_STP_1285-1997.pdf

STP 1285 Composite Materials:Fatigue and Fracture(Sixth Volume)Erian A.Armanios,editor ASTM Publication Code Number(PCN):04-012850-33 ASTM 100 Barr Harbor Drive West Conshohocken,PA 19428-2959 Printed in the U.S.A.Copyright by ASTM Intl(all rights reserved);Sat Dec 26 18:57:00 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.ISBN:0-8031-2411-2 ISSN:1040-3086 Copyright?9 1997 AMERICAN SOCIETY FOR TESTING AND MATERIALS,West Conshohocken,PA.All rights reserved.This material may not be reproduced or copied,in whole or in part,in any printed,mechanical,electronic,film,or other distribution and storage media,without the written consent of the publisher.Photocopy Rights Authorization to photocopy items for internal,personal,or educational classroom use,or the internal,personal,or educational classroom use of specific clients,is granted by the American Society for Testing and Materials(ASTM)provided that the appropriate fee is paid to the Copyright Clearance Center,222 Rosewood Drive,Danvers,MA 01923;Tel:508-750-8400;online:http:/ Review Policy Each paper published in this volume was evaluated by three peer reviewers.The authors addressed all of the reviewers comments to the satisfaction of both the technical editor(s)and the ASTM Committee on Publications.The quality of the papers in this publication reflects not only the obvious efforts of the authors and the technical editor(s),but also the work of these peer reviewers.The ASTM Committee on Publications acknowledges with appreciation their dedication and contribution of time and effort on behalf of ASTM.Printed in Ann Arbor,MI June 1997 Copyright by ASTM Intl(all rights reserved);Sat Dec 26 18:57:00 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Foreword The Sixth Symposium on Composites:Fatigue and Fracture was held 16-18 May 1995 in Denver,Colorado.ASTM Committee D30 on High Modulus Fibers and Their Composites sponsored the symposium.Erian A.Armanios,Georgia Institute of Technology,presided as symposium chairman and is editor of this publication.Copyright by ASTM Intl(all rights reserved);Sat Dec 26 18:57:00 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Contents Overview 1 DAMAGE TOLERANCE AND FRACTURE ANALYSIS Damage Tolerance of Pressurized Graphite/Epoxy Cylinders Under Uniaxial and Biaxial Loading-p.A.LAGACE AND S.M.PRIEST 9 Failure of a Titanium Metal-Matrix Composite Cylindrical Shell Under Internal eressure-D.A.HOOKE,E.A.ARMANIOS,D.S.DANCILA,A,THAKKER,AND P.DOORBAR 27 Experimental Design Methods for Assessment of Composite Damage in Recreational Structures-T.SACZALSKI,B.LUCHT0 AND K.SACZALSKI 45 Progressive Fracture in Composite Structures-c.r CHAMIS,P.L.N.MURTHY,AND L.MINNETYAN 70 Determination of Transverse Shear Strength Through Torsion Testing-K.T.MARCUCELLI AND J.C.FISH 85 FATIGUE AND LIFE PREDICTION Effects of Fiber Bridging and Fiber Fracture on Fatigue Cracking in a Titanium-Matrix Composite-D.J.HERRMANN AND B.M.HILLBERRY 103 Stress-Ratio Effect on Mode II Propagation of Interlaminar Fatigue Cracks in Graphite/Epoxy Composites-K.TANAKA AND H.TANAKA 126 The Fatigue Growth of Internal Delaminations Under Compressive Loading of Cross=Ply Composite Plates-A.A.PELEGRI,G.A.KARDOMATEAS,AND B.U.MALIK 143 Prediction of Delamination Growth Under Cyclic Loading-R.KRIGER AND M.KONIG 162 A Strength-Based Wearout Model for Predicting the Life of Composite Structures-L R.SCHAFF AND B.D.DAVDSON 179 STRENGTH AND RESIDUAL PROPERTIES On the Determination of Tensile and Compressive Strengths of Undirectional Fiber Composites-s.N.CHAIERJEE,C.-F.YEN.AND D.W.OPLINGER 203 Copyright by ASTM Intl(all rights reserved);Sat Dec 26 18:57:00 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.The Influence of Transverse Bearing Loads Upon the Bypass Strength of Composite Bolted Joints-A.j.SAWtCII AND N.NGUYEN 225 Residual Strength of Metal-Matrix Laminated Panels-M.wu AND D.WILSON 244 Impact Damage Resistance and Residual Property Assessment of 0/+_45/90/s SCS-6/TIMETAL 21S-J.L.MILLER,M.A.PORTANOVA,AND W.S.JOHNSON 260 MODE MIXITY AND DELAMINATION The Relationship Between Critical Strain Energy Release Rate and Fracture Mode in Multidirectional Carbon-Fiber/Epoxy Laminates-I.TRAI 11-0.0911 The magnitude of the XtX3 coupling term indicates that there are definite interactive effects taking place.The coefficients of the nonlinear terms again demonstrate that lateral load offset has a greater effect on buckling strength than impact momentum.In fact,the value of the nonlinear term for load offset indicates that there is a slight increase in buckling strength when offset is increased.However,this term i