1、STP 1256 Fracture Mechanics:26th Volume Walter G.Reuter,John H.Underwood,and James C.Newman,Jr.,Editors ASTM Publication Code Number(PCN)04-012560-30 ASTM 100 Barr Harbor Drive West Conshohocken,PA 19428-2959 Printed in the U.S.A.Copyright by ASTM Intl(all rights reserved);Wed Dec 23 19:26:25 EST 20
2、15Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.ISBN:0-8031-1996-8 ASTM Publication Code Number(PCN):04-012560-30 ISSN:1040-3094 Copyright?9 1995 AMERICAN SOCIETY FOR TESTING AND MATERIALS,Philadelphia,PA.All
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4、nal 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.,Da
5、nvers,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 0-8031-1996-8/95$2.50+.50.Peer Review Policy Each paper publi
6、shed 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.To make technical information available as quickly as possible,the peer-reviewed papers in this publ
7、ication 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 these peer reviewers.The ASTM Committee on Publications acknowledges with appreciation th
8、eir dedication and contribution to time and effort on behalf of ASTM.Printed in Philadelphia December 1995 Copyright by ASTM Intl(all rights reserved);Wed Dec 23 19:26:25 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproduct
9、ions authorized.Foreword The Twenty-Sixth National Symposium on Fracture Mechanics was held June 28-30,1994 in Idaho Falls,ID.ASTM Committee E08 on Fatigue and Fracture was the sponsor.The individuals responsible for organizing the meeting consisted of W.G.Reuter,Idaho National Engineering Laborator
10、y(Lockheed Martin Idaho Technologies),who served as the symposium chairman,J.C.Newman,Jr.,NASA Langley Research Center,J.H.Underwood,Army Armament Research/Development and Engineering Center,and Linda L.Reuter,Idaho Falls,ID,who was responsible for developing the womens program and locating the banq
11、uet speaker.The symposium chairman would like to express his appreciation to Dorothy A.Cullen at the Idaho National Engineering Laboratory for all her support during the planning of the symposium and the publishing of the STP.The publication was edited by W.G.Reuter,J.H.Underwood,and J.C.Newman,Jr.C
12、opyright by ASTM Intl(all rights reserved);Wed Dec 23 19:26:25 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Table of Contents Overview xi PROFESSOR J.L.SWEDLOW MEMORIAL LECTURE Patterns and Perspectiv
13、es in Applied Fracture Mechanics-J.G.MERKLE CONSTRAINT CRACK INITIATION Two-Parameter(J-Q)Fracture Characterization of Ductile Tearings.-x.wu,AND Y.-W.MAI 43 The Relationship Between Constraint and Ductile Fracture Initiation as Defined by Micromechanicai Analyses-T.L.PANONTIN AND S.D.SHEPPARD 54 J-
14、Integral for a Semi-Elliptical Surface Crack at a Bimaterial Interface-M.H.SHAROBEAM AND J.D.LANDES 86 Experimental Application of Methodologies to Quantify the Effect of Constraint on Jc for a 3-D Flaw Geometry-w.c.PORR,JR.,R.E.LINK,J.e.WASKEY.AND R.H.DODDS,JR.107 Wide Range CTOD Estimation Formula
15、e for SE(B)Specimens-M.T.KIRK AND Y.-Y.WANG 126 Effects of Constraint on Upper Shelf Fracture Toughness-J.A.JOYCE AND R.E.LINK 142 Effects of 3-D Transverse Constraint on the Evolution of In-Plane Q-StressD D.K.M.SHUM 178 CONSTRAINT CRACK GROWTH Tests and Analyses for Fully Plastic Fracture Mechanic
16、s of Plane Strain Mode I Crack GrowthDF.A,MCCLINTOCK,Y.-J.KIM,AND D.M.PARKS 199 Copyright by ASTM Intl(all rights reserved);Wed Dec 23 19:26:25 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Three-Dimensional CTOA and Constraint Effects During Stable Tearing in a Thin-Sheet MaterialD.s.DAWICKE,J.C.NEWMAN,JR.,AND C.A.BIGELOW 223 Orientation Effects on the Measurement and Analysis of Critical CTOA in
