND J.C.DUKE,JR.105 SIGNAl,PROCESSING APPROACHES Acoustic Emission Technology Using Multi-Parameter Analysis of Waveform and Application to GFRP Tensile Tests-K.YAMAGUCHI,H.OYA1ZU,J.JOHKAJI,AND Y.KOBAYASH1 123 Acoustic Emission Detection of Crack Presence and Crack Advance During Flight s.L.MCBRIDE,M.D.POLLARD,J.D.MaCPHAII,P.S.BOWMAN,AND I),T.PETERS 146 Structural Integrity Evaluation Using AE Tcchuiques-B.R.A.WOOD AND R.W.HARRIS 156 Solving AE Problems by a Neural Network-l.GRABEC,W.SACIISE,AND E.GOVEKAR 165 STRUCTURAL MONITORING APPI.ICATIONS Periodic Inspection of Compressed Gas Cylinders and Transport Vessels by Using Acoustic Emission Testing-H.M.BARTItIh.MY 185 Copyright by ASTM Intl(all rights reserved);Sun Dec 27 14:30:27 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Detectability of Defects in Reactor Pressure Components by Location and Interpretation of AE-Sources-c.SKLARCZYK AND E.WASCHKIES 199 DEFORMATION STUDIES Effect of Pre-Exposure to Water on the Acoustic Emission Behavior of 2091-T3 AI-Li AIIoy-