_STP_1360-2000.pdf

STP 1360 Fatigue and Fracture Mechanics:30th Volume Kenneth L.Jerina and Paul C.Paris,editors ASTM Stock Number:STP1360 ASTM 100 Barr Harbor Drive West Conshohocken,PA 19428-2959 Printed in the U.S.A.Copyright by ASTM Intl(all rights reserved);Tue Dec 15 13:13:15 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.ISBN:0-8031-2617-4 ISSN:1040-3094 Copyright?9 2000 AMERICAN SOCIETY FOR TESTING AND MATERIALS,West Conshohocken,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;online:http:l.Peer Review Policy Each paper published in this volume was evaluated by two peer reviewers and at least one editor.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 the peer reviewers.In keeping with long-standing 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 Copyright by ASTM Intl(all rights reserved);Tue Dec 15 13:13:15 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Dedication This volume of proceedings of the 30th National Symposium is dedicated to Edward T.Wessel for his long-standing support of the Symposium series and for his leadership associated with ASTM committee activities.Mr.Wessel began his activities with the E-8 Committee through its predecessor E-24 when it was an ASTM special committee investigating fracture problems associated with the Polaris rocket mo-tor cases in the late 1950s.During that time and to the present,he and the group he led at Westing-house Research Laboratories made many monumental contributions to fracture mechanics.Scores of outstanding research papers from individuals in his research group have been published in the Na-tional Symposium volumes.The hallmark of his leadership was a spirited team effort to understand and advance many aspects of fracture mechanics.Therefore,this dedication is a well-deserved thank you to Edward T.Wessel and is enthusiastically endorsed by all associated with the National Sym-posium series.Edward Wessel(left)with E-8 Chairman Stephen W.Hopkins at the 30th National Symposium ban-quet.Copyright by ASTM Intl(all rights reserved);Tue Dec 15 13:13:15 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Contents Foreword JERRY L.SWEDLOW MEMORIAL LECTURE Elastlc-Plastic Fracture Mechanics:Where Has It Been?Where Is It Going?-J.D.LANDES SESSION I Technical Basis for the Master Curve Concept of Fracture Toughness Evaluations in the Transition Range-o.E.MCCABE,J.G.MERKLE,AND K.WALLIN A Unifying Principle for Evaluating Fracture Toughness in the Elastic and Plastic Regimes with Planar Fracture Specimens-J.R.DONOSO AND J.D.LANDES A Mieromeehanical Evaluation of the Master Curve-M.E.NATISHAN AND M.T.KIRK Method for Predicting J-R Curves from Charpy Impact Energy-P.C.GIO1ELLI,J.D.LANDES,P.C.PARIS,H.TADA,AND L.LOUSHIN Fracture Toughness Testing with Notched Round Bars-c.o.WILSON AND J.D.LANDES SESSION II 3-D Finite Element Modeling of Ductile Crack Growth in Thin Aluminum Materials-A.S.GULLERUD,R.H.DODDS,JR.,R.W.HAMPTON,AND D.S.DAWICKE J-Q-M Approach for Failure Assessment of Fusion Line Cracks:Two-Material and Three-Material Modes-c.THAULOW,Z.ZHANG,O.RANESTAD,AND M.HAUGE Fracture Mechanics Validity Limits and Physical Evidence of Constraint in Fracture-D.M.LAMBERT AND H.A.ERNST The Role of Cohesive Strength and Separation Energy for Modeling of Ductile Fracture-T.SIEGMUND AND W.BROCKS Modeling the Ductile to Cleavage Transition in Steels and Structures-I.c.HOWARD,Z.H.L,M.A.SHEIKH,AND SIRIUS ix 21 34 51 61 69 85 102 115 139 152 Copyright by ASTM Intl(all rights reserved);Tue Dec 15 13:13:15 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.vi CONTENTS A Computational Fracture Mechanics Approach for the Analysis of Facesheet-from-Core Disbond of