_STP_711-1980.pdf

CRACK ARREST METHODOLOGY AND APPLICATIONS A symposium sponsored by ASTM Committee E-24 on Fracture Testing of Metals AMERICAN SOCIETY FOR TESTING AND MATERIALS Philadelphia,Pa.,6-7 Nov.1978 ASTM SPECIAL TECHNICAL PUBLICATION 711 G.T.Hahn,Vanderbilt University,and M.F.Kanninen,Battelle Columbus Laboratories,editors List price$44.75 04-711000-30 AMERICAN SOCIETY FOR TESTING AND MATERIALS 1916 Race Street,Philadelphia,Pa.19103 Copyright by ASTM Intl(all rights reserved);Mon Dec 21 11:59:50 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Copyright by AMERICAN SOCIETY FOR TESTING AND MATERIALS 1980 Library of Congress Catalog Card Number:79-56317 NOTE The Society is not responsible,as a body,for the statements and opinions advanced in this publication.Printed in Baltimore.Md.June 1980 Copyright by ASTM Intl(all rights reserved);Mon Dec 21 11:59:50 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Foreword The symposium on Crack Arrest Methodology and Applications was presented at Philadelphia,Pa.,6-7 Nov.1978.ASTM Committee E-24 on Fracture Testing of Metals sponsored the symposium.G.T.Hahn,Vander-bilt University,presided as symposium chairman.G.T.Hahn and M.F.Kanninen,Battelle Columbus Laboratories,are editors of this publication.Copyright by ASTM Intl(all rights reserved);Mon Dec 21 11:59:50 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Related ASTM Publications Fracture Mechanisms Applied to Brittle Materials,STP 678(1979),$25.00,04-678000-30 Fracture Mechanics,STP 677(1979),$60.00,04-677000-30 Fast Fracture and Crack Arrest,STP 627(1977),$42.50,04-627000-30 Cracks and Fracture,STP 601(1976),$51.75,04-601000-30 FractographyMicroscopic Cracking Process,STP 600(1976),$27.50,04-600000-30 Mechanics of Crack Growth,STP 590(1976),$45.25,04-590000-30 Copyright by ASTM Intl(all rights reserved);Mon Dec 21 11:59:50 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.A Note ot Appreciation to Reviewers This publication is made possible by the authors and,also,the unheralded efforts of the reviewers.This body of technical experts whose dedication,sacrifice of time and effort,and collective wisdom in reviewing the papers must be acknowledged.The quality level of ASTM publications is a direct function of their respected opinions.On behalf of ASTM we acknowledge with appreciation their contribution.ASTM Committee on Publications Copyright by ASTM Intl(all rights reserved);Mon Dec 21 11:59:50 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Editorial Staff Jane B.Wheeler,Managing Editor Helen M.Hoersch,Associate Editor Helen Mahy,Assistant Editor Copyright by ASTM Intl(all rights reserved);Mon Dec 21 11:59:50 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Contents Introduction 1 COMPUTATIONAL AND EXPERIMENTAL METHODS FOR THE ANALYSIS OF DYNAMIC CRACK PROPAGATION AND ARREST A Dynamic Viscoelastic Analysis of Cracli Propagation and Cracii Arrest in a Double Cantilever Beam Test Specimenc.H.POPELAR AND M.F.KANNINEN 5 A Model for Dynamic Crack Propagation in a Double-Torsion Frac-ture Specimenc.H.POPELAR 24 Fast Fracture Simulated by Conventional Finite Elements:A Comparison of Two Energy-Release Algorithmsj.F.MAL-LUCK AND W.W.KING 38 The SMF2D Code for Proper Simulation of Crack Propaga-tionM.SHMUELY AND M.PERL 54 Dynamic Fracture Analysis of Notched Bend Specimenss.MALL,A.S.KOBAYASHI,AND F.J.LOSS 70 FUNDAMENTAL ISSUES IN DYNAMIC CRACK PROPAGATION AND CRACK ARREST ANALYSIS Influence of Specimen Geometry on Crack Propagation and Arrest ToughnessL.DAHLBERG,F.NILSSON,AND B.BRICKSTAD 89 Experimental Analysis of Dynamic Effects in Different Crack Arrest Test Specimensj.F.KALTHOFF,J.BEINERT,S.VHNKLER,AND W.KLEMM 109 Comparison of Crack Behavior in Homalite 100 and Araldite Bi.T.METCALF AND TAKAO KOBAYASHI 128 Some Effects of Specimen Geometry on Crack Propagation and ArrestR.S.GATES 146 A Dynamic Photoelastic Study of Crack Propagation in a Ring Specimenj.w.DALLY,A.SHUKLA,AND TAKAO KOBAYASHI 161 Copyright by ASTM Intl(all rights reserved);Mon Dec 21 11:59:50 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Fast Fracture:An Adiabatic Restriction on Thermally Activated Crack Propagations.i.BURNS 178 TEST METHODS FOR MEASURING DYNAMIC FRACTURE PROPERTIES FOR USE IN A CRACK ARREST METHODOLOGY Dynamic Photoelastie Determination of the a-K Relation for 4340 Alloy SteelTAKAO KOB