_STP_1383-2001.pdf

STP 1383 Composite Structures:Theory and Practice Peter Grant and Carl Q.Rousseau,editors ASTM Stock Number:STP 1383 ASTM 100 Barr Harbor Drive PO Box C700 West Conshobocken,PA 19428-2959 Printed in the U.S.A.Library of Congress Cataloging-in-Publication Data Composite structures:theory and practice/Peter Grant and Carl Q.Rousseau,p.cm.-(STP;1383)Includes bibliographical references.ISBN 0-8031-2862-2 1.Composite construction.2.Structural analysis(Engineering)3.Fibrous composites.4.Laminated materials.I.Grant,Peter,1942.I1.Rousseau,Carl Q.,1962.II1.ASTM special technical publication;1383.TA664.C6375 2000 620.118-dc21 ASTM Stock Number:STP1383.00-059356 Copyright?9 2001 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 Copy-right Clearance Center,222 Rosewood Drive,Danvers,MA 01923,Tel:508-750-8400;online:htt p:/www.copyrig Review Policy Each paper published in this volume was evaluated by two peer reviewers and at least one editor.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 the peer reviewers.In keeping with long standing publication practices,ASTM maintains the anonymity of the peer reviewers.The ASTM Committee on Publications acknowledges with appreciation their dedication and contribution of time and effort on behalf of ASTM.Printed in Philadelphia,PA Oct.2000 Foreword This publication,Composite Structures:Theor3 and Practice,contains papers presented at the symposium of the same name held in Seattle,Washington,on 17-18 May 1999.The symposium was sponsored by ASTM Committee D-30 on Composite Materials.The symposium co-chairmen were Peter Grant and Carl Q.Rousseau.They both served as STP editors.Contents Overview.vii STRUCTURAL DAMAGE TOLERANCE USAF Experience in the Qualification of Composite Structures-J.w.LINCOLN.3 A Review of Some Key Developments in the Analysis of the Effects of Impact Upon Composite Structures-R.OLSSON,L.E.ASP,S.NILSSON,AND A.SJOGREN.2 Certificate Cost Reduction Using Compression-After-Impact Testing-T.C.ANDERSON.29 SKIN-STRINGER BEHAVIOR Mechanisms and Modeling of Delamination Growth and Failure of Carbon-Fiber-Reinforced Skin-Stringer Panels-E.GREENHALGH,S.SINGH,AND K.F.NILSSON.49 Parametric Study of Three-Stringer Panel Compression-After-lmpact Strength-c.Q.ROUSSEAU,D.J.BAKER,AND J.DONN HETHCOCK.72 A Method for Calculating Strain Energy Release Rates in Preliminary Design of Composite Skin/Stringer Debonding Under Multiaxial Loading-R.KRUEGER,P.J.MINGUET,AND T.K.OBRIEN.105 ROTORCRAFT AND PROPELLER STRUCTURAL QUALIFICATION ISSUES Fail-Safe Approach for the V-22 Composite Proprotor Yoke-L.K.ALTMAN,D.J.REDDY,AND H.MOORE.131 RAH-66 Comanche Building Block Structural Qualification Program-A.DOBYNS,B.BARR,AND J.ADELMANN.140 The Effects of Marcel Defects on Composite Structural Properties-A.CAIAZZO,M.ORLET,H.McSHANE,L.STRAIT,AND C.RACHAU.158 Influence of Ply Waviness on Fatigue Life of Tapered Composite Flexbeam Laminates-.8.MURRI.188 Structural Qualification of Composite Propeller Blades Fabricated by the Resin Transfer Molding Process-s.L.SMITH,AND J.L.MATTAVI.2 i0 BOLTED JOINT ANALYSIS Three-Dimensional Stress Analysis and Failure Prediction in Filled Hole Laminates-E.v.IARVE AND D.H.MOLLENHAUER.231 Damage-Tolerance-Based Design of Bolted Composite Joints-x.QING,H.-T.SUN,L.DAGBA,AND F.-K.CHANG.243 Open Hole Compression Strength and Failure Characterization in Carbon/Epoxy Tape Laminates-rE BAU,D.M.HOYT,AND C.Q.ROUSSEAU.273 The Influence of Fastener Clearance Upon the Failure of Compression-Loaded Composite Bolted Joints-A.J.SAWlCKI and P.J.MINGUET.293 vi CONTENTS TEST METHODS Characterizing Delamination Growth in a 0 Interface-R.H.MARTIN AND C.Q.ROUSSEAU.311 New Experiments Suggest That All Shear and Some Tensile Failure Processes are Inappropriate Subjects for ASTM Standards-M.R.PIGGOTT,K.LIU,AND J.WANG.324 Effect of Friction on the Perceived Mode II Delamination Toughness from Three-and Four-Point Bend End-Notched Flexure Tests-c.SCHUECKER AND B.D.DAVIDSON.334 Finite-Element Analysis of Delamination Growth in a Multidirectional Composite ENF Specimen-M.KONIG,R.KRUGER,AND S.RINDERKNECHT.345 Comparison of Designs of CFRP-Sandwich T-Joints for Surface-Effect Ships Based on Acoustic Emission Analysis from Load TestS-ANDREAS J.BRUNNER AND