_STP_1231-1994.pdf

STP 1231 Automation in Fatigue and Fracture:Testing and Analysis Claude Amzallag,Editor ASTM Publication Code Number(PCN):04-012310-30 ASTM 1916 Race Street Philadelphia,PA 19103 Printed in the U.S.A.Copyright by ASTM Intl(all rights reserved);Wed Dec 23 19:20:12 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Library of Congress Cataloging-in-Publication Data Automation in fatigue and fracture:testing and analysis/Claude Amzallag,editor.(STP:1231)ASTM publication code number(PCN)04-012310-30.Includes bibliographical references and index.ISBN 0-8031-1985-2 1.Materials-Testing-Automation.2.Materials-Fatigue.3.Fracture mechanics.I.Amzallag,C.II.Series:ASTM special technical publication:1231.TA410.A84 1994 620.1 126-dc20 94-36845 CIP Copyright?9 1994 AMERICAN SOCIETY FOR TESTING AND MATERIALS,Philadelphia,PA.All rights reserved.This material may not be reproduced or copied,in whole or in part,in any printed,mechanical,electronic,film,or other distribution and storage media,without the written consent of the publisher.Photocopy Rights Authorization to photocopy items for internal or personal use,or the interna or personal use of specific clients,is granted by the AMERICAN SOCIETY FOR TESTING AND MATERIALS for users registered with the Copyright Clearance Center(CCC)Transactional Reporting Service,provided that the base fee of$2.50 per copy,plus$0.50 per page is paid directly to CCC,222 Rosewood Dr.,Danvers,MA 01923;Phone:(508)750-8400;Fax:(508)750-4744.For those organizations that have been granted a photocopy license by CCC,a separate system of payment has been arranged.The fee code for users of the Transactional Reporting Service is 0-8031-1985-2/94$2.50+.50.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 to time and effort on behalf of ASTM.Printed in Fredericksburg,VA December 1994 Copyright by ASTM Intl(all rights reserved);Wed Dec 23 19:20:12 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Foreword The International Symposium on Automation in Fatigue and Fracture:Testing and Analysis,was held 15-17 June 1992 in Paris,France.It was cosponsored by the:Societe Francaise de Metallurgie et de Materiaux(SF2M),Committee on Fatigue,France;and American Society for Testing and Materials(ASTM),Committee E9 on Fatigue,USA.Also offering valuable cooperation were the:Society of Automotive Engineers(SAE);Fatigue Design and Evaluation Committee,USA;Engineering Integrity Society(EIS),UK;and National Research Institute for Metals(NRIM),Japan.The Symposium was an extension of the series of International Spring Meetings of SF2M.This publication is a result of this symposium.Claude Amzallag,IRSID-Unieux,France,is the editor.Acknowledgment The Organizing Committee,who helped develop the program and provide session chairmen and reviewers,are acknowledged for their assistance.Ms.Gail Leese,(PACCAR Technical Center,USA)and Dr.Dale Wilson(Tennessee Technical University,USA)helped shape the symposium,provide reviewers,and graciously offered their time in reviewing papers.In addition to the help of the technologists cited above,the editor wishes to express gratitude to the staff members of SF2M and ASTM,particularly Yves Franchot,SF2M,who handled the administration of the symposium.Copyright by ASTM Intl(all rights reserved);Wed Dec 23 19:20:12 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Contents Overview 1 AUTOMATED TESTING SYSTEMS AND METHODS A Historical Overview and Discussion of Computer-Aided Materials Testing-A.A.BRAUN General Purpose Software for Fatigue Testing-s.DHARMAVASAN AND S.M.C.PEERS 18 A Sampling of Mechanical Test Automation Methodologies Used in a Basic Research Laboratory-G.A.HARTMAN,N.E.ASHBAUGH,AND D.J.BUCHANAN 36 Computer Applications in Full-Scale Aircraft Fatigue Tests-R.L.HEWITT AND R.S.RUTLEDGE 51 Microprocessor-Based Controller for Actuators in Structural Testing-R.SUNDER AND C.S,VENKATESH 70 An Automated Image Processing System for the Measurement of Short Fatigue Cracks at Room and Elevated Temperatures-L.Yl,R.A,SMITH,AND L.GRABOWSKI 84 Computer-Aided Laser Interferometry for Fracture Testing-A.K.MAJI AND J.WANG 95 Automated Data Acquisition and Data Bank Storage of Mechanical Test Data:An Integrated Approach-G.BRACKE,J.BRESSERS,M.STEEN,AND H.H.OVER 108 Sampling Rate