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_STP_896-1985.pdf

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1、TFRACTURE MECHANICS TECHNOLOGY Sponsored by ASTM Committee E-24 on Fracture Testing through its Subcommittee E24.06.02 ASTM SPECIAL TECHNICAL PUBLICATION 896 J.C.Newman,Jr.,NASA Langley Research Center,and F.J.Loss,Materials Engineering Associates,editors ASTM Publication Code Number(PCN)04-896000-3

2、0 1916 Race Street,Philadelphia,PA 19103 Copyright by ASTM Intl(all rights reserved);Wed Dec 23 18:25:48 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Library of Congress Cataloging-in-Publication Data

3、 Elastic-plastic fracture mechanics technology.(ASTM special technical publication;896)Proceedings of a workshop.ASTM publication code number(PCN)04-896000-30.Includes bibliographies and index.1.Fracture mechanicsCongresses.2.ElastroplasticityCongresses.I.Newman,J.C.II.Loss,F.J.III.ASTM Committee E-

4、24 on Fracture Testing.Subcommittee E24.06.02.IV.Series.E24.06.02.IV.Series.TA409.E38 1986 620.1126 85-22965 ISBN 0-8031-0449-9 Copyright by AMERICAN SOCIETY FOR TESTING AND MATERIALS 1985 Library of Congress Catalog Card Number:85-22965 NOTE The Society is not responsible,as a body,for the statemen

5、ts and opinions advanced in this publication.Printed In Baltimore,MD December 1985 Copyright by ASTM Intl(all rights reserved);Wed Dec 23 18:25:48 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Foreword

6、 This publication is the results of an ASTM Committee E24.06.02 Task Group round robin on fracture and a collection of papers presented at a workshop on Elastic-Plastic Fracture Mechanics Technology held at the regular Committee E-24 on Fracture Testing meeting in the Spring of 1983.The objective of

7、 the round robin and workshop was to evaluate and to document various elastic-plastic failure load prediction methods.J.C.Newman,Jr.,NASA Langley Research Center,and F.J.Loss,Materials Engineering Associates,are editors of this publication.Copyright by ASTM Intl(all rights reserved);Wed Dec 23 18:25

8、:48 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Related ASTM Publications Elastic-Plastic Fracture Test Methods,STP 856(1985),04-856000-30 Elastic-Plastic Fracture:Second Symposium,Volume I:Inelastic

9、 Crack Analysis;Volume II:Fracture Curves and Engineering Applications,STP 803(1983),Volume 104-803001-30;Volume 1104-803002-30 Elastic-Plastic Fracture,STP 668(1979),04-668000-30 Copyright by ASTM Intl(all rights reserved);Wed Dec 23 18:25:48 EST 2015Downloaded/printed byUniversity of Washington(Un

10、iversity 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 publication reflects not only the obvious efforts of the authors but also the unheralded,though essential,work of the reviewers.O

11、n behalf of ASTM we acknowledge with appreciation 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 18:25:48 EST 2015Downloaded/printed byUniversity of Washington(University of

12、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 18:25:48 EST 2015Downloaded/printed byUniversity of Washington(University of Washi

13、ngton)pursuant to License Agreement.No further reproductions authorized.Contents Introduction 1 EXPERIMENTAL AND PREDICTIVE ROUND ROBIN An Evaluation of Fracture Analysis MethodsJ.C.NEWMAN,JR.5 ELASTIC-PLASTIC FRACTURE MECHANICS METHODOLOGY Prediction of Instability Using the KR-Curve Approach D.E.M

14、CCABE AND K.H.SCHWALBE 99 Deformation Plasticity Failure Assessment Diagram JOSEPH M.BLOOM 114 Predictions of Instability Using the Modified J,JM-Resistance Curve ApproachHUGO A.ERNST AND JOHN D.LANDES 128 Prediction of Stable Crack Growth and Instability Using the VR-Curve MethodJ.C.NEWMAN,JR.139 S

15、UMMARY Summary 169 Author Index 173 Subject Index 175 Copyright by ASTM Intl(all rights reserved);Wed Dec 23 18:25:48 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.STP896-EB/Dec.1985 Introduction Since

16、 the development of fracture mechanics,the materials scientists and design engineers have had an extremely useful concept with which to describe quanti-tatively the fracture behavior of solids.The use of fracture mechanics has per-mitted the materials scientists to conduct meaningful comparisons between ma-terials on the influence of microstructure,stress state,and crack size on the fracture process.To the design engineer,fracture mechanics has provided a methodology to use laboratory fracture d

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