_STP_733-1981.pdf

FRACTOGRAPHY AND MATERIALS SCIENCE A symposium sponsored by ASTM Committee E-24 on Fracture Testing AMERICAN SOCIETY FOR TESTING AND MATERIALS Williamsburg,Va.,27-28 Nov.1979 ASTM SPECIAL TECHNICAL PUBLICATION 733 L.N.Gilbertson,Zimmer,U.S.A.,and R.D.Zipp,International Harvester,editors ASTM Publication Code Number(PCN)04-733000-30#AMERICAN SOCIETY FOR TESTING AND MATERIALS 1916 Race Street,Philadelphia,Pa.19103 Copyright by ASTM Intl(all rights reserved);Sat Jan 2 21:55:49 EST 2016Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Copyright by AMERICAN SOCIETY FOR TESTING AND MATERIALS 1981 Library of Congress Catalog Card Number:80-69750 NOTE The Society is not responsible,as a body,for the statements and opinions advanced in this pubhcation.Printed in Baltimore.Md.May 1981 Copyright by ASTM Intl(all rights reserved);Sat Jan 2 21:55:49 EST 2016Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Foreword The symposium on Fractography and Materials Science was held on 27-28 Nov.1979 in Williamsburg,Va.The American Society for Testing and Mate-rials,through its Committee E-24 on Fracture Testing and Subcommittee E24.02 on Fractography and Associated Microstructures,sponsored the event.The symposium chairmen were L.N.Gilbertson,Zimmer,U.S.A.,and R.D.Zipp,International Harvester,both of whom also served as editors of this publication.Copyright by ASTM Intl(all rights reserved);Sat Jan 2 21:55:49 EST 2016Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Related ASTM Publications Crack Arrest Methodology and Applications,STP 711(1980),$44.75,04-711000-30 Fracture Mechanics:Twelfth Conference,STP 700(1980),$53.25,04-700000-30 Fracture Mechanics Applied to Brittle Measurements,STP 678(1979),$25.00,04-678000-30 Fracture Mechanics:Eleventh Conference,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 Developments in Fracture Mechanics Test Methods Standardization,STP 632(1977),$24.75,04-632000-30 FractographyMicroscopic Cracking Process,STP 600(1976),$27.50,04-600000-30 Toughness and Fracture Behavior of Titanium,STP 651(1978),$28.50,04-651000-30 Evaluations of the Elevated Temperature Tensile and Creep Rupture Prop-erties of 12 to 27 Percent Chromium Steels,DS 59(1980),$24.00,05-059000-40 Copyright by ASTM Intl(all rights reserved);Sat Jan 2 21:55:49 EST 2016Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.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,sac-rifice 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 apprecia-tion their contribution.ASTM Committee on Publications Copyright by ASTM Intl(all rights reserved);Sat Jan 2 21:55:49 EST 2016Downloaded/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,Senior Associate Editor Helen P.Mahy,Senior Assistant Editor Allan S.Kleinberg,Assistant Editor Copyright by ASTM Intl(all rights reserved);Sat Jan 2 21:55:49 EST 2016Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Contents Introduction 1 ENVIRONMENT Microstructural Origin of Flutes and Their Use in Distinguishing Stria-tionless Fatigue Cleavage from Stress-Corrosion Cracking in Titanium AlloysD.A.MEYN AND E.J.BROOKS 5 Influence of Microstructure and Environment on the Fatigue Crack Growth Fracture Topography of Ti-6AI-2Sn-4Zr-2Mo-0.1Si J.A.RUPPEN AND A.J.McEVILY 32 A Fractographic Investigation of StressCorrosion Cracking in High-Strength Steel AlloysF.w.ERASER AND E.A.METZBOWER 51 Fractographic and Microstructural Analysis of Stress-Corrosion Crack-ing of ASTM A533 Grade B Class 1 Plate and ASTM A508 Class 2 Forging in Pressurized Reactor-Grade Water at 93C V.PROVENZANO,K.T(3RR(3NEN,D.STURM,AND W.H.CULLEN 70 Hydrogen-Induced Brittle Fracture of Type 304L Austenitic Stainless SteelG.R.CASKEY,JR.86 Effect of Temperature on the Fracture Toughness Behavior of Inconel X-750w,J.MILLS 98 MICROSTRUCTURE AND FATIGUE Correlation of Fractographic and Microstructural FeaturesJ.H.STEELE,JR.117 Fractography of Laser WeldsE.A.METZBOWER AND D.W.MOON 131 Fractographic Comparison of Plane-Strain Fracture Toughness,Instru-mented Precracked Charpy,and Slow-Bend Precracked