_STP_918-1986.pdf

CASE HISTORIES INVOLVING FATIGUE AND FRACTURE MECHANICS A symposium sponsored by ASTM Committee E-24 on Fracture Testing Charleston,SC,21-22 March 1985 ASTM SPECIAL TECHNICAL PUBLICATION 918 C.Michael Hudson,NASA-Langley Research Center,and Thomas P.Rich,Bucknell University,editors ASTM Publication Code Number(PCN)04-918000-30#1916 Race Street,Philadelphia,PA 19103 Copyright by ASTM Intl(all rights reserved);Wed Dec 23 18:32:03 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Library of Congress Cataloging-in-Publication Data Case histories involving fatigue and fracture mechanics.(ASTM special technical publication:918)Includes bibliographies and indexes.ASTM publication code number(PCN)04-918000-30.1.MetalsFatigueCongresses.2.Fracture mechanicsCongresses.I.Hudson,CM.II.Rich,Thomas P.III.ASTM Committee E-24 on Fracture Testing.IV.Series.TA460.C334 1986 620.1126 86-17208 ISBN 0-8031-0485-5 Copyright by AMERICAN SOCIETY FOR TESTING AND MATERIALS 1986 Library of Congress Catalog Card Number:86-17208 NOTE The Society is not responsible,as a body,for the statements and opinions advanced in this publication.Printed in Baltimore,MD October 1986 Copyright by ASTM Intl(all rights reserved);Wed Dec 23 18:32:03 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Foreword The symposium on Case Histories Involving Fatigue and Fracture Me-chanics was held 21-22 March 1985 in Charieston,South Carolina.ASTM Committee E-24 on Fracture Testing sponsored the symposium.C.Michael Hudson,NASA-Langley Research Center,and Thomas P.Rich,Bucknell University,served as symposium cochairmen and coeditors of this publi-cation.Copyright by ASTM Intl(all rights reserved);Wed Dec 23 18:32:03 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Related ASTM Publications Automated Test Methods for Fracture and Fatigue Crack Growth,STP 877(1985),04-877000-30 Fracture Mechanics:Sixteenth Symposium,STP 868(1985),04-868000-30 Elastic-Plastic Fracture Test Methods:The Users Experience,STP 856(1985),04-856000-30 Fracture Mechanics:Fifteenth Symposium,STP 833(1984),04-833000-30 Design of Fatigue and Fracture Resistant Structures,STP 761(1982),04-761000-30 Copyright by ASTM Intl(all rights reserved);Wed Dec 23 18:32:03 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.A Note of Appreciation to Reviewers The quality of the papers that appear in this pubUcation reflects not only the obvious efforts of the authors but also the unheralded,though essential,work of the reviewers.On behalf of ASTM we acknowledge with appre-ciation their dedication to high professional standards and their sacrifice of time and effort.ASTM Committee on Publications Copyright by ASTM Intl(all rights reserved);Wed Dec 23 18:32:03 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.ASTM Editorial Staff Helen M.Hoersch Janet R.Schroeder Kathleen A.Greene Bill Benzing Copyright by ASTM Intl(all rights reserved);Wed Dec 23 18:32:03 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Contents Introduction 1 Use of Material Characterization to Complement Fracture Mechanics in the Analysis of Two Pressure Vessels for Further Service in a Hydrogenating High-Temperature ProcessKLAUS RAHKA 3 Cracking at Nozzle Comers in the Nuclear Pressure Vessel Industryc.WILLIAM SMITH 31 A Pressure Vessel Hatch Cover Failure:A Design Analysis MITCHELL P.KAPLAN,TERRENCE WILLIS,AND RALPH L.BARNETT 46 Fracture Analysis of Propane Tank ExplosionHUGH S.PEARSON AND R.G.(JESSE)D O O M A N 65 Analysis of the Unstable Fracture of a Reactor Pressure Tube Using Fracture Toughness Mappingc.K.(PETER)CHOW AND LEONARD A.SIMPSON 78 Choosing a Steel for Hydroelectric PenstocksCEDRIC N.REID AND BRIAN L.BAIKIE 102 Applied Fracture Mechanics for Assessing Defect Significance in a Crude Oil PipelineCURT CHRISTENSEN AND RICHARD T.HILL 122 Observations,Predictions,and Prevention of Fatigue Cracking in Offshore StructuresHAROLD S.REEMSNYDER 136 Failure Analysis of a Large Wind Tunnel Compressor Blade ROY W.HAMPTON AND HOWARD G.NELSON 153 Analysis of a Compressor-Wheel FailureRUSSELL C.CIPOLLA,JEFFREY L.GROVER,AND ROGER H.RICHMAN 181 Preventing Fracture By Inspection and AnalysisALLEN SELZ AND DAVID B.PETERSON 211 Copyright by ASTM Intl(all rights reserved);Wed Dec 23 18:32:03 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Fatigue Crack Growth Predictions of Welded Aircraft St