_STP_1020-1989.pdf

STP 1020 Fracture Mechanics:Perspectives and Directions(Twentieth Symposium)Robert P.Wei and Richard P.Gangloff,editors 1916 Race Street Philadelphia,PA 19103 Copyright by ASTM Intl(all rights reserved);Sun Dec 13 19:20:28 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.ASTM Publication Code Number(PCN:04-010200-30)ISBN:0-8031-1250-5 ISN:1040-3094 Copyright?9 by AMERICAN SOCIETY FOR TESTING AND MATERIALS 1989 NOTE The Society is not responsible,as a body,for the statements and opinions advanced in this publication.Peer Review Policy Each paper published 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.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 their dedication and contribution of time and effort on behalf of ASTM.Printed in Ann Arbor,MI November 1989 Copyright by ASTM Intl(all rights reserved);Sun Dec 13 19:20:28 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Foreword The Twentieth National Symposium on Fracture Mechanics was held on 23-25 June 1987 at Lehigh University,Bethlehem,Pennsylvania.ASTM Committee E-24 on Fracture Testing was the sponsor of this symposium.Robert P.Wei,Lehigh University,and Richard P.Gangloff,University of Virginia,served as coeditors of this publication.Robert P.Wei also served as chairman of the symposium.Copyright by ASTM Intl(all rights reserved);Sun Dec 13 19:20:28 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Contents Overview PART I-Invited Papers ANALYTICAL FRACTURE MECHANICS Fracture Mechanics in Two Decades-GEORGE C.SIH Weight Function Theory for Three-Dimensional Elastic Crack Analysis-JAMES R.RICE NONLINEAR AND TIME-DEPENDENT FRACTURE MECHANICS Softening Due to Void Nucleation in Metals-JOHN W.HUTCHINSON AND VIGGO TVERGAARD Results on the Influence of Crack-Tip Plasticity During Dynamic Crack Growth-L.B.FREUND MICROSTRUCTURE AND MICROMECHANICAL MODELING Creep Crack Growth-HERMANN RIEDEL The Role of Heterogeneities in Fracture-nLi s.ARGON FATIGUE CRACK PROPAGATION Mechanics and Micromechanics of Fatigue Crack Propagation-KEISUKE TANAKA Microstructure and the Fracture Mechanics of Fatigue Crack Propagation-E.A.STARKE JR.AND J.C.WILLIAMS ENVIRONMENTALLY ASSISTED CRACKING Microchemistry and Mechanics Issues in Stress Corrosion Cracking-RUSSELL H.JONES,MICHAEL J.DANIELSON,AND DONALD R.BAER Environmentally Assisted Crack Growth in Structural Alloys:Perspectives and New Directions-ROBERT P.WEI AND RICHARD P.GANGLOFF 29 61 84 101 127 151 184 209 233 Copyright by ASTM Intl(all rights reserved);Sun Dec 13 19:20:28 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.FRACTURE MECHANICS OF NONMETALS AND NEW FRONTIERS The New High-Toughness Ceramics-A.G.EVANS 267 PART II-Contributed Papers ANALYTICAL FRACTURE MECHANICS Stress-Intensity Factors for Small Surface and Corner Cracks in Plates-IVATURY S.RAJU,SATYA N.ATLURI,AND JAMES C.NEWMAN,JR.Intersection of Surface Flaws with Free Surfaces:An Experimental Study-C.W.SMITH,T.L.THEISS,AND M.REZVANI An Efficient Finite-Element Evaluation of Explicit Weight Functions for Mixed-Mode Cracks in an Orthotropic Material-GEORGE T.SHA,CHIEN-TUNG YANG,AND JAMES S.ONG Automated Generation of Influence Functions for Planar Crack Problems-ROBERT A.SIRE,DAVID O.HARRIS AND ERNEST D.EASON NONLINEAR AND TIME-DEPENDENT FRACTURE MECHANICS Fracture Toughness in the Transition Regime for A533B Steel:Prediction of Large Specimen Results from Small Specimen TestS-TERRY INGHAM,NIGEL KNEE,IAN MILNE,AND EDDIE MORLAND Plastic Collapse in Part-Wall Flaws in PlateS-ANTHONY A.WILLOUGHBY AND TIM G.DAVEY A Comparison of Crack-Tip Opening Displacement Ductile Instability Analyses-J.ROBIN GORDON AND STEPHEN J.GARWOOD MICROSTRUCTURE AND MICROMECHANICAL MODELING Effect of Void Nucleation on Fracture Toughness of High-Strength Austenitic Steels-PATRICK T.PURTSCHER,RICHARD P.REED,AND DAVID T.READ Dynamic Brittle Fracture Analysis Based on Continuum Damage Mechanics-ER-PING CHEN Effect of Loading Rate and Thermal Aging on the Fracture Toughness of Stainless-Steel Alloys-WILLIAM J.MILLS FATIGUE CRACK PROPAGATION Fatigue Crack Growth Under Combined Mode I and Mode II Loading-STEFANIE E.STANZL,MAXIMILIAN CZEGLEY,HERWIG R.MAYER,AND ELMAR K.TSCHEGG 297 317 327 351 369 390 410 433 447 459 479 Copyright by ASTM Intl(all rights reserved);Sun Dec 13 19:20:28 EST 2015Download