_STP_1369-2000.pdf

STP 1369 Limitations of Test Methods for Plas tic s James S.Peraro,editor ASTM Stock Number:STP1369 100 Barr Harbor Drive West Conshohocken,PA 19428-2959 Printed in the U.S.A.Library of Congress Cataloging-in-Publication Data Limitations of test methods for plastics/James S.Peraro,editor.IJ.cm.w(STP;1369)ASTM stock number:STP 1369.ISBN 0-8031-2850-9 1.Plastics-Testing.I.Peraro,James S.,1935-I1.American Society for Testing and Materials.TA455.P5 L56 2000 620.19230287-dc21 99-057208 Copyright?9 2000 AMERICAN SOCIETY FOR TESTING AND MATERIALS,West Censhohocken,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,personal,or educational classroom use,or the internal,personal,or educational classroom use of specific clients,is granted by the American Society for Testing and Materials(ASTM)provided that the appropriate fee is paid to the Copyright Clearance Center,222 Rosewood Drive,Danvers,MA 01923;Tel:508-750-8400;on-line:http:/L Peer Review Policy Each paper published in this volume was evaluated by two peer reviewers and the editor.The au-thors addressed all of the reviewers comments to the satisfaction of both the technical editor(s)and the ASTM Committee on Publications.To make technical information available as quickly as possible,the peer-reviewed papers in this pub-lication were prepared camera-ready as submitted by the authors.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 the peer reviewers.In keeping with longstanding publication practices,ASTM maintains the anonymity of the 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 January 2000 Foreword This publication,Limitations of Test Methods for Plastics,contains papers presented at the sympo-sium of the same name held in Norfolk,Virginia,on 1 November 1998.The symposium was spon-sored by ASTM Committee D20 on Plastics.The symposium chairman was James S.Peraro,con-sultant,Newark,Delaware.Contents Overview GENERAL/DESIGN What Does a Property Data Sheet Really Tell You?-s.8.DRISCOLL AND C.M.SHAFFER On the Variation of Compliance Measurements in Polymeric Solids-s.w.8RADLEY,W.L.BRADLEY,AND P.M.PUCKETT Estimation of Lifetime Under Non-Isothermal Conditions-D.BLAZSE AND E.SCHMACHTENBERG Discussion Closure MECHANICAL A Comparison of Tension Test Data Using ASTM D 638 and ISO 527-M.s.FRIDAY Discussion The Usefulness of HDT and a Better Alternative to Describe the Temperature Dependence of Modulus-M.P.SEPE Interpretations of Tensile Properties of Polyamide 6 and PET Based Thermoplastics Using ASTM and ISO Procedures-N.JIA AND V.A.KAGAN Tension Testing of Thin Bulk Adhesive Spedmens-P.ALBRECHT,J.YOU,M.ALBRECHT,AND K.ELEY A Study of Bond Strength Testing for Solvent Cement Joints in PVC Piping Systemsj.R.PASCHAL Discussion IMPACT/FRACTURE Notched Impact Testing of Thermoplastics:A New Perspeetive-P.s.LEEVERS AND M.DOUGLAS Instrumented Pendulum Impact Testing of Plastics-M.v.MANAHAN,SR.,C.A.CRUZ,JR.,AND H.E.YOHN vii 10 22 30 31 35 43 44 54 72 93 106 109 118 Development of a Standard for Determining KIC and GIC for Plastics at High Loading Rates:the ESIS Protocol for 1 ntis Testing-A.PAVAN AND J.G.WILLIAMS PENT-Universal Test for Slow Crack Growth in Plasties-N.BROWN AND X.LU CHEMICAI.RHEOLOGICAL Temperature Measurements in TGA-M.KELSEY AND J.FOREMAN Pitfalls in Measurement of non-Newtonian Materials-p.wHrrrINGSTALL Factors Affecting the Accuracy of TMA Measurements-J.FOREMAN,M.KELSEY,AND G.WIDMANN Acetone Immersion Testing per ASTM Test Method D2152-J.nOULE Reinforced Epoxy Resin Cure Assessment in Composite Materials:Measure and Effects-G.zagoNI,c.ChVPELLEL S.CUERV,AND S.VaSZTrI Indexes 130 146 157 167 181 197 206 219 Overview Testing is the means by which information(data)is developed on materials or products,and tests have been used for over 2000 years to provide a wide range of technical information describing a ma-terials properties and characteristics.The first published test standard for plastics was written by ASTM Committee D20 in 1937.The early published test standards were simple in form and compo-sition.Test methods were usually generic and written for the limited number of the then-known poly-meric materials.They addressed all material types and were used for the determination of traditional properties such as tensile,flex,impact,and flammability.As polymers evolved into a vast array of polymer types,all different in structure and properties,so have test methods.ASTM standards are no longer those simple documents prepared when plastics were the new curious materials,but have con-tinued to evolve as the tech