_STP_821-1984.pdf

ENVIRONMENT-SENSITIVE FRACTURE:EVALUATION AND COMPARISON OF TEST METHODS A symposium sponsored by ASTM Committee G-1 on Corrosion of Metals and National Bureau of Standards Gaithersburg,Md.,26-28 April 1982 ASTM SPECIAL TECHNICAL PUBLICATION 821 S.W.Dean,Air Products and Chemicals,Inc.,E.N.Pugh,National Bureau of Standards,and G.M.Ugiansky,National Bureau of Standards,editors ASTM Publication Code Number(PCN)04-821000-27 m 1916 Race Street,Philadelphia,Pa.19103 Copyright by ASTM Intl(all rights reserved);Thu Dec 31 19:15:35 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Library of Congress Cataloging in Publication Data Environment-sensitive fracture.(ASTM special technical publication;821)ASTM Symposium on Environment-Sensitive Fracture:Evaluation and Comparison of Test Methods was held in Gaithersburg,Maryland,on 26-28 April 1982P.Includes bibliographies and index.ASTM publication code no.:04-821000-27.1.Fracture mechanicsCongresses.2.Corrosion and anti-corrosivesCongresses.3.MaterialsTesting Congresses.I.Dean,S.W.II.Pugh,E.N.(E.Neville)III.Ugiansky,G.M.IV.American Society for Testing and Materials.Committee G-1 on Corrosion of Metals.V.United States.National Bureau of Standards.VI.ASTM Symposium on Environment-Sensitive Fracture:Evaluation and Comparison of Test Methods(1982:Gaithersburg,Md.)VII.Series.TA409.E58 1984 620.1126 83-70260 ISBN 0-8031-0264-X Copyright by AMERICAN SOCIETY FOR TESTING AND MATERIALS 1984 Library of Congress Catalog Card Number:83-70260 NOTE The Society is not responsible,as a body,for the statements and opinions advanced in this publication.Printed in Baltimore,Md.(b)November 1984 Copyright by ASTM Intl(all rights reserved);Thu Dec 31 19:15:35 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.B.Floyd Brown 1920-1981 Charles T.Fujii 1930-1984 Dedication This volume is dedicated to the memory of our professional friends Floyd Brown and Chuck Fujii.Floyd was involved in the planning of this ASTM Sym-posium on Environment-Sensitive Fracture until his death on 16 August 1981.Chuck was a contributor to and an active participant in the symposium;he died on 26 March 1984.Both made significant contributions in the area of environ-ment-sensitive fracture,and they worked and published together on this sub-ject for several years at the Naval Research Laboratory(NRL).Both were active members of ASTM Committee G-l on Corrosion of Metals and Subcommittee G01.06 on Stress Corrosion Cracking and Corrosion Fatigue.It is fitting that,as colleagues and long-time acquaintances in life,they share this memorial.Dr.B.F.Brown was educated at the University of Kentucky,the Carnegie Institute of Technology,and Cambridge University.After an early academic career at Massachusetts Institute of Technology and North Carolina State Uni-versity,Dr.Brown joined NRL in 1954 as Head of the Physical Metallurgy Branch,a position he held until his retirement from federal service in 1972.From that time until his death,he was a senior research scientist at American University in Washington,D.C.Dr.Brown gained international recognition for his research on environ-ment-sensitive fracture,particularly stress corrosion cracking.Of particular Copyright by ASTM Intl(all rights reserved);Thu Dec 31 19:15:35 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.relevance to this symposium,he pioneered the application of fracture mechan-ics to the stress corrosion problem,and the development of the threshold pa-rameter,Aiscc s due largely to his work.In association with Dr.Fujii and other colleagues at NRL,he led the way in the study of the localized chemistry and electrochemistry within stress corrosion cracks.His research was characterized by incisiveness;he was truly a master of the critical experiment.Dr.C.T.Fujii received his academic training at the University of Hawaii and Duquesne University.He joined NRL in 1958 as a National Academy of Science-National Research Council Research Associate,and became a per-manent employee in 1960.His early research at NRL was concerned with high-temperature oxidation and metal-metal vapor reactions,but for the last 15 years he worked in the area of stress corrosion cracking of high-strength alloys.At the time of his death,he was Head of the Stress Corrosion Cracking Section,Environmental Effects Branch of the Materials Science and Technology Divi-sion.Dr.Fujiis studies of crack-tip chemistry have already been mentioned.He was also known for demonstrating the detrimental effects of impurities,par-ticularly sulfur,on the stress corrosion resistance of high-strength steel in aqueous environments.Dr.Fujii was active in GOl.06 activities on the develop-ment of stress corrosion test methods;his fine paper on the ef