1、FRACTURE MECHANICS SEVENTEENTH VOLUME Seventeenth National Symposium on Fracture Mechanics sponsored by ASTM Committee E-24 on Fracture Testing Albany,New York,7-9 August 1984 ASTM SPECIAL TECHNICAL PUBLICATION 905 J.H.Underwood,U.S.Army Armament Research&Development Center,R.Chait,U.S.Army Material
2、s&Mechanics Research Center,C.W.Smith,Virginia Polytechnic Institute&State University,D.P.Wilhem,Northrop Aircraft,W.A.Andrews,General Electric Company,and J.C.Newman,NASA Langley Research Center,editors ASTM Publication Code Number(PCN)04-905000-30 1916 Race Street,Philadelphia,Pa.19103 Copyright b
3、y ASTM Intl(all rights reserved);Wed Dec 23 18:28:35 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Library of Congress Cataloging-in-Publicatlon Data National Symposium on Fracture Mechanics(17th:1984:
4、Albany,N.Y.)Fracture mechanics.(ASTM special technical publication;905)ASTM publication code number(PCN)04-905000-30.Includes bibliographies and index.1.Fracture mechanics-Congresses.I.Underwood,John H.II.ASTM Committee E-24 on Fracture Testing.III.Title.IV.Series.TA409.N38 1984 620.1126 86-8000 ISB
5、N 0-8031-0472-3 Copyright by AMERICAN SOCIETY FOR TESTING AND MATERIALS 1986 Library of Congress Catalog Card Number:86-8000 NOTE The Society is not responsible,as a body,for the statements and opinions advanced in this publication.Printed in Baltimore,Md.July 1986 Copyright by ASTM Intl(all rights
6、reserved);Wed Dec 23 18:28:35 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Dedication This publication is dedicated to the following group of individuals and their pioneering work in fracture testing:
7、William F.Brown,Jr.James E.Campbell Roy H.Chirstensen John Hodge George R.Irwin Joseph M.Krafft William T.Lankford John R.Low,Jr.Richard A.Rawe John E.Srawley Henry J.Stremba Charles F.Tiffany Their important contributions were central to the ASTM Special Committee on Fracture Testing of High Streng
8、th Sheet Materials,forerunner of Committee E-24 on Fracture Testing.As a tribute to the founders of ASTM Committee E-24 and to the series of symposia which they helped to establish,the poem on the following page was offered as a special presentation at the Albany meeting.Copyright by ASTM Intl(all r
9、ights reserved);Wed Dec 23 18:28:35 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.The 17th Symposium on Fracture At first a Committee,called E-24,Studied aspects of fracture not known before;And Irwin
10、suggested the very best way Was to write all the terms as functions of K.This worked for bodies whilst still elastic,But needed correction as the stresses turned plastic;Till Rice and some others showed us the way To express all the terms by the integral J.And presently users were nothing loath To u
11、se dJ for stable crack growth;So fracture was thought to be well understood At the Albany meeting of John Underwood.But then the Symposium,in second day session,Was taught a quite salutary lesson;As the crucial question was faced by John Srawley That sometimes J would serve us but poorly.But if thes
12、e complexities seem to confuse us,Just follow the founders advice on consensus And study the problem until a year older,Then tell us next time in the Conference at Boulder.Dedicated to those founding members of the original Committee,whom it was my good fortune to know.Cerdic Renrut 9 August 1984 Co
13、pyright by ASTM Intl(all rights reserved);Wed Dec 23 18:28:35 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Foreword The Seventeenth National Symposium on Fracture Mechanics was held on 7-9 August 1984
14、 in Albany,New York.ASTM Committee E-24 on Fracture Testing was the sponsor.J.H.Underwood,U.S.Army Armament Research&Development Center,served as symposium chairman and co-editor of this publication.R.Chair,U.S.Army Materials&Mechanics Research Center,C.W.Smith,Virginia Polytechnic Institute&State U
15、niversity,D.P.Wilhem,Northrop Aircraft,W.A.Andrews,General Electric Company,and J.C.Newman,NASA Langley Research Center,served as symposium co-chairmen and co-editors of this publication.Copyright by ASTM Intl(all rights reserved);Wed Dec 23 18:28:35 EST 2015Downloaded/printed byUniversity of Washin
16、gton(University of Washington)pursuant to License Agreement.No further reproductions authorized.Related ASTM Publications Fracture Mechanics:Sixteenth Symposium,STP 868(1985),04-868000-30 Fracture Mechanics:Fifteenth Symposium,STP 833(1984),04-833000-30 Fracture Mechanics:Fourteenth Symposium-Volume I:Theory and Analysis,STP 791(1983),04-791001-30 Fracture Mechanics:Fourteenth Symposium-Volume II:Testing and Applications,STP 791(1983),04-791002-30 Fracture Mechanics(Thirteenth Conference),STP 74