_STP_936-1987.pdf

INSTRUMENTED IMPACT TESTING OF PLASTICS AND COMPOSITE MATERIALS A symposium sponsored by ASTM Committee D-20 on Plastics Houston,TX,11-12 March 1985 ASTM SPECIAL TECHNICAL PUBLICATION 936 Sandra L.Kessler,PPG Industries,Inc.G.C.Adams,E.I.du Pont de Nemours&Co.Stephen Burke Driscoll,University of Lowell Donald R.Ireland,Ireland and Associates editors ASTM Publication Code Number(PCN)04-936000-19#1916 Race Street,Philadelphia,PA 19103 Copyright by ASTM Intl(all rights reserved);Thu Dec 31 17:01:19 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Library of Congress Cataloging-in-Publication Data Instrumented impact testing of plastics and composite materials.(ASTM special technical publication;936)ASTM publication code number(PCN)04-936000-19.Includes bibliographies and index.1.PlasticsImpact testingCongresses.2.Composite materialsImpact testingCongresses.I.Kessler,Sandra L.;Adams,G.C;Driscoll,Stephen Burke;Ireland,Donald R.II.ASTM Committee D-20 on Plastics.III.Series.TA455.P5I495 1987 620.19235 86-28692 ISBN 0-8031-0937-7 Copyright by AMERICAN SOCIETY FOR TESTING AND MATERIALS 1986 Library of Congress Catalog Card Number:86-28692 NOTE The Society is not responsible,as a body,for the statements and opinions advanced in this publication.Primed in Baltimore.MD January 1987 Copyright by ASTM Intl(all rights reserved);Thu Dec 31 17:01:19 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Foreword The symposium on Instrumented Impact Testing of Plastics and Compos-ite Materials was held 11-12 March 1985 in Houston,Texas.ASTM Commit-tee D-20 on Plastics was sponsor of the event.The symposium chairman was Sandra L.Kessler,PPG Industries,Inc.,who also served as editor of this publication.Also serving as editors were G.C.Adams,E.I.du Pont de Ne-mours and Co.,Stephen Burke Driscoll,University of Lowell,and Donald R.Ireland,Ireland and Associates.Copyright by ASTM Intl(all rights reserved);Thu Dec 31 17:01:19 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Related ASTM Publications Quality Assurance of Polymer Materials and Products,STP 846(1985),04-846000-19 Physical Testing of Plastics,STP 736(1981),04-736000-19 Wear Tests for Plastics:Selection and Use,STP 701(1980),04-701000-19 Copyright by ASTM Intl(all rights reserved);Thu Dec 31 17:01:19 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.A Note of Appreciation to Reviewers The quality of the papers that appear in this publication reflects not only the obvious efforts of the authors but also the unheralded,though essential,work of the reviewers.On behalf of ASTM we acknowledge with appreciation their dedication to high professional standards and their sacrifice of time and effort.ASTM Committee on Publications Copyright by ASTM Intl(all rights reserved);Thu Dec 31 17:01:19 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.ASTM Editorial Staff Helen P.Mahy Janet R.Schroeder Kathleen A.Greene William T.Benzing Copyright by ASTM Intl(all rights reserved);Thu Dec 31 17:01:19 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Contents Overview METHODOLOGY FOR IMPACT TESTING Instrumented Impact Test Data Interpretation MATTHEW C.CHERESH AND STEVEN McMICHAEL 9 Methodology for Selecting Impact Tests of Composite Materials in Automotive ApplicationsJAMES L.ROCHE AND S.NORM KAKARALA 24 Instrumented Dart Impact Evaluation of Some Automotive Plastics and CompositesCHARLES W.KNAKAL AND DONALD R.IRELAND 44 Evaluation of a Variable-Speed Impact Tester for Analysis of Impact Behavior of Plastics and CompositesM.R.KAMAL,Q.SAMAK,J.PRO VAN,AND VAGAR AHMAD 58 Digital Filtering of Impact DataPATRICK I.CAIN 81 IMPACT TESTING FOR END-USE APPLICATIONS Impact Measurements on Low-Pressure Thermoplastic Structural FoamRICHARD C.PROGELHOF 105 Testing,Simulation,and Interpretation of Materials Impact CharacteristicsWARTAN A.JEMIAN,BOR Z.IANG,AND lYH S.CHOU 117 Experimental Comparison of Several Impact Test Methods S.NORM KAKARALA AND JAMES L.ROCHE 144 Copyright by ASTM Intl(all rights reserved);Thu Dec 31 17:01:19 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Variable-Rate Impact Testing of Polymeric MaterialsA Review STEPHEN BURKE DRISCOLL 163 Prediction of End-Use Impact Resistance of Composites JAMES S.PERARO 187 IMPACT CHARACTERIZATION OF SELECTED MATERIALS Instrumented Impact Testing of Aramid-Reinf orced Composite MaterialsMARILY