_STP_700-1980.pdf

FRACTURE MECHANICS Proceedings of the Twelfth National Symposium on Fracture Mechanics A symposium sponsored by ASTM Committee E-24 on Fracture Testing of Metals AMERICAN SOCIETY FOR TESTING AND MATERIALS Washington University St.Louis,Mo.,21-23 May 1979 ASTM SPECIAL TECHNICAL PUBLICATION 700 P.C.Paris Washington University symposium chairman 04-700000-30 9 AMERICAN SOCIETY FOR TESTING AND MATERIALS 1916 Race Street,Philadelphia,Pa.19103 Copyright by AMERICAN SOCIETY FOR TESTING AND MATERIALS 1980 Library of Congress Catalog Card Number:79-55188 NOTE The Society is not responsible,as a body,for the statements and opinions advanced in this publication.Printed in Baltimore,Md.July 1980 Foreword This publication,Fracture Mechanics,contains papers presented at the Twelfth National Symposium on Fracture Mechanics which was held 21-23 May 1979 at Washington University,St.Louis,Missouri.The American Society for Testing and Materials Committee E-24 on Fracture Testing of Metals sponsored the symposium.P.C.Paris,Washington University,pre-sided as symposium chairman.Related ASTM Publications Part-Through Crack Fatigue Life Predictions,STP 687(1979),$26.65,04-687000-30 Fracture Mechanics Applied to Brittle Materials,STP 678(1979),$25.00,04-678000-30 Fracture Mechanics,STP 677(1979),$60.00,04-677000-30 Elastic-Plastic Fracture,STP 668(1979),$58.75,04-668000-30 Fractography in Failure Analysis,STP 645(1978),$36.50,04-645000-30 Flaw Growth and Fracture,STP 631(1977),$49.75,04-631000-30 A Note of 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 Editorial Staff Jane B.Wheeler,Managing Editor Helen M.Hoersch,Associate Editor Helen Mahy,Assistant Editor Contents Introduction 1 Prediction Methods for Fatigue Cracic Growth in Aircraft Material lAAP SCHIJVE 3 Fractographic Measurements of Cracit-Tip ClosureR.M.PELLOUX,M.FARAL,AND W.M.MCGEE 35 Fatigue Crack Propagation in Nylon 66 BlendsR.W.HERTZBERG,M.D.SKIBO,AND J.A.MANSON 49 Cyclic Inelastic Deformation Aspects of Fatigue-Crack-Growtb AnalysisB.N.LEIS AND AKRAM ZAHOOR 65 Effect of Prestressing on Stress-Corrosion Crack Initiation in High-Strength Type 4340 Steelw.o.CLARK,JR.97 Tensile Cracks in Creeping SolidsH.RIEDEL AND I.R.RICE 112 Evaluation of C*for the Characterization of Creep-Crack-Growth Behavior in 304 Stainless SteelASHOK SAXENA 131 Elastic-Plastic Fracture Mechanics for High-Temperature Fatigue Crack GrowthKUNTIMADDI SADANANDA AND PAUL SHAHINIAN 152 Stress Intensity Factor Due to Parallel Impact Loading of the Faces of a Cracki.s.ABOU-SAYED,P.BURGERS,AND L.B.FREUND 164 A Critical Examination of a Numerical Fracture Dynamic Code L.HODULAK,A.S.KOBAYASHI,AND A.F.EMERY 174 Elastic-Plastic Analysis of Growing Cracksj.R.RICE,W.J.DRUGAN,AND T-L.SHAM 189 Discussion 220 Direct Evaluation of J-Resistance Curves from Load Displacement Recordsj.A.JOYCE,HUGO ERNST,AND P.C.PARIS 222 Estimation of J-Integral UncertaintyD.E.CORMAN 237 Effects of Specimen Geometry on the Ji-R Curve for ASTM A533B SteelM.G.VASSILAROS,J.A.JOYCE,AND J.P.GUDAS 251 Measurement of Crack Growth Resistance of A533B Wide Plate Testss.J.GARWOOD 271 A Stability Analysis of Circumferential Cracks for Reactor Piping SystemsH.TADA,P.C.PARIS,AND R.M.GAMBLE 296 The Ubiquitous r;Factorc.E.TURNER 314 A J-Integral Approach to Development of ij-Factorsp.c.PARIS,HUGO ERNST,AND C.E.TURNER 338 Temperature Dependence of the Fracture Toughness and the Cleavage Fracture Strength of a Pressure Vessel Steel HEIKKI KOTILAINEN 352 Statistical Characterization of Fracture in the Transition Region I.D.LANDES AND D.H.SHAFFER 368 Quasi-Static Steady Crack Growth in Small-Scale Yielding R.H.DEAN AND J.W.HUTCHINSON 383 Fully Plastic Crack Solutions,Estimation Scheme,and Stability Analyses for the Compact SpecimenVIRENDRA KUMAR AND C.F.SHIH 406 Crack Analysis of Power Hardening Materials Using a Penalty Function and Superposition MethodGENKI YAGAWA,TATSUHIKO AIZAWA,AND YOSHIO ANDO 439 Dynamic Finite Element Analysis of Cracked Bodies with Stationary Crackss.MALL 453 Mode I Crack Surface Displacements and Stress Intensity Factors for a Round Compact Specimen Subject to a Couple and ForceBERNARD GROSS 466 On the Equivalence Between Semi-Empirical Fracture Analyses and R-CurvesT.W.ORANGE 478 A Modification of the COD Concept and Its Tentative Application to the Residual Strength of Center Cracked Panels K.-H.SCHWALBE 500 Development of Some Analytical Fracture Mechanics Models for Pipeline Girth WeldsROLAND DE WIT AND J.H.SMITH 513 Ductile Fracture Behavior of Wrought SteelsE.P.COX AND F.V.LAVSfRENCE,JR.529 Fracture Behavior of A36 Bri