1、DEVELOPMENTS IN FRACTURE MECHANICS TEST METHODS STANDARDIZATION A symposium presented at St.Louis,Mo.,4 May 1976 ASTM SPECIAL TECHNICAL PUBLICATION 632 W.F.Brown,Jr.,NASA-Lewis Research Center,and J.G.Kaufman,Aluminum Company of America,editors List price$24.75 04-632000-30#AMERICAN SOCIETY FOR TEST
2、ING AND MATERIALS 1916 Race Street,Philadelphia,Pa.19103 NATIONAL AERONAUTICS AND SPACE ADMINISTRATION Copyright by ASTM Intl(all rights reserved);Mon Dec 21 11:23:28 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions
3、 authorized.B Y AMERICAN SOCIETY FOR TESTING AND MATERIALS 1977 Library of Congress Catalog Card Number:77-73544 NOTE The Society is not responsible,as a body,for the statements and opinions advanced in this publication.is Primed in Baltimore,Md.September 1977 Copyright by ASTM Intl(all rights reser
4、ved);Mon Dec 21 11:23:28 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Foreword The symposium on Developments in Fracture Mechanics Test Methods Standardization and this resultant publication were spon
5、sored by ASTM Committee E-24 on Fracture Testing of Metals,in particular Subcommit-tee E24.01 on Fracture Mechanics Test Methods.To a very significant extent,this symposium and publication were cosponsored by NASA-Lewis Research Center,specifically through the coauthorship or presenta-tion of six of
6、 the invited papers or both,and a very substantial amount of the technical effort that went into the developments reported.The sympo-sium itself was held in St.Louis,Missouri at the May 1976 ASTM Com-mittee Week;J.G.Kaufman,Aluminum Company of America,presided as technical chairman.W.F.Brown,Jr.,NAS
7、A-Lewis Research Center,and J.G.Kaufman are editors of this publication.Copyright by ASTM Intl(all rights reserved);Mon Dec 21 11:23:28 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Related ASTM Public
8、ations Cracks and Fracture,STP 601(1976),$51.75,04-601000-30 Fractography-Microscopic Cracking Process,STP 600(1976),$27.50,04-600000-30 Mechanics of Crack Growth,STP 590(1976),$45.25,04-590000-30 Copyright by ASTM Intl(all rights reserved);Mon Dec 21 11:23:28 EST 2015Downloaded/printed byUniversity
9、 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 un-heralded efforts of the reviewers.This body of technical experts whose dedication,sacrifice o
10、f time and effort,and collective wisdom in review-ing the papers must be acknowledged.The quality level of ASTM publica-tions is a direct function of their respected opinions.On behalf of ASTM we acknowledge with appreciation their contribution.ASTM Committee on Publications Copyright by ASTM Intl(a
11、ll rights reserved);Mon Dec 21 11:23:28 EST 2015Downloaded/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,Associate Editor Ellen J.McGlinchey,Senior Assistant
12、 Editor Kathleen P.Zirbser,Assistant Editor Sheila G.Pulver,Assistant Editor Copyright by ASTM Intl(all rights reserved);Mon Dec 21 11:23:28 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Contents Intro
13、duction 1 Experience in Plane-Strain Fracture Tougiiness Testing Per ASTM Method E 399i.G.KAUFMAN 3 Discussion 15 Fracture Toughness Testing Using the C-Shaped Specimen J.H.UNDERWOOD AND D.P.KENDALL 25 Analysis of Radially Cracked Ring Segments Subject to Forces and CouplesBERNARD GROSS AND J.E.SRAW
14、LEY 39 Recent Developments in/j Testingj.D.LANDES AND J.A.BEGLEY 57 Compliance Calibration of Specimens Used in the R-Curve Prac-ticeD.E.MCCABE AND G.T.SHA 82 Heavy-Section Fracture Toughness Screening Specimen J.L.SHANNON,JR.,J.K.DONALD,AND W.F.BROWN,JR.96 Sharply Notch Cylindrical Tension Specimen
15、 for Screening Plane-Strain Fracture Toughness.Part I:Influence of Fundamental Testing Variables on Notch StrengthM.H.TONES,R.T.BUBSEY,AND w.F.BROWN,JR.Part 11:Applications in Aluminum Alloy Quality Assurance of Fracture Toughness R.J.BUCCI,S.F.COLLIS,R.F.KOHM,AND J.G.KAUFMAN 115 Investigation of So
16、me Problems in Developing Standards for Pre-cracked Charpy Slow Bend TestsGEORGE SUCCOP,R.T.BUBSEY,M.H.JONES,AND W.F.BROWN,JR.153 Estimation of Kj firom Slow Bend Precracked Charpy Specimen Strength RatiosGEORGE SUCCOP AND W.F.BROWN,JR.179 Fracture Testing with Surface Crack SpecimensT.W.ORANGE(Reprint from Journal of Testing and Evaluation,Vol.3,No.5,Sept.1975)193 Appendix IStandard Method of Sharp-Notch Tension Testing of High-Strength Sheet Materials(E 338-68)213 Appendix IIStandard Test Meth
